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- I have used several urban stormwater models and have found PCSWMM to have the best interface of them all. Support has been excellent.
  - C.J., Knoxville, TN, USA
  
  Bill was very knowledgeable with inner aspects of the course. He answers questions very well.
  - R.M., Coraopolis, PA, USA
  
  Excellent course!
  - F.L., Toronto, ON, Canada
  
  I have tested most of the features of PCSWMM 2009 professional and I am totally convinced by this software.
  - T.H., Fribourg, Lausanne, Switzerland

Our Clients

Computational Hydraulics Int. is proud to serve the US, Canadian and International engineering community in our mission to bring about better environmental planning, design, construction and management of urban drainage systems, through developing, distributing and supporting the best possible modeling software.

With clients ranging from the largest cities, multi-national corporations and engineering consulting firms to government agencies and authorities, to universities, to local consultants, we provide software and services to thousands of clients in over 50 countries and on every continent.

The following is a sampling of our clients, listed alphabetically by country. Many of these firms have multiple offices and many PCSWMM users operating under Enterprise licenses.

Client	Country
université de Batna	Algeria
Agrupacion de Colaboracion	Argentina
INA (Water National Institute)	Argentina
Invest. en Hidrologica Urbana	Argentina
Municipalidad d. Chubut	Argentina
TSJ Sociedad Anonima	Argentina
Anstad Pty Ltd	Australia
BC Tonkin & Assocs	Australia
Bechtel Corporation	Australia
Bornhorst & Ward Pty Ltd.	Australia
C.R.Ctr Catchment Hydrology	Australia
CSIRO	Australia
ENV Australia	Australia
Federal Airports Corp.	Australia
Griffith University	Australia
Jim Davies & Associates Pty Ltd.	Australia
Ken Potter Consulting	Australia
Melbourne University	Australia
Monash University	Australia
Northrop Engineers	Australia
QUT, School of Civil Engineering	Australia
Robinson GRC Consulting	Australia
Shellharbour City Council	Australia
Sinclair Knight Merz	Australia
Univ. of Eng'g & Technology	Australia
University of Melbourne	Australia
University of New South Wales	Australia
University of Queensland	Australia
University of South Australia	Australia
University of Western Sydney	Australia
URS Australia Pty Ltd	Australia
WBM Oceanics Australia, Water Qual	Australia
Willing and Partners	Australia
WP Brown and Partners Pty Ltd.	Australia
DonauConsult Zottl & Erber ZT-GmbH	Austria
Geological Survey of Austria	Austria
Hydroconsult	Austria
Inst for Environment & Devt Studies	Bangladesh
AQUAFIN NV	Belgium
Katholieke Univ. Leuven	Belgium
Vrije Universiteit Brussel	Belgium
Debswana Diamond Company	Botswana
Av. Visconde de Guarapuava, 45	Brazil
EEUFMG-EHR	Brazil
Env. Sanitation Co of CAESB	Brazil
IPEA, Av. Feliciano Coelho 1509	Brazil
IPH - Federal Univ. of R.G. DO SUL	Brazil
Universidade Federal de Santa Maria	Brazil
CRUDEP	Cameroon
AGRA(now AMEC-but thisperson.gone)	Canada
397 Stratton Way SE	Canada
A.J. Clarke & Assoc. Ltd.	Canada
A.M. Candaras Associates Inc.	Canada
ABL Environmental Consultants	Canada
Acqua Engineering Inc.	Canada
ADI Limited	Canada
AGRA	Canada
Ainley Group	Canada
Al Underhill & Assocs.	Canada
Alberta Environmental Prot'n	Canada
AMEC	Canada
AMEC Earth & Environmental	Canada
AMEC Industrial	Canada
AMEC Infrastructure	Canada
AMEC Oil Sands and Mining	Canada
Angus Mackenzie	Canada
Aplin & Martin Consultants	Canada
Aquae ELB	Canada
Aquafor Beech Engineering Ltd.	Canada
Aquapraxis inc.	Canada
AquaResource Inc.	Canada
Aqua-Tex Scientific Consult Ltd.	Canada
Archibald Gray & McKay Engineering	Canada
Arrondissement Saint-Laurent	Canada
Asseau Inc.	Canada
Associated Engineering	Canada
Ausable Bayfield Cons. Auth.	Canada
AWS Engineers & Planners Corp.	Canada
AXOR Experts-Conseils Inc.	Canada
Baird and Associates	Canada
Bal-Comp Engineering Ltd.	Canada
Barker Terp Gibson Limited	Canada
Barry Consulting	Canada
Beasy Nicoll Engineering	Canada
Beauchemin-Beaton-LaPointe	Canada
Bechtel Quebec Ltd.	Canada
Belmont Rose Granite Corp.	Canada
Bow River Basin Water Council	Canada
BPR	Canada
Braun Consulting Engineers	Canada
Bromley Engineering Ltd.	Canada
BSEI	Canada
Burnside Development Services	Canada
C. D. G. Inc.	Canada
C.C. Tatham & Associates	Canada
C.F. Crozier & Associates Inc.	Canada
Cambridge Eng'g & Planning Consult.	Canada
Canadian Hydraulics Ctr.	Canada
Carleton University	Canada
Cataraqui Region Cons. Auth.	Canada
CBCL Limited	Canada
CCIW	Canada
CCL/IBI Group	Canada
Cegertec	Canada
Central L. Ontario Cons. Auth.	Canada
CEP Forensic Consulting	Canada
CH2M HILL	Canada
CIMA+	Canada
CitiWest Consulting Ltd.	Canada
City of Barrie	Canada
City of Brampton	Canada
City of Brandon	Canada
City of Burlington	Canada
City of Calgary	Canada
City of Coquitlam	Canada
City of Cornwall	Canada
City of Edmonton	Canada
City of Gloucester	Canada
City of Grande Prairie	Canada
City of Greater Sudbury	Canada
City of Guelph	Canada
City of Hamilton	Canada
City of Hull	Canada
City of Kelowna	Canada
City of Kingston	Canada
City of Kitchener	Canada
City of Laval	Canada
City of Leduc	Canada
City of Lethbridge	Canada
City of London	Canada
City of Mississauga	Canada
City of Moncton	Canada
City of Nepean	Canada
City of Niagara Falls	Canada
City of Oshawa	Canada
City of Ottawa	Canada
City of Peterborough	Canada
City of Regina	Canada
City of Saint John	Canada
City of Saskatoon	Canada
City of St Albert	Canada
City of St. Albert	Canada
City of St. Catharines	Canada
City of St. John's	Canada
City of Stratford	Canada
City of Sudbury	Canada
City of Surrey	Canada
City of Thunder Bay	Canada
City of Toronto	Canada
City of Vaughan	Canada
City of Waterloo	Canada
City of Welland	Canada
City of Windsor	Canada
City of Winnipeg	Canada
City of York	Canada
Civiltech Consultants, Ltd.	Canada
CLA Experts Conseils	Canada
Clarifica	Canada
Clifton Associates	Canada
Clipsham Limited	Canada
Cochrane Engineering Ltd.	Canada
Cole Engineering	Canada
Coles Associates Ltd.	Canada
Comeau Experts-Conseils	Canada
Conestoga-Rovers & Associates	Canada
Conservation Halton	Canada
Consultants Jobin Courtemanche	Canada
Consultants MESAR Inc.	Canada
Consultants VFP inc.	Canada
Consulting Engineer	Canada
Cornerstone Engineering	Canada
Counterpoint Engineering	Canada
Credit Valley Conservation	Canada
CTM Design Services Ltd.	Canada
CTQ Consultants Ltd.	Canada
Curtis Environmental Engineering	Canada
Cyril J. Demeyere Limited	Canada
D. Greenfield Associates Ltd.	Canada
D.A. Watt Consulting Gp. Ltd.	Canada
D.M. Wills Associates Ltd.	Canada
D.S. -Lea Consultants Ltd.	Canada
D.Z.Y. Drafting and Design Services	Canada
DalTech	Canada
David H Willis and Associates Ltd	Canada
Dayton & Knight Ltd.	Canada
DCL Siemens Engineering Ltd	Canada
Delcan Corporation	Canada
Dennis Consultants	Canada
Descon Engineering	Canada
Dessau	Canada
Development Engineering	Canada
DFO	Canada
DHI Water & Environment	Canada
Dillon Consulting limited	Canada
District of Maple Ridge	Canada
DME	Canada
Donald G. Weatherbe Ass. Inc.	Canada
Durrance Projects Ltd.	Canada
Dytron International Inc.	Canada
Earth Tech Canada Inc.	Canada
EBA Engineering Consultants Ltd	Canada
Eclipse Geomatics and Eng'rg	Canada
École Polytechnique de Montréal	Canada
Ecole Technologie Sup.	Canada
Ecoplans	Canada
Ecosystem Health Division	Canada
EDM	Canada
Egmond Geospheric Assocs. Ltd.	Canada
Engineering Northwest	Canada
