The most prestigious water/wastewater utilities and engineering companies in the world turn to MWH Soft for the company's rich history of development and delivery of the most powerful and comprehensive hydraulic infrastructure network modeling and design solutions
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Name | City | State/Country |
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| 3W Systems, Ltd. | Rawalpindi | Pakistan |
| 3-Waters Technical Services | Solana Beach | CA |
| 6K Consulting | Mesa | AZ |
| A.N.A. Consultants, LLC | Fort Worth | TX |
| Acumen Engineering | Truckee | CA |
| Adkan Engineers | Riverside | CA |
| Advanced Engineering and Environmental Services, Inc. | Grand Forks | ND |
| Advanced Infrastructure Management, Inc. | Brea | CA |
| Advanced Professional Engineering | Fort Collins | CO |
| AEI-CASC Engineering | Colton | CA |
| AH Environmental Consultants, Inc. | Newport News | VA |
| Aillet, Fenner, Jolly, & McClelland, Inc. | Shreveport | LA |
| Akel Engineering Group, Inc. | Fresno | CA |
| AKM Consulting Engineers, Inc. | Irvine | CA |
| Alan Plummer Associates | Fort Worth | TX |
| Albert A. Webb Associates | Riverside | CA |
| Alter International Consulting Services Co., Ltd. | Ankara | Turkey |
| Altime Engineering | St. Albert | Canada |
| Alvord, Burdick & Howson, LLC | Chicago | IL |
| Ambitech MWH Brazil, Ltd. | Sao Paulo | Brazil |
| Americec | Tarzana | CA |
| Anderson & Associates, Inc. | Blacksburg | VA |
| Anderson & Associates, Inc. | Greensboro | NC |
| Anderson & Associates, Inc. | Johnson City | TN |
| Anderson & Associates, Inc. | Middletown | VA |
| Anderson & Associates, Inc. | Richmond | VA |
| Apex Engineering | Orlando | FL |
| Applied Technology & Management | Jacksonville Beach | FL |
| Applied Water Management, Inc. | Hillsborough | NJ |
| Aqua Engineering | Fort Collins | CO |
| Aquametro | Caracas | Venezuela |
| Arber-Richard P. Arber Associates | Lakewood | CO |
| Arcadis | Akron | CA |
| Armentrout, Roebuck & Company, Inc. | Athens | GA |
| Artel Engineering, Ltd. | Rockland | Canada |
| ASCG, Inc. | Albuquerque | NM |
| ASL Consulting Engineers | Phoenix | AZ |
| ASL Consulting Engineers | Irvine | CA |
| ASL Consulting Engineers | Pasadena | CA |
| Associated Consulting Engineers | Doha | Qatar |
| Associated Consulting Engineers | Beirut | Lebanon |
| Associated Consulting Engineers International | Dubai | U.A.E. |
| Atkins Engineering Associates | Roswell | NM |
| ATS Chester Engineers | Moon Township | PA |
| Auerbach Engineering Company | Tahoe City | CA |
| Ayres Associates | Fort Collins | CO |
| Ayres, Lewis, Norris & May, Inc. | Ann Arbor | MI |
| B.P. Barber & Associates, Inc. | Spartanburg | SC |
| Baker Williams Engineering Group | Carmichael | CA |
| Balar Associates, Inc. | Shreveport | LA |
| Banner & Associates | Brookings | SD |
| Barnes, Ferland and Associates | Orlando | FL |
| Barry E. Lotts Pc | Stuarts Draft | VA |
| Bartlett & West Engineers, Inc. | Topeka | KS |
| Bartlett & West Engineers, Inc. | Lee's Summit | MO |
| Bartlett & West Engineers, Inc. | St Joseph | MO |
| Barton & Loguidice Consulting Engineers | Albany | NY |
| BarWin Consultants | Nacogdoches | TX |
