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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 70 countries and on every continent.
The following is a sampling of our clients. Many of these firms have multiple offices and many PCSWMM users operating under Enterprise licenses.
Client
Country
22nd Civil Engineering Squadron USA 397 Stratton Way SE Canada 3DI - LLC USA 3-Waters Technical Services USA 4Site Engineering USA 5engineering, LLC USA A & W Surveying and Design USA A.J. Clarke & Assoc. Ltd. Canada A.M. Candaras Associates Inc. Canada AAFC Canada Aalto University Finland Abaziyo Consulting Engineers South Africa Abbott Grobicki (Pty) Ltd. South Africa ABL Environmental Consultants Canada Acqua Engineering Inc. Canada Acres International Canada ACRT Inc. USA Ada County Hway District USA ADC Engineering USA ADI Limited Canada ADS Corporation USA Advanced Engineering & Env. Service USA ADWEA/TRANSCO United Arab Emirates AE Thames USA AECOM Canada AECOM USA AEM Corp. USA AFJMc USA AFRAM Corporation USA Afri-Coast Engineers SA (Pty) South Africa Africon Engineering Int. (Pty) Ltd South Africa AGC Group, Inc. USA Ages Engineering Services South Africa agi infra France AGRA (Now AMEC) Canada Agriculture & Agrifood Canada Canada Agrupacion de Colaboracion Argentina Agua y Naturaleza Ingeniera Civil Colombia Aguas do Mondego Portugal Aguas Guariroba Brazil Aguilar Engineering USA AIA Engineers Ltd USA AICOM srl Italy Ain Shams University Egypt Ainley Group Canada AIP ( Actuaciones de Ingeneria Y P Spain AIT Thailand AKS Industries Australia Al Underhill and Associates Ltd. Canada Alabama A&M University USA Alabama Dept Environmental Protn USA Alabama Power Company USA Alameda County PWD USA Alastair Fraser Prof Engineer South Africa Alberta Environmental Prot'n Canada ALCOSAN USA Allegheny County Health Dept. USA Allen Nobles & Ass. USA Alliant Techsystems, A.B. Lab. USA ALLPLAN PROIECT Romania Allstate Consultants, LLC USA Alpenglow Advisory Bulgaria Alvarez Ingenieros, S.L. Spain AMEC Canada AMEC USA AMEC Earth & Environmental USA AMEC Industrial Canada AMEC Infrastructure Canada American School of El Salvador El Salvador Amex Leasing USA A-N West, Inc. USA Anathi/Ingerop Africa South Africa Anchor Environmental USA Anderson & Associates USA Anderson Consulting Engineers, Inc. USA Angus Mackenzie Canada Anselmo associati Italy Anstad Pty Ltd Australia Anvil Corporation USA APIA XXI S.A. Spain Aplin & Martin Consultants Canada Applied Ecological Services, Inc USA Applied Geographic Technologies Inc USA Applied Science Inc USA Applied Technology & Mngmt, Inc USA Aqua Control Technology Pvt Ltd. India Aqua Data Inc. Canada Aqua Solutions Inc. USA Aqua Terra Consultants USA Aquabellis sp. z o.o. Poland AquaData sp Slovenija Aquae ELB Canada Aquafin NV Belgium Aquafor Beech Engineering Ltd. Canada Aquapraxis inc. Canada AquaResource Inc. Canada Aquarius Engineering USA Aquaserv, s.r.o. Czech Republic Aqua-Tex Scientific Consult Ltd. Canada Aquion s.r.o. Czech Republic Arapahoe County USA ARCADIS USA Archibald Gray & McKay Engineering Canada Arcus Gibb South Africa Ardaman and Associates, Inc. USA Argonne National Lab USA Aristotle Univ. of Thessaloniki Greece Arizona State University USA Arlington County Government USA Armentrout, Marbury & Associates USA Array Technologies Inc USA Arrondissement Saint-Laurent Canada Arrow Engineering Inc Canada Arup (Pty) Ltd South Africa ArzRecine Ingenieros Asociados Chile ASCG Incorporated USA ASCH Consulting Engineers South Africa Ashghal - Public Works Authority Qatar Asian Institute of Technology Thailand Asplan Viak AS Norway Asseau Inc. Canada Associated Engineering Canada ATB SA Switzerland ATR Associates, Inc. USA Auckland Regional Council New Zealand Aurecon