EnvHydro Canada Inc.	Canada
EnviroHydro Ltd.	Canada
Environment & Hydrology Corp.	Canada
Environment Canada	Canada
Environmental Consultant	Canada
Environmental Entrepreneur Studies	Canada
Env'tal Water Resources Group	Canada
Essex Region Conservation Authority	Canada
EWRG Ltd.	Canada
EXH Engineering Services Ltd.	Canada
Fenco Shawinigan Eng. Ltd.	Canada
Filiatrault McNeil & Assocs. Inc.	Canada
Fitzner Consulting Ltd.	Canada
Focus Corporation	Canada
Franz Environmental Inc.	Canada
Freshwater Research	Canada
Fugro Airborne Surveys Corp	Canada
Gamsby & Mannerow Ltd.	Canada
Gartner Lee Limited	Canada
Genie-Info-Texte	Canada
Genio Experts-Conseils	Canada
Génipur	Canada
Genivar	Canada
Geomatic Int'l Tech. Inc	Canada
Geomorphic Solutions (Sernas)	Canada
Gestion de l'eau - Projet mise à ni	Canada
Ghafari & Associates	Canada
Gifco Engineering Ltd.	Canada
Giffels Associates Ltd.	Canada
Glen Newton Engineering	Canada
Glos Engineering Ltd.	Canada
Golder Associates	Canada
GPEC Consulting Ltd.	Canada
Grand River Conservation Auth.	Canada
Greater Toronto A. A.	Canada
Greater Vancouver Regional Dist	Canada
Greck and Associates	Canada
Greenland Engineering	Canada
Groupe Conseil Saguenay	Canada
Groupe Conseil SID inc.	Canada
Groupe Seguin	Canada
Groupe SM Inc.	Canada
Groupe Sohier	Canada
GTAA, Pearson Int'l Airport	Canada
Gunnell Engineering	Canada
GWN Systems Inc.	Canada
H.Y. Engineering Ltd.	Canada
H2O Logics Inc.	Canada
Haddad Morgan & Associates	Canada
Halifax Water	Canada
Hamilton Reg. Conservaton Auth	Canada
Hasanuddin University	Canada
Hatch	Canada
Hatch Energy	Canada
Hatch Mott MacDonald Ltd	Canada
HCCL	Canada
Health Canada	Canada
HEATH Consultants	Canada
Henderson Paddon & Assocs. Ltd.	Canada
Higgins Engineering Ltd	Canada
Highland Engineering Services Ltd.	Canada
Highway Design Engineer	Canada
Hunter & Associates	Canada
Hunter Laird Engineering Ltd.	Canada
Hydro-Com Technologies Ltd.	Canada
Hydromantis, Inc.	Canada
I.D. Group Inc.	Canada
IBI Group	Canada
Imbrium Systems	Canada
IMS Experts-Conseils	Canada
Infrastructure Systems Ltd.	Canada
INRS-EAU	Canada
Institut National de Recherche Sc.	Canada
Interactive Engineering	Canada
InterCAD Services Ltd	Canada
ISL	Canada
J & B Engineering	Canada
J.F. Sabourin & Associates	Canada
J.H. Cohoon Eng., Limited	Canada
J.L. Richards & Assocs.	Canada
J.R. Cousin Consultants Ltd.	Canada
Jacques Whitford	Canada
JMC Engineering Ltd.	Canada
Johnson Engineering Consultants	Canada
Jones Consulting Gp Ltd.	Canada
JSW and Associates	Canada
Jubilee Engineering	Canada
K. Smart Associates Limited	Canada
Kellam Berg Engineering and Service	Canada
Kerr Wood Leidal Assocs Ltd	Canada
KGS Group	Canada
Kije Sipi Ltd.	Canada
Kleinfeldt Consultants Ltd.	Canada
Klohn Crippen Berger Ltd.	Canada
KMK Consultants Ltd.	Canada
Koers & Associates Engineering	Canada
Komex International Ltd.	Canada
Kresin Engineering Corporation	Canada
KWH Pipe (Canada Ltd).	Canada
L & M Engineering Ltd.	Canada
L. Simcoe Region Cons. Auth.	Canada
Land-pro Engineering Consult.Inc.	Canada
LaSalle Consulting Group Inc.	Canada
Laurentian University	Canada
LBHA	Canada
Le Groupe Genitique	Canada
Le Groupe S.M. International Inc.	Canada
Le Groupe-Conseil Genipur	Canada
Lea Consulting Ltd.	Canada
Leep Engineering	Canada
Les consultants Gemec	Canada
Les Consultants LBCD Inc.	Canada
Les Consultants SM inc.	Canada
Levac, Robichaud, Leclerc	Canada
L'Universite de Sherbrook	Canada
Lynx North Engineering Inc.	Canada
Mackichan Engineering	Canada
Macogep Inc.	Canada
MacViro Genivar	Canada
Manhard Consulting Ltd.	Canada
Martin Geomatic Consultants	Canada
MBTW	Canada
McCormick Rankin & Ass. Ltd.	Canada
McElhanney Consulting Services Ltd.	Canada
McGill University	Canada
McIntosh Perry Cons. Engineers	Canada
McIntosh Perry Consulting Eng.	Canada
McMaster University	Canada
MDA Consulting	Canada
Meadowbrook Land Development Inc.	Canada
Memorial University	Canada
Meo & Associates Inc.	Canada
Metro Planning and Engineering	Canada
MIG Engineering Ltd.	Canada
Min. of Government Services	Canada
Min. of Transportation	Canada
Ministry of Environment	Canada
Ministry of the Environment	Canada
Mississippi Valley Cons. Auth.	Canada
MLC Associes	Canada
MMM Group	Canada
MMM/BEL-MK Engineering Ltd.	Canada
MOELP	Canada
Monteco Research & Development Ctr	Canada
Morrison Hershfield	Canada
MPE Engineering Ltd.	Canada
MTE Consultants Inc.	Canada
MUC	Canada
Municipalilty of Wood Buffalo	Canada
Municipality of Leamington	Canada
N D Lea Consultants Ltd.	Canada
Nacev Consultants	Canada
Nat. Lab for Env. Test	Canada
National Research Council	Canada
National Water Research Inst.	Canada
Natural Resources Canada	Canada
ND LEA Inc.	Canada
Neill and Gunter (Nova Scotia) Ltd	Canada
New City of Hamilton, Water Quality	Canada
Nfld & Labrador Dept of Env't	Canada
Niagara College	Canada
Noram Experts-Conseils	Canada
Northland Engineering	Canada
Northwest Hydraulic Consultants	Canada
Nottawasaga Valley Cons. Auth.	Canada
Novatech Engineering	Canada
NRC Canadian Hydraulics Ctr	Canada
O Connor Associates	Canada
O Halloran Campbell Consultants Ltd	Canada
O.M.A.F.R.A. Alfred College	Canada
Odan Detec Group Inc.	Canada
Okanagan Univ. College, WQT Dept	Canada
Omni Engineering Inc	Canada
Ontario Hydro	Canada
Operational Solutions Ltd.	Canada
Otonabee Conservation	Canada
Paragon Engineering Limited	Canada
Pellemon Inc.	Canada
Philips Engineering Ltd.	Canada
Pinestone Engineering Ltd.	Canada
Pitura Husson Limited	Canada
Planning and Eng'g Initiatives Ltd.	Canada
Pluritec Ltee	Canada
Progressive Engineering	Canada
Progressive Engineering Servs	Canada
Quartek Group Inc.	Canada
Queens University	Canada
Quinte Conservation Assoc.	Canada
R. J. Burnside & Associates	Canada
R.A.N.D. Engineering	Canada
R.D. Lewis & Assoc. Ltd.	Canada
R.D. Zande & Associates	Canada
R.E. Clipsham Limited	Canada
R.E. Winter & Associates Ltd.	Canada
R.F. Binnie & Associates, Inc.	Canada
R.J. Burnside & Assocs Ltd	Canada
R.M.C.	Canada
R.V. Anderson Associates Ltd.	Canada
Red River Comm.Coll, Engin'g	Canada
Region of Peel	Canada
Regional Municipality of Niagara	Canada
Regional Municipality of Sudbury	Canada
Regional Municipality of Waterloo	Canada
Regional Municipality of York	Canada
Regional Municipality of Ottawa-Carleton	Canada
Reid & Associates Ltd.	Canada
Reinders and Assocs (Barrie) Ltd.	Canada
Richardson Foster Ltd.	Canada
Rivendell Consultants	Canada
Robert Martin Engineering, Inc.	Canada
Robinson Consultants Inc.	Canada
Roche limitée	Canada
Roche ltee	Canada
Roerig & HSU Limited	Canada
Roxboro Excavation inc.	Canada
Ryerson University	Canada
S. Graham Engineering & Geology Inc	Canada
S.A. Kirchhefer Limited	Canada
Sabatini Earth Technologies	Canada
Sameng Inc.	Canada
Sanchez Engineering Inc.	Canada
Sandwell	Canada
Sask Water	Canada
Sask. Env. & Resource Mngt.	Canada
Schaeffer & Associates Ltd	Canada
Scheffer Andrew Ltd.	Canada
SCL Engineering Inc.	Canada
SEG Engineering	Canada
Seneca College	Canada
Senes Consultants	Canada
Sernas Group	Canada
Servant,Dunbrack McKenzie MacDonald	Canada
Setchell & McKinnon Ltd.	Canada
Sigma Associates	Canada
Simcoe Engineering Group Ltd.	Canada
Sir Wilfred Grenfell College	Canada
Skelton, Brumwell and Associates	Canada
Skira and Associates Limited	Canada
SNC Lavalin Inc.	Canada
Solmers Inc.	Canada
South Nation Conservation	Canada
Stantec Consulting Ltd.	Canada
Stevenson Engineering Ltd.	Canada
Stewart, Weir & Co. Ltd.	Canada
Stidwill Associates Inc.	Canada
St-Laurent, Systemes-Dir (2270)	Canada