| BC Tonkin & Associates | Wayville | Australia |
| Beeson-Rosier Group | Easley | SC |
| Bell Design Co. | Bingen | WA |
| Benjamini Associates, Inc. | San Francisco | CA |
| Bennett & Williams, Inc. | Columbus | OH |
| Bestor Engineers | Monterey | CA |
| Bethke Engineering | Phoenix | AZ |
| BHC Consultants | Seattle | WA |
| Birkhoff, Hendricks & Conway | Dallas | TX |
| BJM Associates, Inc. | Winter Park | FL |
| Black & Veatch | Las Vegas | NV |
| Black & Veatch | Dallas | TX |
| Black & Veatch | Cary | NC |
| Black & Veatch | Aurora | CO |
| Black & Veatch | King's Centre | Singapore |
| Black & Veatch | Phoenix | AZ |
| Black & Veatch | Kansas City | MO |
| Blair, Church & Flynn Consulting, Engineers | Clovis | CA |
| Blasland, Bouck & Lee, Inc. | Miami Lakes | FL |
| Bohannan-Houston, Inc. | Las Cruces | NM |
| Bohannan-Houston, Inc. | Albuquerque | NM |
| Bowen Collins & Associates | Draper | UT |
| Boyle Engineering Corporation | Fort Myers | FL |
| Boyle Engineering Corporation | Fresno | CA |
| Boyle Engineering Corporation | Newport Beach | CA |
| Boyle Engineering Corporation | Denver | CO |
| Boyle Engineering Corporation | San Diego | CA |
| Boyle Engineering Corporation | Orlando | FL |
| Boyle Engineering Corporation | Sacramento | CA |
| Boyle Engineering Corporation | Ontario | CA |
| Boyle Engineering Corporation | Bakersfield | CA |
| Boyle Engineering Corporation | San Luis Obispo | CA |
| Braun Engineering & Surveying | Dover | DE |
| Brelje & Race Consulting Civil Engineers | Santa Rosa | CA |
| Brock & Bustillos, Inc. | El Paso | TX |
| Brockmeier Consulting Engineers, Inc. | Santa Monica | CA |
| Brown & Caldwell | Pleasant Hill | CA |
| Brown & Caldwell | El Paso | TX |
| Brown & Caldwell | Rancho Cordova | CA |
| Brown & Caldwell | Walnut Creek | CA |
| Brown & Root, Inc. | Houston | TX |
| Brown Consulting Pty, Ltd. | South Brisbane | Australia |
| Browne Engineering, Inc. | Bainbridge Island | WA |
| Bryant Associates | Boston | MA |
| Buchart Horn, Inc. | Williamsburg | VA |
| Buck, Seifert & Jost of Virginia | Virginia Beach | VA |
| Buckhorn Geotech | Montrose | CO |
| Burley-Guminiak & Associates | Canton | NY |
| Burns & McDonnell | Kansas City | MO |
| Burns & McDonnell | Englewood | CO |
| Business International Group | Cairo | Egypt |
| BW Perunding SDN BHD | Selangor | Malaysia |
| C.T. Male Associates | Latham | NY |
| Calibre | Alexandria | VA |
| Camp Dresser & McKee, Inc. | Phoenix | AZ |
| Camp Dresser & McKee, Inc. | Carlsbad | CA |
| Camp Dresser & McKee, Inc. | Fort Worth | TX |
| Camp Dresser & McKee, Inc. | Walnut Creek | CA |
| Camp Dresser & McKee, Inc. | Maitland | FL |
| Camp Dresser & McKee, Inc. | Boston | MA |
| Camp Dresser & McKee, Inc. | Providence | RI |
| Camp Dresser & McKee, Inc. | Al-Ram | West Bank |
| Camp Dresser & McKee, Inc. | Annandale | VA |
| Camp Dresser & McKee, Inc. | Ontario | CA |
| Cannon & Cannon, Inc. | Knoxville | TN |
| Cardino & Davies | Toowong | Australia |
| Cardno MBK | Toowong | Australia |
| Carollo Engineers | Walnut Creek | CA |
| Carollo Engineers | Salt Lake City | UT |
| Carollo Engineers | Portland | OR |
| Carollo Engineers | Las Vegas | NV |
| Carollo Engineers | Broomfield | CO |