South Africa (Pty) Ltd South Africa Ausable Bayfield Cons. Auth. Canada Australian Design Company Romania AUT Brazil Av. Visconde de Guarapuava, 45 Brazil Avetin Engineering Ltd. USA Avlopssambandet Nordre Oyeren Norway Avon Engineers (Pty) Ltd. South Africa AW Potter, Inc. USA Aware Engineering Inc. USA AWS Engineers & Planners Corp. Canada AXOR Experts-Conseils Inc. Canada Ayers, Lewis, Norris and May USA AySA S.A. Argentina AZ CONSULT spol. s r.o. CZECH REPUBLIC Azimuth Environmental Consulting Inc. Canada Baird and Associates Canada Baker & Lawson, Inc. USA Bal-Comp Engineering Ltd. Canada Bandung Institute of Technology Indonesia Banjul City Authority Gambia Bankstown Council Australia Banner Assoc., Inc. USA Banziger, Koppel & Partner Switzerland Barker Terp Gibson Limited Canada Barr Engineering USA Barrett Consulting Gp. USA Barry Consulting Canada Barthauer Software GmbH Germany Barton, Smith & West USA Baskerville-Donovan USA Bass Coast Shire Council Australia Battelle PNNL USA Baxter & Woodman, Inc. USA Bay Area Rapid Transit USA BBHN SA Switzerland BBL Sciences USA BC Tonkin & Assocs Australia BC Water & Waste Association (BCWWWA) Canada BCG Engineering & Consulting, Inc. USA BCI Engineers & Scientists, Inc. USA BCP Engineers South Africa BDS Technologies, Inc. USA Beasy Nicoll Engineering Canada Beauchemin-Beaton-LaPointe Canada BEC, Inc. USA Bechtel Corporation Australia Bechtel Corporation USA Bechtel Quebec Ltd. Canada Beijing Normal university China Belgrade University Croatia Bell Design Company USA Belmont Rose Granite Corp. Canada Beosumbar & Associates South Africa Bergman Ingerop South Africa Bergmann Associates USA Bergstan South Africa South Africa Bernard Schenk S.A. Ingenieurs Switzerland Bernardin Lochmueller Assoc. Inc. USA Berns Clancy and Associates USA Beta Group, Inc. USA BG Consultants Inc. USA Bhavnager University, Ecology India BHE Environmental USA BHI USA Bibb County USA Billon Consulting Engineers Swaziland Biner et Nicole S.A. Switzerland Binnie, Black and Veatch Ltd. Vietnam Birdsall Services Group Inc USA BIT Consult GmbH Germany BJFC Consulting Engrs. South Africa BKS (Pty) Ltd (Now AECOM) South Africa Black & Veatch USA Black Balance Project South Africa Blair Church & Flynn USA Blevins and Bradbury Inc USA Bloom Consultants LLC USA Blossom Engineering Consultants Ltd Taiwan BLUE: Land, Water, Infrastructure USA BMK Engineering Consultants South Africa Boesch Cons. Engineers, Inc. USA Bogor Agriculture University Indonesia Bohannan-Huston, Inc. USA Bonestroo Rosene Anderlik & Assoc. USA Bonnard & Gardel Switzerland Boone County Regional Sewer USA Booz, Ellen & Hamilton South Africa Bornhorst & Ward Pty Ltd. Australia Borq West Paterson, DPW USA Bosch Stemele (PTY) Ltd South Africa Boston Water & Sewer Commission USA Bovard & Nickl S.A. Switzerland Bovay Northwest Inc. USA Bow River Basin Water Council Canada Boyle Engineering Corp. USA BPR Infrastructures Canada Brailia University Brazil Braun Consulting Engineers Canada Brevard County USA Bridgefarmer & Associates Inc USA British Columbia Institute of Technology Canada BRL France Bromley Engineering Ltd. Canada Brooklyn Co USA Broward Davis & Assoc. Inc. USA Brown & Caldwell USA Brown, Cunningham & Gannuch USA BROZ - Consultoria e Tecnologia Brazil BSEI Canada Buchart Horn, Inc. USA Bucknell University USA Buffalo Sewer Authority USA Buffalo State College USA Bur. d'Ingenieurs Jaquier-Pointet Switzerland Burgess & Niple Inc USA Burlington Public Works USA Burns & McDonnell USA Burnside Development Services Canada Bury and Partners USA BVI Consulting Engineers South Africa C. Allan Bamforth, Jr., Engineer - Surveyor, Ltd. USA C. D. G. Inc. Canada C. Lotti & Associati SpA Honduras C.C. Tatham & Associates Ltd Canada