Strathcona County	Canada
Sutcliffe Rody Quesnel Inc.	Canada
Syncrude Canada	Canada
Synexus Global	Canada
Tecsult inc.	Canada
Tecsult, Inc.	Canada
Teknika HBA	Canada
Terrain Group Inc.	Canada
The Focus Corporation Ltd.	Canada
The Stanley Group	Canada
The Thompson Rosemount Gp. Inc.	Canada
The Walter Fedy Partnership	Canada
Thorburn Penny Limited	Canada
Todgham & Case Assocs Inc.	Canada
Toronto & Region Conservation Auth	Canada
Toronto and Region Conservation	Canada
Torus Engineering Consultants	Canada
Totten Sims Hubicki Ltd	Canada
Town of Ajax, Engineering	Canada
Town of Cochrane	Canada
Town of Fort Erie	Canada
Town of Markham	Canada
Town of Milton, Engineering	Canada
Town of Neepawa, Eng'g	Canada
Town of Oakville	Canada
Town of Richmond Hill	Canada
Town of Whitby	Canada
TRIAX	Canada
Triton Engineering	Canada
Trojan Technologies	Canada
Trow Associates Inc.	Canada
Trudell Engineering Inc.	Canada
True Grit Consulting Ltd	Canada
TSH Engineers	Canada
TTC, Engineering Dept.	Canada
Tulloch Engineering	Canada
U Mac Engineering	Canada
UMA Engineering Ltd.	Canada
University of Alberta	Canada
University of Alberta	Canada
University of British Columbia	Canada
University of Calgary	Canada
University of Guelph	Canada
University of Manitoba	Canada
University of Ottawa	Canada
University of Regina	Canada
University of Toronto	Canada
University of Waterloo	Canada
University of Western Ontario	Canada
Upper Canada Consultants	Canada
Upper Thames R. Cons. Auth	Canada
Urban Systems Ltd.	Canada
URS Canada Inc.	Canada
Utilities Kingston	Canada
UWO	Canada
V.A.Piscione and Assoc. Inc.	Canada
Valdor Engineering Inc.	Canada
Vallee Lefebvre et Associes	Canada
Ville de Gatineau	Canada
Ville de Granby	Canada
Ville de Joliette	Canada
Ville de Laval	Canada
Ville de Longueuil	Canada
Ville de Mercier, Engineering	Canada
Ville de Montréal	Canada
Ville de Pointe-Claire, Ingenierie	Canada
Ville de Riviere-du-Loup	Canada
Ville de Saint-Constant	Canada
Ville de Sainte-Thérèse	Canada
Ville de Saint-Hubert	Canada
Ville de Saint-Hyacinthe	Canada
Ville de Salaberry-de-Valleyfield	Canada
Ville de St. Constant	Canada
Ville de Trois Rivieres	Canada
Ville de Valleyfield	Canada
Ville de Vaudreuil-Dorion	Canada
Ville de Verdun	Canada
Ville de Victoriaville	Canada
Vortechnics, Inc.	Canada
Walter Brown Assocs.	Canada
Wardrop Engineering	Canada
Wastewater Technology Centre	Canada
Water & Earth Science	Canada
Water & Earth Science Ass. Ltd	Canada
Water Resources & Env'tal Engineerg	Canada
Waterloo Hydrogeologic	Canada
Webster Engineering	Canada
Wedler Engineering LLP	Canada
WESA	Canada
Weslake Inc.	Canada
Westhoff Engineering Res. Inc.	Canada
Westmar Consultants Inc.	Canada
Wiebe Engineering Group Inc.	Canada
Wisner Hydrology Consulting	Canada
Worley Parsons Komex	Canada
WorleyParsons Komex	Canada
XCG Consultants	Canada
York Region	Canada
Youngs Consultants	Canada
Zoltan Engineering Inc.	Canada
ArzRecine Ingenieros Asociados	Chile
INGELOG S.A.	Chile
Pontificia Univ. Católica de Chile	Chile
Institute of Water Resources and En	China
Shanghai Jusheng Engineering	China
Tianjin University	China
tongji	china
Tsinghua University	China
Yangzhou University	China
Zhejiang University	China
Agua y Naturaleza Ingenierìa Civil	Colombia
HIDROESTUDIOS S.A.	Colombia
HIDROING	Colombia
Quantum Ingenieria	Colombia
Univ. del Norte, Div. Ingenierias	Colombia
Universidad de los Andes	Colombia
Municipalidad de San José	Costa Rica
Faculty of Civil Engineering-Zagreb	Croatia
HIDROING	Croatia
Aquion s.r.o.	Czech Republic
Czech Technical University Prague	Czech Republic
HYDROINFORM, a.s.	Czech Republic
JIMAZ s.r.o.	Czech Republic
K183-Lermo, CTU - Civil Engineering	Czech Republic
Vodohospodarsky podnik s.r.o.	Czech Republic
Vodovody a kanalizace Chrudim a.s.	Czech Republic
CAMINOSCA CIA LTDA	Ecuador
ConsultPiedra Cia Ltda	Ecuador
Ain Shams University	Egypt
Cairo University	Egypt
CBCC	Egypt
The Nile Research Institute	Egypt
American School of El Salvador	El Salvador
GOC, S.A.	España
VIELCA INGENIEROS, S.A.	España
Finnish Environmental Institut	Finland
CIRAD-CA	France
Geodia	France
Lille University	France
Lyonnaise des Eaux	France
SEGC Soncier	France
Student Ecole Centrale Paris	France
Islamic University of Gaza	Gaza
Barthauer Software GmbH	Germany
Hydrotec	Germany
Ingenieurbuero	Germany
Ingenieurgesellchaft	Germany
Municipality	Germany
MVV Consulting GmbH	Germany
Tech. University of Darmstadt	Germany
Tech. University of Dresden	Germany
Universitat Hannover	Germany
Universitat Karlsruhe	Germany
University of Kaiserslautern	Germany
University of Stuttgart	Germany
Aristotle Univ. of Thessaloniki	Greece
D.E.Y.A.P. Water & Sewage of Patras	Greece
Democritos University of Thrace	Greece
MP and Associates	Greece
Sinhroni Epikoinwnia Ltd.	Greece
Sybilla Ltd.	Greece
C. Lotti & Associati SpA	Honduras
C.E.S.	Hong Kong
Chung and Ng Consulting Eng. Ltd.	Hong Kong
Environmental Protection Dept	Hong Kong
University of Hong Kong	Hong Kong
Nat.and Univ. Library of Iceland	Iceland
Vatnaskil Consulting Engineers	Iceland
Aqua Control Technology Pvt Ltd.	India
Bhavnager University, Ecology	India
Cochin University, Marine Sciences	India
Cotton College	india
Hiranandini Construction	India
Indian Institute of Technology	India
KMDA	India
LASA, INDIA	INDIA
NEERI, Environmtal Impact Div.	India
Primove Consultants	India
PWD Public Health Dept, Haryana	India
Bandung Institute of Technology	Indonesia
HMS - ITB	Indonesia
PT Harrisma Buana Jaya	Indonesia
Research Ctr for Water Resources	Indonesia
State University of Malang	Indonesia
Fedowsi Univ. of Mashhad, Engg Lib	Iran
Kanosh-pay Consulting Engr	Iran
Tabriz University	Iran
Tehran University	Iran
University of Salahaddin	Iraq
EMS - Mekoroth	Israel
Technion	Israel
AICOM srl	Italy
Anselmo associati	Italy
celdes s.r.l.	Italy
DEA Booksellers	Italy
DEA ROMA	Italy
DEK s.r.l.	Italy
Dragica Milicevic	Italy
H.S. SRI	Italy
HERA S.p.A.	Italy
Idrostudi s.r.l.	Italy
Ing. Antonio Pasian	Italy
ITALCONSULT SPA	Italy
Olivier ing. Maurizio	Italy
Seconda Università di Napoli	Italy
SGM consulting S.r.l.	Italy
Studio de Ingegn. Ferrari e Giraudo	Italy
Studio Moglia	Italy
Studio Pezzagno	Italy
Univ. d. Calabria, Difesa d. Suolo	Italy
Univ. d. Studi di Napoli FedericoII	Italy
Univ. del Sannio, Dip Ingegneria	Italy
Univ. di Palermo, Ing. Idraulica	Italy
Univ. di Trieste, Ingegn. Civile	Italy
Univ. of Ferrara, Dipt Architettura	Italy
Univ. of Pisa, Ingegneria Edile	Italy
Univ.of Modena and Reggio Emilia	Italy
Universita degli Studi di Breschia	Italy
Universita' di Bologna,	Italy
Università di Cagliati	Italy
Universita di Palermo	Italy
Universita di Parma	Italy
university	Italy
Denryoku Computing Center Ltd.	Japan
Japan Inst. Wastewater Eng'g Tech.	Japan
Kobe University, Civil Engineering	Japan
Osaka Oviss Incorporated	Japan
Pacific Consultants Co. Ltd.	Japan
Tokyo Metropolitan University	Japan
Water Environment Group Public Work	Japan
Maristeds	Kenya
Chungbuk National University	Korea
University of Prishtina Kosovo	Kosovo
Kuwait University	Kuwait
Ministry of Public Works	Kuwait
Ireland Aid	Lesotho
H67 Lorong Seroja 3	Malaysia
k.s.engineering consultant	Malaysia
Perunding Prima	Malaysia
Ramgate Systems SDN BHD	Malaysia
Rho-1 Consultants Sdn. Bhd.	Malaysia
RPM Engineers Sdn Bhd	Malaysia
Scott Wilson Sdn Bhd	Malaysia
TNB Research Sdn. Bhd.	Malaysia
Hidrosystem	Mexico
Instituto De Ingenieria	Mexico
Mexican Inst. of Water Technology	Mexico
TECNOLOGIA Y SISTEMAS, SA	Mexico
Univ. Autonoma de Zacatecas	Mexico