| Carollo Engineers | San Diego | CA |
| Carollo Engineers | Sacramento | CA |
| Carollo Engineers | Fresno | CA |
| Carollo Engineers | Santa Ana | CA |
| Carollo Engineers | Phoenix | AZ |
| Carollo Engineers | Kansas City | MO |
| Carter & Burgess, Inc. | Austin | TX |
| Carter & Burgess, Inc. | Sacramento | CA |
| Carter & Burgess, Inc. | Las Vegas | NV |
| Carter & Burgess, Inc. | Fort Worth | TX |
| Carter & Burgess, Inc. | Denver | CO |
| Carter & Burgess, Inc. | Little Rock | AR |
| Carter & Burgess, Inc. | Phoenix | AZ |
| Carter & Sloope Consulting Engineers | Watkinsville | GA |
| CE Surveying & Engineering | Belton | SC |
| Celina Matos Medina | Miranda | Venezuela |
| Central Marin Sanitation Agency | San Rafael | CA |
| CGvL Engineers | Irvine | CA |
| CH2M Hill | Corvallis | OR |
| CH2M Hill | Toronto | Canada |
| CH2M Hill | Ottawa | Canada |
| CH2M Hill | Orlando | FL |
| CH2M Hill | Oakland | CA |
| CH2M Hill | Montgomery | AL |
| CH2M Hill | Jacksonville | FL |
| CH2M Hill | Bellevue | WA |
| CH2M Hill | Kansas City | MO |
| Chastain-Skillman, Inc. | Tampa | FL |
| Chastain-Skillman, Inc. | Lakeland | FL |
| Chiang, Patel & Yerby, Inc. | Dallas | TX |
| Christopher B. Burke Engineering, Ltd. | Rosemont | IL |
| Civil Engineering Consultants (CEC) | Riverdale | UT |
| Civiltec Engineering, Inc. | Monrovia | CA |
| CivilWorks, Inc. | Las Vegas | NV |
| Clark Dietz | Chicago | IL |
| CLB Engineers | Texarkana | AR |
| Clear Water Solutions | Windsor | CO |
| Connell Wagner | South Melbourne | Australia |
| Conway Corporation | Conway | CA |
| Coomes Consulting Group Pty, Ltd. | South Melbourne | Australia |
| Cosentini Associates FL, LLP | Orlando | FL |
| CPG Consultants Pte, Ltd. sfg ssssss sdg | | Singapore |
| Crafton Tull | Rodgers | AK |
| Creegan + D'Angelo | Fairfield | CA |
| Crispell-Snyder | Lake Geneva | WI |
| Crist Engineers, Inc. | Little Rock | AR |
| CSA Engineering, Inc. | Phoenix | AZ |
| CSA Group | San Juan | Puerto Rico |
| CSW/Stuber-Stroeh Engineering Group, Inc. | Petaluma | CA |
| CTA Architect Engineers | Billings | MT |
| Daniel Boyle Engineering, Inc. | Laguna Hills | CA |
| Dar Al Handasah Taleb | Beirut | Lebanon |
| DataSense | Lake Orion | MI |
| David Evans & Associates, Inc. | Bend | OR |
| David Evans & Associates, Inc. | Phoenix | AZ |
| David McManus Engineering, Ltd. | Nepean | Canada |
| Davis Engineering Science, Inc. | Pagosa Springs | CO |
| Davis Engineering Service, Inc. | Alamosa | CO |
| Dayton & Knight | Abbotsford | Canada |
| Dee Jaspar & Associates | Bakersfield | CA |
| Delcan Corporation | Ottawa | Canada |
| Delta Q Partners | Cincinnati | OH |
| Demming Architectural & Engineering | Vacaville | CA |
| Desert Canyons Development | St. George | UT |
| Design South Professionals | Anderson | SC |
| Development Alternative, Inc. | Beirut | Lebanon |
| Dewberry | Glen Allen | VA |
| Dexter Wilson Engineering, Inc. | Carlsbad | CA |
| DHV | Amersfoort | Netherlands |
| Dillon Consulting | Halifax | Canada |
| DMW Civil Engineers | Loveland | CO |
| DNA Engineers | Phoenix | AZ |
| Dodds Consulting Engineers | Bellevue | WA |
| Dodson & Associates | Walnut Creek | CA |
| Dohwa Consulting Engineers Co., Ltd. | Seoul | South Korea |