C.E.S. Hong Kong C.F. Crozier & Associates Inc. Canada C.R.Ctr Catchment Hydrology Australia Cahill Associates USA CAICE Software Corp. USA Cairo University Egypt Calif Reg. Water Quality Control Bd USA Calif. Dept. Water Resources USA California Baptist University USA California DEH USA California Department of Transportation (CALTRANS) USA California State University USA Caltrans USA Cambium Environmental Inc. Canada Cambridge Eng'g & Planning Consult. Canada Cameron Enterprises USA CAMINOSCA CIA LTDA Ecuador Camp Dresser & McKee Inc USA Canadian Forces Base Borden Canada Canadian Hydraulics Ctr. Canada Capco Engineering USA Cardno ACT/NSW Pty Ltd Australia Carleton University Canada Carnegie Mellon University USA Carolina Eng. USA Carollo Engineers USA Carpian Consultants Inc. Canada Carroll Engineering Corporation USA Carter and Burgess USA Cataraqui Region Cons. Auth. Canada CBA Specialist Engineers South Africa CBCC Egypt CBCL Limited Canada CBI Consulting Engineers South Africa CCIW Canada CCL/IBI Group Canada CCS Engineers Inc. USA CDG Engineers and Assoc. USA CDM Thailand CDM International Inc. Vietnam CDM Smith USA CDP Engineers, Inc. USA Cegep maisonneuve Canada Cegertec Canada CEIC Taiwan celdes s.r.l. Italy CENCA - IMTA Mexico Center of Green Chemistry&Eng'rg USA Central CT State University USA Central Engineering Cons. Research Taiwan Central L. Ontario Cons. Auth. Canada Central Lake Ontario CA Canada Century West Engineering Corp. USA CEP Forensic Consulting Canada Cerro Flow Products Inc USA CERT SA Switzerland CES Consulting Engineers Salzgitter GmbH Germany CH2M HILL Canada CH2M HILL USA Chad Berthelson & Associates USA Chalmers University of Technlogy Sweden Chamsol Eng. South Korea Charles River Watershed Assoc. USA Chelapati & Associates USA Chem Risk USA Chester Engineers USA Chicago Dept of the Environment USA China Institute of Hydropower and Water Resources China Chinese Culture University Taiwan Choice One Engineering USA Chongqing Jiaotong University China Chris Brooker & Associates South Africa Christiansen and Sergi Inc USA Christopher B. Burke Engineering USA Chung and Ng Consulting Eng. Ltd. Hong Kong Chung-Ang University Korea South Chungbuk National University Korea CHUNGJIUN ENHINEERING CONSULTANTS Taiwan CIC Vietnam Cicon Engineering Canada CIMA+ Canada CIRAD-CA France Citiwest Consulting Ltd Canada 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 Barrie Canada City of Bellevue USA City of Bellingham USA City of Benson USA City of Birmingham USA City of Bloomington USA City of Brampton Canada City of Brandon Canada City of Brandon Canada City of Burlington Canada City of Burnaby Canada City of Calgary Canada City of Cambridge Canada City of Cape Town South Africa City of Chattanooga USA City of Chesapeake USA City of Chesterfield USA City of Cocoa Beach USA City of Cold Lake Canada City of Columbus USA City of Concord USA City of Coquitlam Canada City of Cornwall Canada City of Corvallis USA City of Cottage Grove USA City of Dania Beach USA City of Dublin USA City of Dubuque USA City of Durham USA City of Edmonton Canada City of Elkhart USA City of Enid USA City of Estevan Canada City of Fayetteville USA City of Federal Way USA City of Fostoria USA City of Gig Harbor USA City of Gloucester Canada City of Grande Prairie Canada City of Great Falls USA City of Greater Sudbury Canada City of Guelph Canada City of Hamilton Canada City of Haverhill USA City of Hendersonville USA City of Hialeah USA City of High Point USA City of Hornell USA City of Hull Canada City of Huntsville USA City of Indianapolis USA City of Irving USA City of Jacksonville USA City of Kamloops Canada City of Kelowna Canada City of Kent USA City of Kingston Canada City of Kissimmee USA City of Kitchener