Seal Consulting Engineers	Namibia
Windhoek Cons. Engineers	Namibia
Madhyapur-Thimi Municipality	Nepal
Tribhuvan University	Nepal
Auckland Regional Council	New Zealand
e2solutions ltd	New Zealand
Hydrosystems Consulting Services	New Zealand
Landcare Research	New Zealand
Matamata Piako District Council	New Zealand
NIWA	New Zealand
Robertson Ryder Ltd.	New Zealand
University of Auckland	New Zealand
Nat. Water Resources Council	Nigeria
Avlopssambandet Nordre Oyeren	Norway
INFRATECH AS	NORWAY
Interconsult ASA	Norway
NVE	Norway
SINTEF	Norway
SWECO GRØNER	Norway
Hydronet 5th Floor	Philippines
Poznan University Technology	Poland
WIT, Env. Engineering Systems	Poland
Nat. Laboratory - Civil Engineering	Portugal
University of Puerto Rico	Puerto Rico
ITALCONSULT - QATAR BRANCH	Qatar
NCKU	Republic of China
NTUT	Republic of China
Sinotech Engineering Consultants	Republic of China
ALLPLAN PROIECT	Romania
Klunene Consulting	RSA
Ninham Shand	RSA
Russian Academy of Sciences	Russia
Webolus Co. Ltd.	S. Korea
King Abdulaziz Univ., Civil Eng'g	Saudi Arabia
King Fahd Univ. Petrol & Minerals	Saudi Arabia
Consulting Engineers	Serbia and Montenegr
Murray North SEA Pte Ltd	Singapore
Nanyang Technologial University	Singapore
Nat. University of Singapore	Singapore
Inst. Sanitary Engineering, UNI-LJ	Slovenia
AquaData sp	Slovenija
Abbott Grobicki (Pty) Ltd.	South Africa
Afri-Coast Engineers SA (Pty)	South Africa
Africon Engineering Int. (Pty) Ltd	South Africa
Alastair Fraser Prof Engineer	South Africa
Anathi/Ingerop Africa	South Africa
Arcus Gibb	South Africa
Arup	South Africa
Asch Consulting	South Africa
Avon Engineers (Pty) Ltd.	South Africa
BCP Engineers	South Africa
Beosumbar and Associates	South Africa
Bergman Ingerop	South Africa
Bergstan South Africa	South Africa
BJFC Consulting Engrs.	South Africa
BKS (Pty) Ltd.	South Africa
Booz, Ellen & Hamilton	South Africa
CBA Specialist Engineers	South Africa
CBI Consulting Engineers	South Africa
City of Cape Town	South Africa
CIVtech Consultants cc	South Africa
CMC	South Africa
Croswell Engineers	South Africa
CSIR	South Africa
De Villers Sheard	South Africa
Dept of Water Affairs & Forestry	South Africa
Durban	South Africa
DWAF	South Africa
Dynacon Technologies	South Africa
Eastern Cape Technikon	South Africa
Eastern Gauteng Services Council	South Africa
Erwat	South Africa
eThekwini Municipality	South Africa
FST Consulting Engineers	South Africa
GFC Holdings	South Africa
Goba (Pty) Ltd.	South Africa
Golder Associates Africa (Pty) Ltd	South Africa
Hatch	South Africa
HHO Africa Infrastructure Engineers	South Africa
Hydrosim	South Africa
ICE (Tygerberg)	South Africa
Iliso Consulting	South Africa
Jeffares & Green (Pty) Ltd.	South Africa
Johannesburg Roads Agency	South Africa
Jones & Wagener	South Africa
Kantey & Templer (Pty) Ltd.	South Africa
Kayad Consulting Eng (Pty) Ltd	South Africa
KFD Wilkinson	South Africa
Knowledge Base	South Africa
Kwezi V3 Engineers	South Africa
Liebenberg and Stander	South Africa
Mangaung Local Municipality	South Africa
MAP Africa Consulting	South Africa
Matrix Consulting Engineers	South Africa
MAXPLAN	South Africa
McGill Consulting	South Africa
MPA Kwa Zulu Natal Region	South Africa
MSc Student at UCT	South Africa
Ninham Shand	South Africa
NMM University	South Africa
North/South Central Local Council	South Africa
Northern Environmental	South Africa
Orrie, Welby-Solomon and Ass	South Africa
PBA International	South Africa
Project Development Consultants	South Africa
Protekon	South Africa
Rand Afrikaans University	South Africa
Scip Eng. Group (Pty) Ltd.	South Africa
SiVEST S.A. (Pty) Ltd.	South Africa
South Peninsula Mun.	South Africa
SRK Consulting	South Africa
Stemele Bosch Africa	South Africa
Stewart Scott	South Africa
Technikon Northern Gauteng	South Africa
UCT student	South Africa
Univ. of Stellenbosch	South Africa
University of Cape Town	South Africa
University of Pretoria	South Africa
University of the Witwatersrand	South Africa
UWP Consulting	South Africa
V&V Consulting Engineers	South Africa
V3 Consulting Engineers	South Africa
Vela VKE Consulting Engineers	South Africa
VKE Engineers	South Africa
Vusi Mazibuko & Associates	South Africa
Water Meiring & Barnard	South Africa
Watermark Engineering Cons.	South Africa
Wouter Engelbrecht (Pty) Ltd.	South Africa
WSP Consulting Engineers SA (Pty)	South Africa
WSP SA Civil & Structural Eng	South Africa
ZAI Consultants	South Africa
Chamsol Eng.	South Korea
Chungbuk National University	South Korea
DATAPCS	South Korea
ECL Eng'g, 502-105 Shindongah Apt	South Korea
Ematrix Co. Ltd	South Korea
Ewha Women university	South Korea
Hansung Dev. Corp. Dpt. Env. Bus.	South Korea
Hanyang University	South Korea
Inje University	South Korea
James Trading Co. Ltd	South Korea
Kumoh National Institute of Technol	South Korea
Kyonggi University	South Korea
Kyung-hee University	South Korea
Kyungpook National University	South Korea
Pukyong National University	South Korea
Pusam Nat. University	South Korea
Saman Engineering Co. Ltd.	South Korea
Samyoung Engineering Consultanta Co	South Korea
Seoul College	South Korea
Seoul National University	South Korea
AIP ( Actuaciones de Ingeneria Y P	Spain
Alvarez Ingenieros, S.L.	Spain
APIA XXI S.A.	Spain
Corsan	Spain
E.T.S. Ing. Caminos	Spain
GOC S.A.	Spain
PRODITEC, S.A.	Spain
Soc. General de Aguas, Aguadora	Spain
Taller de Ingenierias, S.A.	Spain
Univ. de Cantabria	Spain
Univ. of Barcelona, Engineering	Spain
Universidad de la Coruna	Spain
Universidad Politecnica de Valencia	Spain
Vielca Ingenieros SA	Spain
Sultan Qaboos University	Sultanate of Oman
Billon Consulting Engineers	Swaziland
KTH, Water Resources Engineering	Sweden
Lunds Universiteit	Sweden
VAV Utveckling & Service	Sweden
VBB VIAK	Sweden
Banziger, Koppel & Partner	Switzerland
Bernard Schenk S.A. Ingenieurs	Switzerland
Biner et Nicole S.A.	Switzerland
Bonnard & Gardel	Switzerland
Bovard & Nickl S.A.	Switzerland
Bur. d'Ingenieurs Jaquier-Pointet	Switzerland
CERT SA	Switzerland
Comm. de Monthey, Travaux Publics	Switzerland
CSD Ingénieurs Conseils SA	Switzerland
Daenzer Telleu Pecoud SA	Switzerland
EAWAG	Switzerland
EPFL - Genie Rural	Switzerland
Ernst Fuchs	Switzerland
ETH - Siedlungswasserwirtschaft	Switzerland
Flury Ingenieurunternehmung AG	Switzerland
GEP Data Consulting	Switzerland
Gestion des Eaux & Déchets - GED SA	Switzerland
Herter & Wiesmann SA	Switzerland
IB Grombach & Co. Ltd	Switzerland
Jaquier Pointet SA	Switzerland
Mauler SA	Switzerland
North and Perret SA	Switzerland
Perreten & Milleret SA	Switzerland
Ribi S.A. Ingenieurs	Switzerland
RWB Ltd.	Switzerland
TBF AG, Consulting Engineers	Switzerland
Blossom Engineering Consultants Ltd	Taiwan
CEIC	Taiwan
Central Engineering Cons. Research	Taiwan
Feng Chia University	Taiwan
GeoIntelligence Systems Inc	Taiwan
HYTEK Engineering Consultants	Taiwan
Join Engineers Consultants	Taiwan
Kings Information Co., Ltd	Taiwan
LANDSEN Engineering Consultants	Taiwan
Moh and Associates,Inc.	Taiwan
Nat. Taipei Univ. of Technology	Taiwan
National Central Univ, Civil Eng'g	Taiwan
National Cheng Kung University	Taiwan
National Taiwan University	Taiwan
WellMeet Technology CO., LTD	Taiwan
Asian Institute of Technology	Thailand
CDM	Thailand
Metric Co., Ltd.	Thailand
TEAM Cons. Eng'g & Mangt Co. Ltd.	Thailand
The Louis Berger Group, Inc.	Thailand
TOTAL WATER Co.Lt.	Thailand
I.H.E. - Delft	The Netherlands
TU Delft	The Netherlands
E.N.I.T.	Tunisia
Dokuz Eylul University	Turkey
University of Abertay Dundee	U. K.
Geosystems	U.K.
Halcrow Group Ltd.	U.K.
Imperial College	U.K.
Middlesex University	U.K.
Montgomery Watson	U.K.
Telford Research Inst.	U.K.
University of Abertay Dundee	U.K.
University of Exeter	U.K.
University of Sheffield	U.K.
Kampala City Council	Uganda
Urban Water Systems	Uganda
ADWEA/TRANSCO	United Arab Emirates
Africon Engineering	United Arab Emirates
IRRIGARE	Uruguay
ARCADIS BBL	USA
10 Brooks Software	USA
22nd Civil Engineering Squadron	USA
3 WATERS Tech. Services	USA
3DI - LLC	USA
4Site Engineering	USA
A & W Surveying and Design	USA
ACRT Inc.	USA
Ada County Hway District	USA
ADC Engineering	USA
ADS Corporation	USA
Advanced Engineering & Env. Service	USA
AE Thames	USA
AEM Corp.	USA
AFJMc	USA
AFRAM Corporation	USA
Aguilar Engineering	USA
AIA Engineers, Ltd.	USA
Alabama Dept Environmental Protn	USA
Alameda County PWD	USA
Alameda Couunty PWD	USA
ALCOSAN	USA
Allegheny County Health Dept.	USA
Allen Nobles & Ass.	USA
Alliant Techsystems, A.B. Lab.	USA
Allstate Consultants, LLC	USA
AMEC	USA
AMEC Earth & Environmental	USA
A-N West, Inc.	USA
ANCHOR ENVIRONMENTAL	USA
Anderson & Associates	USA
Anderson Consulting Engineers, Inc.	USA
Anvil Corporation	USA
Applied Ecological Services, Inc	USA
Applied Geographic Technologies Inc	USA
Applied Science Assocs, Inc.	USA
Applied Science, Inc.	USA
Applied Technologies, Inc.	USA
Applied Technology & Mngmt, Inc	USA
Aqua Solutions Inc.	USA
Aqua Terra Consultants	USA
Aquarius Engineering	USA
Arapahoe County	USA
ARCADIS	USA
Ardaman and Associates, Inc.	USA
Argonne National Lab	USA
Arlington County Government	USA
Arlington County PWD	USA
Armentrout, Marbury & Assoc	USA
ASCG Incorporated	USA
AVETIN Engineering Ltd.	USA
AW Potter, Inc.	USA
Aware Engineering Inc.	USA
Ayers, Lewis, Norris and May	USA
Baker & Lawson, Inc.	USA
Banner Assoc., Inc.	USA
Barr Engineering	USA
Barrett Consulting Gp.	USA
Barton, Smith & West	USA
Baskerville-Donovan	USA
Battelle PNNL	USA
Baxter & Woodman, Inc.	USA
Bay Area Rapid Transit	USA
BCI Engineers & Scientists, Inc.	USA
BDS Technologies, Inc.	USA
BEC, Inc.	USA
Bechtel Corporation	USA
Bell Design Company	USA
Bergmann Associates	USA
Bernardin Lochmueller Assoc. Inc.	USA
Beta Group, Inc.	USA
BG Consultants Inc.	USA
Bibb County	USA
Black & Veatch	USA
Blair Church & Flynn	USA
Blevins and Bradbury, Inc.	USA
Bloom Consultants LLC	USA
BLUE: Land, Water, Infrastructure	USA
Boesch Cons. Engineers, Inc.	USA
Bohannan-Huston, Inc.	USA
Bonestroo Rosene Anderlik & Assoc.	USA
Boone County Regional Sewer	USA
Borq West Paterson, DPW	USA
Boston Water & Sewer Commission	USA
Bovay Northwest Inc.	USA
Boyle Engineering Corp.	USA
Brevard County	USA
Bridgefarmer & Associates, Inc.	USA
Broward Davis & Assoc. Inc.	USA
Brown & Caldwell	USA
Brown, Cunningham & Gannuch	USA
Buchart Horn, Inc.	USA
Bucknell University	USA
Buffalo Sewer Authority	USA
Buffalo State, SUNY	USA
Burgess & Niple	USA
Burlington Public Works	USA
Bury and Partners	USA
Cahill Associates	USA
CAICE Software Corp.	USA
Calif Reg. Water Quality Control Bd	USA
Calif. Dept. Water Resources	USA
California DEH	USA
California State University	USA
Caltrans	USA
Cameron Enterprises	USA
Carnegie Mellon University	USA
Carolina Eng.	USA
Carollo Engineers	USA
Carroll Engineering Corporation	USA
Carter and Burgess	USA
CCS Engineers Inc.	USA
CCSE	USA
CDG Engineers and Assoc.	USA
CDM	USA
CDP Engineers, Inc.	USA
Central CT State University	USA
Century West Engineering Corp.	USA
CH2M HILL	USA
Chad Berthelson & Associates	USA
Charles River Watershed Assoc.	USA
Chelapati & Associates	USA
Chem Risk	USA
Chester Engineers	USA
Chicago Dept of the Environment	USA
Choice One Engineering	USA
Christiansen and Sergi Inc	USA
Christopher B. Burke Engineering	USA
City & County of Denver	USA
City & County of San Francisco	USA
City of Alamosa	USA
City of Arlington	USA
City of Aspen	USA
City of Austin	USA
City of Baltimore	USA
City of Bellevue	USA
City of Bellingham	USA
City of Benson	USA
City of Birmingham	USA
City of Bloomington	USA
City of Chattanooga	USA
City of Chesapeake	USA
City of Chesterfield	USA
City of Cocoa Beach	USA
City of Columbus	USA
City of Concord	USA
City of Corvallis	USA
City of Cottage Grove	USA
City of Dublin	USA
City of Dubuque	USA
City of Elkhart	USA
City of Enid	USA
City of Fayetteville	USA
City of Federal Way	USA
City of Fostoria	USA
City of Great Falls	USA
City of Hamilton	USA
City of Hialeah	USA
City of High Point	USA
City of Hornell	USA
City of Huntsville	USA
City of Indianapolis	USA
City of Irving	USA
City of Jacksonville	USA
City of Kent	USA
City of Kissimmee	USA
City of Kokomo	USA
City of L.A.	USA
City of Laredo	USA
City of Lebanon	USA
City of Lewiston	USA
City of Longview	USA
City of Melrose DPW	USA
City of Middletown	USA
City of Minneapolis	USA
City of Myrtle Beach	USA
City of Newport News	USA
City of Olympia/Lott Partnership	USA
City of Palo Alto	USA
City of Phoenix	USA
City of Portland	USA
City of Redmond	USA
City of Rexburg	USA
City of S.Portland	USA
City of Sacramento	USA
City of San Diego	USA
City of Seattle	USA
City of Shaker Heights	USA
City of Sioux Falls	USA
City of Solon	USA
City of Spokane	USA
City of Springfield	USA
City of St. Petersburg	USA
City of Tacoma	USA
City of Tallahasse	USA
City of Tampa	USA
City of Toledo	USA
City of Virginia Beach	USA
City of Watertown	USA
City of Wauwatosa	USA
City of Wenatchee	USA
Civil Engineer	USA
Civil Engineering Solutions, Inc.	USA
Civil Systems Engineering, Inc.	USA
CivilTech Engineering, Inc.	USA
C-K Associates, Inc.	USA
Clackamas County	USA
Clark County	USA
Clark Dietz, Inc.	USA
Clark Engineering & Surveying, PC	USA
Clark Nexsen Architecture & Eng'g	USA
Clarksville Gas and Water Dept	USA
Clean Water Services	USA
Clear Creek Solutions	USA
Clifford Lamb & Associates	USA
Clinton R. Watershed Cncl	USA
Clough, Harbour & Assocs	USA
CMX Engineering	USA
Coastal Engineering Associates	USA
Coastal Planning and Design, Inc.	USA
Coleman Engineering, Inc.	USA
Colorado Springs Utilities	USA
Colorado State University	USA
Commonwealth Engineers Inc.	USA
Commonwealth Technology, Inc.	USA
Comprehensive Environmental Inc.	USA
Computer Scs Corp, LLRS	USA
Concord Engineering & Surveying,Inc	USA
Concurrent Technologies Corp.	USA
Consultant	USA
Consulting Engineer	USA
CONTECH CPI	USA
Cornell University	USA
Corp Engineers, Rock Island Dist.	USA
Corps Engineers,CENED-ED-WH	USA
Cosmopolitan Engineering Group	USA
Cosmos Technologies, Inc	USA
Cotton, Shires and Assocs.	USA
CRA Infrastructure & Engineering	USA
Craig A. Smith & Associates	USA
Crawford Engineering	USA
Crawford Murphy and Tilly	USA
Creegan and D'Angelo Engineers	USA