Canada City of Kokomo USA City of L.A. USA City of Laredo USA City of Laval Canada City of Lebanon USA City of Leduc Canada City of Lethbridge Canada City of Lewiston USA City of London Canada City of Longview USA City of Medford USA City of Medicine Hat Canada City of Melrose DPW USA City of Middletown USA City of Minneapolis USA City of Mississauga Canada City of Moncton Canada City of Myrtle Beach USA City of Nepean Canada City of Newport News USA City of Niagara Falls Canada City of Olympia/Lott Partnership USA City of Onkaparinga Australia City of Oshawa Canada City of Ottawa Canada City of Palo Alto USA City of Peterborough Canada City of Phoenix USA City of Pickerington USA City of Pocatello USA City of Portland USA City of Redmond USA City of Regina Canada City of Rexburg USA City of S.Portland USA City of Sacramento USA City of Saint John Canada City of San Diego USA City of Sarnia Canada City of Saskatoon Canada 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. Albert Canada City of St. Catharines Canada City of St. John's Canada City of St. Paul USA City of St. Petersburg USA City of Stratford Canada City of Subiaco Australia City of Sudbury Canada City of Surrey Canada City of Tacoma USA City of Tallahasse USA City of Tampa USA City of Thunder Bay Canada City of Toledo USA City of Toronto Canada City of Vancouver Canada City of Vaughan Canada City of Virginia Beach USA City of Waterloo Canada City of Watertown USA City of Wauwatosa USA City of Welland Canada City of Wenatchee USA City of Windsor Canada City of Winnipeg Canada City of York Canada Civil Engineer USA Civil Engineering Solutions, Inc. USA Civiltech Consultants, Ltd. Canada CivilTech Engineering, Inc. USA CIVtech Consultants cc South Africa C-K Associates, Inc. USA CLA Experts Conseils Canada Clackamas County USA Clarifica Canada 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 Cleveland State University USA Cleveland Surveying Company USA Clifford Lamb & Associates USA Clifton Associates Ltd Canada Clinton R. Watershed Cncl USA Clipsham Limited Canada Clough, Harbour & Assocs USA CMC South Africa CMX Engineering USA Coastal Engineering Associates USA Coastal Planning and Design, Inc. USA Cochin University, Marine Sciences India Cochrane Engineering Ltd. Canada Cole Engineering Group Ltd Canada Coleman Engineering Inc USA Coles Associates Ltd. Canada College de Maisonneuve Canada College de Rosemont Canada College of Arch and Civil Engi South Korea Colorado Springs Utilities USA Colorado State University USA Comeau Experts-Conseils Canada COM-ING Yugoslavia comision Nacional del Agua Mexico Comm. de Monthey, Travaux Publics Switzerland Commonwealth Engineers Inc. USA Comprehensive Environmental Inc. USA Computer Scs Corp, LLRS USA Comtois Poupart ing. Cons. Canada Concord Engineering & Surveying,Inc USA Concurrent Technologies Corp. USA Conestoga-Rovers & Associates Canada Conservation Halton Canada Constantine Engineering USA Construction Control Inc. Canada Consultants Jobin Courtemanche Canada Consultants MESAR Inc. Canada Consultants VFP inc. Canada Consultores de Ingenieria Chile ConsultPiedra Cia Ltda Ecuador CONTECH CPI USA COPADE Ecuador Cornell University USA Cornerstone Engineering Canada Corp Engineers, Rock Island Dist. USA Corps Engineers,CENED-ED-WH USA Corsan Spain Cosmopolitan Engineering Group USA Cosmos Technologies, Inc USA Cotton College india Cotton, Shires and Assocs. USA Counterpoint Engineering Canada County of Marin USA COWI Norway CPG NZ Limited New Zealand CRA Infrastructure & Engineering USA Craig A. Smith & Associates USA Crandall Engineering Ltd. Canada Crawford Engineering USA Crawford Murphy and Tilly USA Credit Valley Conservation Canada Creegan + D'Angelo USA Creegan and D'Angelo Engineers USA