CSF Treatment Systems	USA
CT Consultants, Inc.	USA
CTE Engineers Inc.	USA
Cunningham Engineering Corp.	USA
D.A. Crupper & Assoc.	USA
Dakota County	USA
Dane County Lakes and Watershed	USA
Dane County Land Conservation	USA
Dannenbaum Engineering Corporation	USA
Dao Consultants	USA
Dave Heiner Associates	USA
David A. Hoppens Engrs	USA
David Evans & Associates	USA
Davido Consulting Group, Inc.	USA
Dawood Engineering Inc.	USA
Delaware County	USA
Delaware Dept of Transportation	USA
Delaware DNREC	USA
Delta Q Partners	USA
Detroit Water and Sewerage Dept.	USA
Dewberry & Davis	USA
DGS/Real Estate Division	USA
Divney Consulting	USA
DLZ	USA
DLZ	USA
Dodson and Associates	USA
Donahue Ideas	USA
Doucet & Mainka P.C.	USA
Dream Design International	USA
Duke University	USA
Dvirka & Bartilucce Cons.	USA
E. Baton Rouge Parish	USA
EA Engineering Science & Tech.	USA
Eagle Consultants Inc.	USA
Earth Systems Associates	USA
Earth Tech Inc.	USA
East Bay Municipal Utility Dist.	USA
East Carolina University	USA
EBASCO Services Inc.,	USA
ECI	USA
Eco-Design & Engineering, Ltd	USA
ECO-LOGIC Engineering	USA
Economic & Engineering Servs, Inc.	USA
ECT, Inc.	USA
Ed. Assistant, Civil Engineering	USA
EDI, Inc	USA
EDM	USA
Edminster, Hinshaw, Russ & Assocs	USA
Eisman & Russo, Inc	USA
El Dorado Department of Transp	USA
Elizabeth River Project, Monitoring	USA
Ellis Spake Civil Consulant	USA
EMH&T, Inc.	USA
Emmons & Olivier Resources Inc.	USA
Emmons & Olivier Resources, Inc.	USA
ENGENIOUS Systems Inc.	USA
Engineering & Environmental	USA
Engineering Enterprises, Inc.	USA
Engineering Resource Assoc., Inc.	USA
Engineering Specialities	USA
ENSR Consulting & Engineering	USA
Environmental Conservation	USA
Environmental Quality Br, Bldg 111	USA
Environmental R&D Inc.	USA
Environmental Science & Eng., Inc.	USA
Environmental Services & Permitting	USA
Environmental Services Office	USA
Environmental Tactics Inc.	USA
Envirotech Eng. & Consulting Inc.	USA
EOA, Inc.	USA
EPA	USA
Epsilon Engineering	USA
Erie County	USA
ERIM International	USA
Erler & Kalinowski, Inc.	USA
Eugene I. Estopinal & Assoc. Inc.	USA
Evans David and Assocs.	USA
EWP Engineering, Inc.	USA
Fairfax County	USA
Fay, Spofford and Thorndike	USA
Fayette Engineering	USA
Feller, Finch & Assocs. Inc.	USA
FEMA, Reg VIII	USA
Ferber Engineering Company	USA
Finkbeiner, Pettis & Strout, Inc.	USA
Flood Control Dist Maricopa Cnty	USA
Florida Dept Env'al Protection	USA
Florida Design Consultants	USA
Florida DNRP	USA
Florida Envir Serv & Permitting	USA
Florida Inst. of Technology	USA
Florida Power Corporatin	USA
Florida State University	USA
Flow Technologies	USA
Fluor Corporation	USA
FMSM Engineers Inc.	USA
Foster Wheeler Env'tal Group	USA
Franklin Consulting Associates	USA
Fuss & O'Neill Inc	USA
G. Robert George & Assocs	USA
Gabriel E. Senor PC	USA
Gannett Fleming Inc.	USA
Gee & Jenson Inc./CH2MHill	USA
Genesis Engineering	USA
Genesis Group	USA
Geodesy	USA
Geophex Ltd.	USA
George F. Young, Inc.	USA
George Miles & Buhr	USA
Geosonics	USA
Geo-Spatial Solutions, Inc.	USA
GeoSyntec Consultants	USA
GEPD, Water Protection Br.	USA
Geraghty & Miller Inc.	USA
Global Quality Corp.	USA
Goodkind and O'Dea, Inc.	USA
Graef, Anhalt, Schloemer	USA
Grand Valley State University	USA
Great Lakes Env'tal Ctr	USA
Greeley & Hansen	USA
Greenhorne & O'Mara	USA
Greenman-Pederson, Inc.	USA
Gregory L. Morris & Assocs.	USA
Gremmer & Associates, Inc	USA
Group Mackenzie	USA
GRS Systems, Inc.	USA
GZA GeoEnvironmental Inc.	USA
H2O Engineering	USA
HA -m Corporation	USA
Haas & Assoc	USA
Halcrow, Inc.	USA
Halff Associates, Inc.	USA
Haozous Engineering P.S.	USA
Harding Lawson Associates	USA
Harris Gerald B. Jnr & Assocs	USA
Harris-McMonagle Assoc.	USA
Hart Crowser	USA
Hartman Engineering, Inc.	USA
Harza Engineering Company	USA
Hatch Mott MacDonald Ltd	USA
Hayes Engineering	USA
Hayes Seay Mattern & Mattern	USA
Hazen & Sawyer	USA
Hazen and Sawyer	USA
HBH Consulting Engineers, Inc.	USA
HDR Engineering Inc.	USA
HDR Engineering, Inc.	USA
Heartland Engineering, Inc.	USA
Heidt & Associates Inc.	USA
Heindel and Noyes, LLC	USA
Henrietta Engineering	USA
Henry T. Welka & Assocs.	USA
Herbert, Rowland & Grubic, Inc.	USA
Herrera Environmental	USA
Hershberg & Hershberg	USA
Hey and Associates	USA
HGBD Inc.	USA
Hillsborough County	USA
HKM Associates	USA
HMI	USA
HNTB	USA
Hobbs, Upchurch & Assoc PA	USA
Hole, Montes & Assocs. Inc.	USA
Horner and Shifrin Inc.	USA
Horsley Witten Group	USA
Howard County DPW	USA
HQ USAFA/DFCE	USA
HSW Engineering	USA
Hubbell, Roth & Clark Inc.	USA
Hubbell, Roth & Clark, Inc.	USA
Hull & Associates, Inc.	USA
Humboldt State University	USA
Hussey, Gay, Bell & de Young	USA
HYDMET Inc.	USA
Hydraulic & Water Resources Engrs.	USA
Hydro International	USA
Hydroconsult	USA
Hydrologic Engineering Center	USA
Hydrologic Research Center	USA
Hydrologic Systems	USA
Hydrologic, Hydraulic, Env'tal Sys	USA
HYDROMAX USA, LLC	USA
Hydroqual, Inc.	USA
Hydro-Triad-V3 Colorado	USA
IIW Engrs and Surveyors	USA
Illinois State University	USA
Illinois State Water Survey	USA
Imbrium Systems	USA
Inca Engineers, Inc.	USA
Indiana Dept. Environmental Mngmt	USA
Ingenieros Consultores	USA
Int. Comm. Potomac River Basin	USA
Integrated Computer Systems	USA
Integrated Water Resources	USA
International Bio-Solution	USA
J.C.K. & Associates Inc.	USA
Jacobs Civil	USA
James B. Becker Cons. Engrs.	USA
JAS Associates, Inc.	USA
JDJR Engrs & Consultants, Inc.	USA
JEC	USA
Jeff Anderson Engineering	USA
Jeffers and Associates, PLLC	USA
Jefferson Parish Environmental Div.	USA
JFNew & Associates, Inc.	USA
Jim Stidham & Assocs.	USA
Johnson Engineering, Inc.	USA
Jones and Henry Engineers	USA
Jones Edmunds & Assocs. Inc.	USA
Jones Engineers	USA
Jordan, Jones & Goulding	USA
Joseph Gottlieb P.E.	USA
JR Engineering	USA
J-U-B ENGINEERS, Inc	USA
K.G. & A. Environmental	USA
Kaempfer & Associates	USA
Kalluri Group	USA
Kansas Geol. Survey	USA
Kansas State University	USA
Kapur & Assocs.	USA
KCI Technologies, Inc.	USA
KDOT	USA
Keith and Schnars, P.A.	USA
Keller Associates Inc.	USA
Kennedy/Jenks Consultants	USA
Kent Conservation District	USA
Kent County Drain Comm. Offc	USA
Kent State University	USA
Kentucky Div. of Water	USA
Kerr & Boron Associates	USA
Kieser and Associates	USA
Kimley-Horn and Assocs. Inc.	USA
King County	USA
King Engineering Assoc., Inc.	USA
Kinnetic Laboratories, Inc.	USA
Kirkham Michael	USA
Kjeldsen, Sinnock & Neudeck, Inc	USA
KLH Engineers, Inc.	USA
Klotz Associates	USA
KNREPC, DEP, Division of Water,	USA
Kudrna and Assocs Ltd.	USA
Kurahashi & Associates	USA
L & W Engineering, Inc.	USA
L. Robert Kimball	USA
LA County	USA
La Crosse County	USA
La Salle University	USA
LaBella Associates P.C.	USA
Lake Waukomis Association	USA
Land and Water Consulting	USA
Land Design	USA
Landis Inc.	USA
Land-Tech Consultants	USA
Landtech Consultants Ltd.	USA
Larry Walker Associates	USA
Lauer-Manguo & Assoc.	USA
Law Environmental Inc.	USA
Lawler Matusky Skelly Engrs	USA
Lawrence Livermore National Lab	USA
Lawrence Tech. University	USA
Lawson-Fisher Associates	USA
Lennon, Smith, Souleret Engineering	USA
LeRoy Surveyors & Engineers Inc.	USA
LeRoy Surveyors and Engineers	USA
Lewis County	USA
Lewiston Public Works	USA
Lexington Fayette Urban County Govt	USA
Lexington-Fayette Urban County Govt	USA
Limno-Tech, Inc.	USA
Linfield, Hunter, and Junius, Inc.	USA
Linn County RPC	USA
Lochrane Engineering Inc.	USA
Lockheed Martin	USA
Lockwood, Andrews & Newnam, Inc.	USA
Long Engineering, Inc.	USA
Los Alamos National Laboratory	USA
Loudoun County Sanitation Authority	USA
Low Impact Development Center	USA
Lower Columbia Fish Recovery Bd	USA
LSA Associates, Inc.	USA
M. K. Ferguson	USA
Mackay Engineering Co.	USA
Macomb County Public Works	USA
Mactec	USA
Magnusson Klemencic Assoc.	USA
Malcolm Pirnie, Inc.	USA
Manhard Consulting, Ltd.	USA
Marina del Oro Inc.	USA
Mark, Thomas and Company, Inc.	USA
Marshall, McCully & Assocs	USA
Marshall, Provost & Associates	USA
Mass. Audubon Society	USA
Mass. Water Res. Auth.	USA
Mass. Div. of Urban Parks & Rec.	USA
Mass. Wtr Res., Bldg 39, 3rd Fl	USA
Matrix Design Group, Inc.	USA
McClure Engineering Co.	USA
McDowell & Associates	USA
McKee Carson	USA
McKim and Creed	USA
McLaughlin Water Engineers	USA
McNeely & Lincoln Assocs. Inc.	USA
MD Dept of the Environment	USA
MDEQ, Surface Water Quality Div.	USA
MDRM LLC	USA
ME Companies, Inc.	USA
M-E Companies, Inc.	USA
MEC Analytical Systems	USA
MEC Water Resources	USA
Meckel Engineering & Surveying	USA
Meridian Associates, Inc.	USA
Merrimack College	USA
Metcalf & Eddy	USA
Metric Engineering	USA
Metro Sewer Dist of Gr Cincinnati	USA
Metro Washington Council of Govts	USA
Metro, Portland	USA
Metz Engineers	USA
MGS Engineering Consultants, Inc.	USA
Miami Dade County	USA
Mich. Dept of Env. Quality	USA
Michael Baker, Jr., Inc.	USA
Michael J. Sears	USA
Michigan DNR	USA
Mickel Wagner Coleman Inc.	USA
Midwestern Consulting	USA
Milford and Associates, Inc.	USA
Minnesota Erosion Control Assoc.	USA
Minnesota Pollution Control Agency	USA
Mississippi Dept of Transportation	USA
MKE Consultants	USA
Moffatt & Nichol	USA
Monroe and Corrie, Inc.	USA
Monroe Co. Dept. Pure Waters	USA
Montana DHES, Water Quality Div.	USA
Montgomery Associates	USA
Montgomery Water Group	USA
Montgomery Watson	USA
Morrison-Maierle/CSSA	USA
MS Consultants	USA
MSA Professional Services Inc.	USA
MSD-Cincinnati	USA
MT Bureau Mines and Geology	USA
MTA Bridges & Tunnels	USA
Murray, Smith and Associates	USA
MWH Soft	USA
N Carolina State University	USA
N. Virginia Reg. Commission	USA
Naik-Prasad Inc.	USA
Najarian Associates, Inc.	USA
Narragansett Bay Commission	USA
Nassau Community College	USA
Nat. Inst.Environmental Renewal	USA
Nat. Resources Conservation Serv.	USA
NC DEHNR	USA
NDOT Environmental Services	USA
Neel-Schaffer, Inc.	USA
Neil Consultants Inc.	USA
New York State Dept. of Env. Cons.	USA
NFESC	USA
NGK-Locke, Inc.	USA
NHWPCA, E.Shore Water Poll Abatemt	USA
niversity of New Orleans L. Front	USA
NJ DEP	USA
NJ DEP, Div. Watershed Mngt	USA
NJ Meadowlands Commission	USA
NMED/Surface Water Qual. Bureau	USA
Nobles Varnum & Hodges Inc.	USA
Norris & Associates, Inc.	USA
North Carolina DENR	USA
North Carolina State University	USA
North Eastern University	USA
Northeastern University	USA
Northern Engineering Services, Inc.	USA
Northern Virginia Graduate Center	USA
Northgate	USA
Northwest Hydraulic Consultants	USA
Nova Consulting, Inc.	USA
NSF International	USA
NTH Consultants, Ltd.	USA
Nussbaumer & Clarke Inc.	USA
NWRS, Inc.	USA
NYC DEP	USA
NYS Dept of Transportation	USA
O Brien & Gere Engineers	USA
O Brien Engineering	USA
Oakland County	USA
Oakridge Inst. For Science and Educ	USA
Ogden Environmental & Energy	USA
Ohio DNR-DSWC	USA
Ohio State University	USA
Oklahoma Conserv. Commis.	USA
Old Dominion University	USA
Olson Engineering, Inc.	USA
Olsson Associates	USA
Oregon State University	USA
Orth-Rodgers & Associates	USA
OSHO Dept	USA
Otak	USA
Ozuna and Associates	USA
PA DEP	USA
PA Environmental Council	USA
Pacific Advanced Civil Engineering	USA
Pacific Water Resources, Inc.	USA
Padfield Enterprises	USA
Page Sutheland Page	USA
Parametrix, Inc.	USA
Parsons	USA
Passero Associates	USA
Pate Engineers	USA
Patton Harris Rust & Associate	USA
Paul Krohn PE	USA
PB	USA
PBS&J	USA
PDC Technical Services Inc.	USA
PDR Engineers, Inc.	USA
PEH Engineers	USA
Penn State University	USA
Pennsylvania DEP	USA
Percy B. Cotton Associates	USA
Philadelphia Water Department	USA
Philip Williams & Associates	USA
Phillip G. Bazzo P.C.	USA
Pima County	USA
Pizer Inc.	USA
Pogue Engineering & Dev.	USA
Polaris Group, Inc.	USA
Pomeroy & Associates, Ltd.	USA
Pontchartrain Inst for Envmt Sci	USA
Portland Water District	USA
Pratt & Huth Assoc	USA
Prein & Newhof	USA
Primatech, LLC	USA
Princeton Hydro	USA
Prism Contractors & Engineers, Inc	USA
Prof. Eng'g Consultants Inc.	USA
Professional Engineering Assocs,Inc	USA
Progressive Consulting Engineers	USA
Providence Engineering	USA
Provizer and Phillips, P.C.	USA
Purdum & Jeschke, LLC	USA
Quantitative Env'tal Analysis LLC	USA
Quentin L. Hampton Assocs.	USA
Quest Engineers Inc.	USA
R. Gutierrez Engineering Corp.	USA
R. M. Towill Corporation	USA
R. Stuart Royer and Assocs, Inc.	USA
R. W. Beck, Inc.	USA
R.B. Sellers Consulting Engrs	USA
R.D. Zande & Associates	USA
R.S. Grant Consultants Inc.	USA
R.W. Armstrong & Associates	USA
R.W. Beck Inc.	USA
Raines, Melton, & Carella, Inc	USA
Ralph M. Parsons	USA
Ramlit Associates	USA
Rani Engineering	USA
RBF Consulting	USA
Regional Water Brd, LA Region	USA
Reilly Associates	USA
Resource Planning Assocs	USA
Resources and Systems Int., Inc.	USA
Rice University	USA
Rick Engineering	USA
Riverside County Transportation	USA
Rivertech Incorporated	USA
Riverton City	USA
Rizzo Assocs Inc, a TetraTech Co.	USA
RKK Engineers	USA
Robert Peccia & Associates	USA
Rosewater Engineering	USA
Ross Township	USA
Roth Hill Engineering Partners	USA
Rowe Engineering, Inc.	USA
Rowe Incorporated	USA
Rowe Porterfield, UC	USA
Roy F. Weston	USA
RTW Professional Engineers	USA
Rust-Lichliter-Jamison	USA
Rutgers University	USA
RVCOG	USA
S. Florida Water Management Dist.	USA
S.Carolina DHEC	USA
S.Dakota School Mines & Tech.	USA
Sacramento County	USA
SAIC	USA