Croswell Engineers South Africa CRUDEP Cameroon CSF Treatment Systems USA CSIR South Africa CSIRO Australia CT Consultants Inc USA CTE Engineers Inc. USA CTM Design Services Ltd. Canada CTQ Consultants Ltd Canada CTU Prague - civil engineering faculty Czech Republic Cunningham Engineering Corp USA Curtis Environmental Engineering Canada Cyril J. Demeyere Limited Canada Czech Technical University Prague Czech Republic D. A. Watt Consulting Group Ltd. Canada D. Greenfield Associates Ltd. Canada D.A. Crupper & Assoc. USA D.E.Y.A.P. Water & Sewage of Patras Greece D.M. Wills Associates Ltd. Canada D.S. -Lea Consultants Ltd. Canada D.Z.Y. Drafting and Design Services Canada Daenzer Telleu Pecoud SA Switzerland Dakota County USA Dalhousie University Canada DalTech Canada Dane County Land Conservation USA Dannenbaum Engineering Corporation USA Dao Consultants USA Darwin City Council Australia DATAPCS South Korea Dave Heiner Associates USA David A. Hoppens Engrs USA David Evans & Associates USA David H Willis and Associates Ltd Canada Davido Consulting Group, Inc. USA Davis Engineering Service, Inc. USA Dawood Engineering Inc. USA Dayton & Knight Ltd Canada DCL Siemens Engineering Ltd Canada De Villers Sheard South Africa DEA ROMA Italy Debswana Diamond Company Botswana DEI USA DEK s.r.l. Italy Delaware County USA Delaware Dept of Transportation USA Delaware DNREC USA Delcan Corporation Canada Delta Q Partners USA Democritos University of Thrace Greece Dennis Consultants Canada Denryoku Computing Center Ltd. Japan DEPARTAMENTO GRAL. DE IRRIGACION Argentina Departmentmof Water Affairs South Africa Dept of Water Affairs & Forestry South Africa Dept, of Agriculture, Irrigation Br Zambia DEQ USA Descon Engineering Canada Desert Research Institute USA Dessau Canada Detroit Water and Sewerage Dept. USA Development Engineering Canada DeVilliers Sheard Consulting Engineers cc South Africa Dewberry USA DFO Canada DGS/Real Estate Division USA DHI China DHI Water & Environment Canada Dillon Consulting limited Canada Directorate of Public Works Storm Water Section USA District of Maple Ridge Canada District of Summerland Canada Diversified Engineering, Inc. USA Divney Consulting USA DLZ USA DME Canada Dodson and Associates USA Dokuz Eylul University Turkey Donahue Ideas USA Donald G. Weatherbe Ass. Inc. Canada DonauConsult Zottl & Erber ZT-GmbH Austria Doucet & Mainka P.C. USA Dragica Milicevic Italy Dream Design International USA Duke University USA Durban South Africa Durrance Projects Ltd. Canada Dvirka & Bartilucce Cons. USA DWAF South Africa Dynacon Technologies South Africa Dytron International Inc. Canada E. Baton Rouge Parish USA E.N.I.T. Tunisia E.T.S. Ing. Caminos Spain e2 Solutions New Zealand E2M USA EA Engineering Science & Tech. USA Eagle Consultants Inc. USA Earth Systems Associates USA Earth Tech Canada Inc Canada Earth Tech Inc. USA East Bay Municipal Utility Dist. USA East Carolina University USA Eastern Cape Technikon South Africa Eastern Computer Warehouse USA Eastern Gauteng Services Council South Africa Eastman Chemical Company USA EAWAG Switzerland EBA Engineering Consultants Ltd Canada EBASCO Services Inc., USA ECI USA ECL Eng'g, 502-105 Shindongah Apt South Korea Eclipse Geomatics and Eng'rg Canada Eco Tools Brazil Eco-Design & Engineering Ltd USA Ecole Centrale Paris France Ecole de Technologie Superieure Canada Ecole polytechnique de HCM-V Vietnam Ecole Polytechnique de Montreal Canada ECO-LOGIC Engineering USA Economic & Engineering Servs, Inc. USA Ecoplans Canada Ecosystem Health Division Canada ECT, Inc. USA Ed. Assistant, Civil Engineering USA EDI, Inc USA EDM Canada EDM USA Edminster, Hinshaw, Russ & Assocs USA EEM USA EEUFMG-EHR Brazil Egis India India Egmond Geospheric Assocs. Ltd. Canada Eisman & Russo, Inc USA Ekurhuleni Metropolitan Municipality SOUTH AFRICA El Dorado Department of Transp USA ELI Consulting Inc Canada Elizabeth River Project, Monitoring USA Ellis Spake Civil Consulant USA Emakhazeni Local Municipality South Africa Ematrix Co. Ltd. South Korea EMC Group Limited Canada EMH&T Inc USA Emmons & Olivier Resources Inc. USA EMS - Mekoroth Israel Endecon South Africa Eng Con Canada ENGENIOUS Systems Inc. USA Engineering & Environmental Consultants Inc USA Engineering Concepts Puerto Rico Engineering Enterprises, Inc. USA Engineering Northwest Canada Engineering Resource Assoc., Inc. USA Engineering Specialities USA Enhanced Engineering Solutions CC South Africa ENKA-ENET Turkey ENSR Consulting & Engineering USA ENV Australia Australia Env. Sanitation Co of CAESB Brazil EnvHydro Canada Inc. Canada Environment & Hydrology Corp. Canada Environment Canada Canada Environmental Conservation USA Environmental Consultant Canada Environmental Consulting & Technology, Inc. USA Environmental Entrepreneur Studies Canada Environmental Protection Dept Hong Kong Environmental Quality Br, Bldg 111 USA Environmental R&D Inc. USA Environmental Research & Design USA Environmental Science & Eng., Inc. USA Environmental Services & Permitting USA Environmental Services Office USA Environmental Tactics Inc. USA Envirotech Eng. & Consulting Inc. USA Envirotech Engineering & Consunsulting USA Env'tal Water Resources Group Canada EOA, Inc. USA EPA USA EPAGRI Brazil Epec Consulting (Sask) Ltd. Canada EPFL Switzerland Epsilon Engineering USA Equation groupe-conseil Canada Equiluqs Canada ERDC-EP-W USA Erie County USA ERIM International USA Erler & Kalinowski Inc USA Ernst Fuchs Switzerland Erwat South Africa Escola de Engenharia Brazil Escuela Colombiana de Ingenieria Columbia Essex Region Conservation Authority Canada ESTUDIOS TECNICOS S.A. Columbia ETH Zurich Switzerland eThekwini Municipality South Africa Eugene I. Estopinal & Assoc. Inc. USA Evans David and Assocs. USA Ewha Women university South Korea EWP Engineering, Inc. USA EWRG Ltd. Canada EXH Engineering Services Ltd. Canada exp. Services Inc. Canada EXTREMA CONSTRUCAO LTDA Brazil Eyethu Engineers South Africa FA Engineering Consultant Taiwan Faculty of Civ. Eng, Zagreb Croatia Fairfax County USA FarWest Restoration Engineering USA Fauna-Flora International Cambodia Fay, Spofford and Thorndike USA Fayette Engineering USA FCTH Brazil Federal Airports Corp. Australia Fedowsi Univ. of Mashhad, Engg Lib Iran Feller, Finch & Assocs. Inc. USA FEMA, Reg VIII USA Fenco Shawinigan Eng. Ltd. Canada Feng Chia University Taiwan Ferber Engineering Company USA Filiatrault McNeil & Assocs. Inc. Canada Finkbeiner, Pettis & Strout, Inc. USA Finnish Environmental Institut Finland Fitzner Consulting Ltd Canada 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 FluidClarity Ltd USA Fluor Corporation USA Flury Ingenieurunternehmung AG Switzerland FMSM Engineers Inc. USA Focus Corporation Canada Fortress Infrastructure Consultancy Services India Foster Wheeler Env'tal Group USA Francisco Javier Sorbet Presentacion Spain Franklin Consulting Associates USA Franz Environmental Inc. Canada Freelance Civil Engineer Canada Freshwater Research Canada FST Consulting Engineers South Africa Fugro Airborne Surveys Corp Canada Fundacao Centro Tecnologico de Hidraulica Brazil FUSAGx Belgium Fuss & O'Neill Inc USA G D Vallee Ltd. Canada G. D. Newton & Associates Inc. Canada G. Robert George & Assocs USA Gabriel E. Senor PC USA GAIACOM Greece Gamsby & Mannerow Ltd. Canada Gannett Fleming Inc. USA Gartner Lee Limited Canada GBA USA Gee & Jenson Inc./CH2MHill USA Genesis Engineering USA Genesis Group USA Genie-Info-Texte Canada Genio Experts-Conseils Canada GENIPUR Canada Genius Canada GENIVAR