San Diego St. Univ. Foundation	USA
San Jose State University	USA
Sandia National Laboratories	USA
Santa Clara Valley Water District	USA
Santee Cooper	USA
Sarasota County Government	USA
Satterthwaite & Assocs.	USA
SCA, NPS Resource Mngt Ctr	USA
Schnitker & Sons	USA
Seattle Public Utilities	USA
SEH	USA
Shafer, Kline & Warren, Inc.	USA
Shaw Environmental, Inc	USA
Shefler and Company, Inc.	USA
Short Elliott Hendrickson Inc.	USA
SIETE LTDA	USA
Sigma Associates	USA
Singhofen & Associates, Inc.	USA
Sisul Engineering	USA
SITE-Blauvelt	USA
SK Design Group Inc.	USA
Smith and Mahoney	USA
SmithGroup JJR	USA
Snohomish County	USA
Soil & Water Engineering Technology	USA
Somerset County	USA
South Florida Water Mgmt District	USA
Southern Illinois Univ. Edwardsvill	USA
Spalding DeDecker & Assocs	USA
Spicer Group Inc.	USA
Spotts Stevens and McCoy Inc	USA
Sprinkle Consulting, Inc.	USA
SSC - SD	USA
St. John's Engineering	USA
St. Johns River Water Mgmt. Dist.	USA
St. of Maine, Env'tal Protection	USA
Stafford County	USA
Stantec Consulting	USA
Starrett Engineering, LLC	USA
State of Texas Water Comm.	USA
Stearns and Wheler	USA
Stephl Engineers	USA
Stetson-Harza	USA
Stolz Engineering & Associates, Inc	USA
Stoner Associates, Inc.	USA
Storm Water Mgmt Consulting	USA
StormTech, Inc.	USA
Stormwater Mngmt Authority Inc	USA
Sturdy Engineering	USA
Summit County Enginers Office	USA
Sunde Engineering Inc.	USA
SUNY	USA
Sverdrup Corporation	USA
Sverdrup Facilities, Inc.	USA
SW Florida Water Managemnt Dist.	USA
Swanson Hydrology & Geomorphol	USA
SWRF	USA
Symbiont	USA
T DEC, Div Water Pollution Ctrl	USA
T.B. Smith & Sons, Inc.	USA
T.W. Trybus Associates	USA
T.Y. Lin International	USA
Taggart Engineering	USA
Tamara Dudiak Consulting	USA
Tampa Bay	USA
Tarbox Consulting and Design	USA
Tetra Tech EM Inc.	USA
Tetra Tech MPS	USA
Tetra Tech, Inc.	USA
TetraTech MPS	USA
TetraTech, Inc.	USA
Texas A & M University	USA
The Bryler Corporation	USA
The Citadel	USA
The Gateway Engineers, Inc.	USA
The Louis Berger Group, Inc.	USA
The Metropolitan District	USA
The Rose Group	USA
The Sear-Brown Group	USA
The Source Group, Inc.	USA
The TAF Group	USA
The Technical Services Group, PLC	USA
The Terrene Institute	USA
The University of Michigan	USA
Thomas Engineering Company	USA
Thomas, Dean & Hoskins Inc.	USA
Thomas/Wright, Inc.	USA
Thompson Professional Group	USA
Tighe & Bond Inc.	USA
TNRCC	USA
Tolman Engineering, PLLC	USA
Town of Brighton DPW	USA
Town of Chesterton Utility, MS4	USA
Town of Windsor	USA
Township of Springfield	USA
Transviron	USA
TranSystems Corporation	USA
TRC Engineers, Inc.	USA
Treeo Center	USA
Triad Engineering Inc.	USA
Tri-Cities N. Reg. Waste Water Auth	USA
Trumbull County Sanitary Engrs	USA
TSi Engineering	USA
Tucker, Young, Jackson, Tull	USA
Tufts University	USA
Turner, Collie & Braden Inc.	USA
TVGA Consultants	USA
Tyson Engineering, Inc.	USA
UIC	USA
UMBC CUERE TRC 102	USA
University of Alabama	USA
University of California	USA
University of California - Berkeley	USA
University of California - Davis	USA
University of California - LA	USA
University of California - SB	USA
University of California - SD	USA
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University of Colorado	USA
University of Connecticut	USA
University of Dayton	USA
University of Delaware	USA
University of Detroit Mercy	USA
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University of Georgia	USA
University of Illinois	USA
University of Illinois -Urbana	USA
University of Iowa	USA
University of Kansas	USA
University of Kentucky	USA
University of Maryland	USA
University of Massachusetts Amherst	USA
University of Massachusetts Boston	USA
University of MD, Balto Co	USA
University of Memphis	USA
University of Miami, Resi. College	USA
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University of Minnesota	USA
University of Missouri	USA
University of N. Texas	USA
University of New Orleans	USA
University of North Carolina	USA
University of Oklahoma	USA
University of Oregon	USA
University of Portland	USA
University of Puerto Rico	USA
University of Rhode Island	USA
University of S. Carolina	USA
University of South Florida	USA
University of Tennessee	USA
University of Utah	USA
University of Virginia	USA
University of Wisconsin	USA
University of Wyoming	USA
Upper Big Blue NRD	USA
Urban Drainage & Flood Control	USA
Urban Planning and Innovations Co.	USA
URS Corporation	USA
US Army Corps of Engineers	USA
US Dist. Court Watermaster	USA
US EPA	USA
US Fish & Wildlife Service	USA
US Geological Survey	USA
USDA Soil Conserv. Service	USA
USKH, Inc.	USA
Utah State University	USA
V Point	USA
VA Dept. of Environmental Services	USA
Vallejo Sanitation	USA
Varnum & Associates, Inc.	USA
Vector Engineering, Inc.	USA
Veenstra & Kimm, Inc.	USA
Versar Inc.	USA
Vieux & Associates, Inc.	USA
Villanova Univ, Civ & Env Engg	USA
Virginia Inst. of Marine Science	USA
Virginia Polytech. Inst & Univ	USA
Virginia Wesleyan College	USA
VSL Engineering	USA
W&H Pacific	USA
W.H. Blood and Assocs.	USA
Wade Trim	USA
Walter Davidson and Assocs.	USA
Walter P. Moore Assocs.	USA
Washington County	USA
Washington Group	USA
Washington Infrastructure Services	USA
Washington State	USA
Washington State University	USA
Waskey Bridges, Inc.	USA
Water Environment Services	USA
Water Resources Learning Cons	USA
Water Resources Consulting Services	USA
Water Resources/Coastal Eng'rg	USA
Wayne County	USA
Wayne State University	USA
WBQ Design & Engineering, Inc.	USA
WBRC Architects - Engineers	USA
Welch Hanson & Assoc	USA
West Consultants, Inc.	USA
Western Consulting	USA
Western Michigan University	USA
Westinghouse Savannah R. Co	USA
Weston Solutions	USA
Wheeling WPCD	USA
Widseth Smith Nolting	USA
Wiedeman and Singleton, inc.	USA
Wilbur Smith Associates	USA
Wildermuth Environmental, Inc.	USA
Wilhelm Stormwater Consultants	USA
William Bishop Cons. Engineers	USA
Williams Engineering Inc.	USA
Williamsburg Environmental Gro	USA
Wilson & Company	USA
Wilson Miller Barton & Peek, Inc.	USA
Winzler & Kelly Consulting Engineer	USA
Wisconsin DNR	USA
Wood Rodgers Inc.	USA
Woolpert, Inc.	USA
WRC, Inc.	USA
Wreco	USA
WRG Design, Inc.	USA
Wright Pierce	USA
Wright Water Engineers, Inc.	USA
XCG Consultants	USA
XP Software	USA
Youngstown State University	USA
Zurheid Herrmann Cons. Eng	USA
HCMC University Technology	Vietnam
VNCC	Vietnam
Binnie, Black and Veatch Ltd.	Vietnam
CDM International Inc.	Vietnam
CIC	Vietnam
Ecole polytechnique de HCM-V	Vietnam
Project Management Unit 415	Vietnam
COM-ING	Yugoslavia
Dept, of Agriculture, Irrigation Br	Zambia

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