Canada Genivar Trinidad and Tobago Ltd. Trinidad & Tobago Geodesy USA Geodia France GeoIntelligence Systems Inc Taiwan Geological Survey of Austria Austria Geomatic Int'l Tech. Inc Canada Geomorphic Solutions (Sernas) Canada Geophex Ltd. USA George F. Young, Inc. USA George Miles & Buhr USA George Salter Academy United Kingdom Georgian College Canada Geosonics USA Geo-Spatial Solutions, Inc. USA GeoSyntec Consultants USA Geosystems U.K. GEP Data Consulting Switzerland GEPD, Water Protection Br. USA Geraghty & Miller Inc. USA Gestion des Eaux et Dechets - Switzerland GFC Holdings South Africa GHA Associates USA Ghafari & Associates Canada Ghafari & Associates USA Gibson-Thomas Engineering USA Gifco Engineering Ltd. Canada Giffels Associates Ltd. Canada GIRPA SpA Italy Glen Newton Engineering Canada Global Quality Corp. USA GLOBE TRUST INC USA Glos Engineering Ltd. Canada Goba (Pty) Ltd. South Africa GOC, S.A. Spain Golder Associates Canada Golder Associates Africa (Pty) Ltd South Africa Goodkind and O'Dea, Inc. USA Governmnet of Newfoundland Canada GPEC Consulting Ltd USA GPEC Consulting Ltd Canada Graef, Anhalt, Schloemer USA Grand River Conservation Auth. Canada Grand Valley State University USA Great Lakes Env'tal Ctr USA Greater Shepparton City Council Australia Greater Toronto A. A. Canada Greater Vancouver Regional Dist Canada Greck and Associates Canada Greeley & Hansen USA Greenhorne & O'Mara USA Greenland Consulting Engineers Canada Greenman-Pederson, Inc. USA Gregory L. Morris & Assocs. USA Gremmer & Associates, Inc USA Grey Sauble Conservation Authority Canada Griffith University Australia Grontmij Denmark Group Mackenzie USA Groupe Conseil Saguenay Canada Groupe Sohier Canada Groupe Teknika Canada GRS Systems, Inc. USA GSCC Australia GTAA, Pearson Int'l Airport Canada Gunnell Engineering Canada GWN Systems Inc. Canada GZA GeoEnvironmental Inc. USA H.S. SRI Italy H.Y. Engineering Ltd. Canada H2O Engineering USA H2O Logics Inc. Canada H5M Canada H67 Lorong Seroja 3 Malaysia HA -m Corporation USA Haas & Associates USA Haddad Morgan & Associates Ltd Canada HADECON Vietnam Haifa University Israel Halcrow Group Ltd. U.K. Halcrow, Inc. USA Halff Associates, Inc. USA Halifax Regional Municipality Canada Halifax Water Canada HA-m Corporation USA Hamilton Reg. Conservaton Auth Canada Hancock Engineering Co USA Hansung Dev. Corp. Dpt. Env. Bus. South Korea Hanyang University South Korea 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 Hasanuddin University Canada Hasegawa Engineering Canada Haskoning Vietnam Hatch Canada Hatch South Africa Hatch Energy Canada Hatch Mott MacDonald Ltd Canada Hatch Mott MacDonald Ltd USA Hayes Engineering USA Hayes Seay Mattern & Mattern USA Hazen & Sawyer USA HBH Consulting Engineers, Inc. USA HCCL Canada HCMC University Technology Vietnam HDR Engineering Inc USA Health Canada Canada Heartland Engineering, Inc. USA HEATH Consultants Canada HEC Korea South Heidt & Associates Inc. USA Heindel and Noyes, LLC USA Henderson Paddon & Assocs. Ltd. Canada Henrietta Engineering USA Henry T. Welka & Assocs. USA HERA S.p.A. Italy Herbert, Rowland & Grubic, Inc. USA Herrera Environmental USA Hershberg & Hershberg USA Herter & Wiesmann SA Switzerland Hey and Associates USA HGBD Inc. USA HHO AFRICA South Africa HIDROESTUDIOS S.A. Colombia Hidroinfo Engenharia e Servicos Brazil Hidroing Croatia Hidrosystem Mexico Higgins Engineering Ltd Canada High Country Engineering, Inc. USA Highland Engineering Services Ltd. Canada Highway Design Engineer Canada Hillsborough County USA Hillside Consulting Engineers Limited Canada Hiranandini Construction India HKM Associates USA HMI USA HMS - ITB Indonesia HNTB USA Ho Chi Minh City University of Technology Vietnam Hobbs, Upchurch & Assoc PA USA Hoggard -Eure USA Hole, Montes & Assocs. Inc. USA Horner and Shifrin Inc. USA Horsley Witten Group USA Housing and Development Board Singapore Howard County DPW USA Hoyskolen i Ostfold Norway HQ USAFA/DFCE USA HSW Engineering USA Hubbell, Roth & Clark Inc USA Hull & Associates, Inc. USA Humboldt State University USA Hunter & Associates Canada Hunter Laird Engineering Ltd. Canada Hussey, Gay, Bell & de Young USA HUT Vietnam HYDMET Inc. USA Hydraulic & Water Resources Engrs. USA Hydro International USA Hydro Quebec Canada Hydro-Com Technologies Ltd. Canada Hydroconsult Austria Hydroconsult USA HYDROINFORM, a.s. Czech Republic HYDROLEADER Morocco Hydrologic Engineering Center USA Hydrologic Research Center USA Hydrologic Systems USA Hydromantis, Inc. Canada HYDROMAX USA, LLC USA Hydronet Philippines Hydropraxis France Hydroqual, Inc. USA Hydrosim South Africa Hydrosystems Consulting Services New Zealand Hydrotec Germany Hydrotech Research Institute Taiwan Hydro-Triad-V3 Colorado USA HYTEK Engineering Consultants Taiwan I.D. Group Inc. Canada I.H.E. - Delft The Netherlands Ian Macallan Cunsulting Engineers Fiji IB Grombach & Co. Ltd Switzerland IBI Group Canada iCE Group (Pty) Ltd. South Africa idpoints R.O.C. Idrostudi SrL Italy Igate patni computer services limited India IISc India IIT Guwahati India IIW Engrs and Surveyors USA Iliso Consulting South Africa ILISO Consulting Pty Ltd South Africa Illinois State University USA Illinois State Water Survey USA Imbrium Systems Inc USA Imbrium Systems Inc Canada Imperial College U.K. IMS Experts-Conseils Canada INA (Water National Institute) Argentina Inca Engineers, Inc. USA Independiente Columbia Indian Institute of Technology India Indiana Dept. Environmental Mngmt USA Infrastructure Systems Ltd. Canada INFRATECH AS NORWAY Ing. Antonio Pasian Italy INGELOG S.A. Chile Ingemax Inc. Canada Ingenieros Consultores USA Ingenieurberatung Hauck Germany Ingenieurbuero Germany Ingenieurgesellchaft Germany Inje University South Korea InPro Engineers, Inc. USA INRS-EAU Canada INRS-ETE Canada Inst for Environment & Devt Studies Bangladesh Inst. Sanitary Engineering, UNI-LJ Slovenia Institut IGH d.d. Croatia Institut National de Recherche Sc. Canada Institut Teknologi Bandung Indonesia Institute of Water Modelling Bangladesh Institute of Water Resources and En China Instituto De Ingenieria Mexico Int. Comm. Potomac River Basin USA Integrated Land Management Inc USA Integrated Water Resources USA Integrated Computer Systems USA Interactive Engineering Canada InterCAD Services Ltd Canada InterCiv South Africa Interconsult ASA Norway International Bio-Solution USA Invest. en Hidrologica Urbana Argentina IPEA, Av. Feliciano Coelho 1509 Brazil IPH - Federal Univ. of R.G. DO SUL Brazil Ireland Aid Lesotho IRRIGARE Uruguay Isfahan Univ. of Technology Iran ISL Engineering Canada Islamic University of Gaza Gaza Istanbul University Turkey ISUTC Mozambique ITALCONSULT SPA Italy Ithaca Wastewater Treatment Facility USA J & B Engineering Canada J & P Building Solutions Australia J.C.K. & Associates Inc. USA J.F. Sabourin & Associates Canada J.H. Cohoon Eng., Limited Canada J.L. Richards & Assocs. Canada J.R. Cousin Consultants Ltd. Canada Jacobs Civil USA Jacques Whitford Canada James B. Becker Cons. Engrs. USA James Trading Co. Ltd South Korea Japan Inst. Wastewater Eng'g Tech. Japan Jaquier Pointet SA Switzerland JAS Associates, Inc. USA JDJR Engrs & Consultants, Inc. USA JEC USA Jeff Anderson Engineering USA Jeffares & Green (Pty) Ltd. South Africa Jeffers and Associates, PLLC USA Jefferson Parish Environmental Div. USA JFNew & Associates, Inc. USA JFSA Canada Jim Davies & Associates Pty Ltd. Australia Jim Stidham & Assocs. USA JIMAZ s.r.o. 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