| Domenichelli and Associates | El Dorado Hills | CA |
| Donohue & Associates | Sheboygen | WI |
| DRMP | Orlando | FL |
| Dudek & Associates, Inc. | Encinitas | CA |
| Duffill Watts and King Limited | Auckland | New Zealand |
| Dufresne - Henry | Westford | MA |
| Dufresne - Henry | Manchester | NH |
| Dufresne - Henry | Port Charlette | FL |
| Dufresne & Associates, PC | Windsor | VA |
| Dunaway Associates, Inc. | Fort Worth | TX |
| E2 Consulting Engineers, Inc. | Emeryville | CA |
| EA Engineering, Science, and Technology, Inc. | Sparks | MD |
| EA Engineering, Science, and Technology, Inc. | Lincoln | NE |
| Earth Tech, Inc. | Markham | Canada |
| Earth Tech, Inc. | Stevens Point | WI |
| Earth Tech, Inc. | St. Catharines | Canada |
| Earth Tech, Inc. | San Diego | CA |
| Earth Tech, Inc. | North Charleston | SC |
| Earth Tech, Inc. | New York | NY |
| Earth Tech, Inc. | Burnaby | Canada |
| Earth Tech, Inc. | Long Beach | CA |
| Earth Tech, Inc. | Bellevue | WA |
| Earth Tech, Inc. | Melbourne | Australia |
| Ecologic | Reno | NV |
| Economic and Engineering Services, Inc. | Olympia | WA |
| Edminster, Hinshaw, Russ and Associates, Inc. | Houston | TX |
| Engesoft | Fortaleza | Brazil |
| Engicon Company | Amman | Jordan |
| Engineering Associates, Inc. | Wooster | OH |
| Engineering Design Consultants, Ltd. | North Shore City | New Zealand |
| Engineering Resources of Southern California | Hemet | CA |
| Engineering Resources, Inc. | Plymouth | MN |
| Enprotec/Hibbs & Todd | Abilene | TX |
| Entellus | Phoenix | AZ |
| Entranco | Phoenix | AZ |
| Envirotech | Enid | OK |
| Envision Associates, Inc. | Asheville | NC |
| Envision Engineering, Inc. | Lee's Summit | MO |
| Epic Engineering, Ltd. | West Valley City | UT |
| Erlandsen | East Wenatchee | WA |
| ESM Consulting, LLC | Federal Way | WA |
| Espey Consultants, Inc. | Austin | TX |
| Espey, Huston & Associates, Inc. | Austin | TX |
| Essential Environmental Engineering, Inc. | New Orleans | LA |
| eWater CRC | Canberra | Australia |
| Farnsworth Group | Bloomington | IL |
| Fishbeck, Thompson, Carr and Hubber, Inc. | Ada | MI |
| Florence & Hutcheson, Inc. | Paducah | KY |
| Florida Design Consultants, Inc. | New Port Richey | FL |
| Focus Intec | Victoria | Canada |
| Fox Engineering, Inc | Ames | IA |
| FRA Engineering | Henrietta | NY |
| Freese & Nichols | Fort Worth | TX |
| Fulghum, MacIndoe & Associates, Inc. | Knoxville | TN |
| G. Ben Turnipseed Engineers | Atlanta | GA |
| GA Engineering and Planning | Reno | NV |
| Gamba & Associates, Inc. | Glenwood Springs | CO |
| Gannett Fleming | Harrisburg | PA |
| Gannett Fleming | Camp Hill | PA |
| Gardner Engineering | Ogden | UT |
| Garver Engineers | Little Rock | AR |
| Genesis Engineering | Marysville | CA |
| GeoAdvice Engineering, Inc. | Coquitlam | Canada |
| Geomatrix Consultants | Costa Mesa | CA |
| George Butler Associates | Lenexa | KS |
| GHD - Australia | Brisbane | Australia |
| Gibbs & Olson, Inc. | Longview | WA |
| Gilson Engineering | Draper | UT |
| GIMS (Pty), Ltd. | Midrand | South Africa |
| GlobalTech, Inc. | Bova Raton | FL |
| GND, LLC | Albuquerque | NM |
| Goodwin and Marshall, Inc. | Fort Worth | TX |
| Gray & Osbourne, Inc. | Yakima | WA |
| Gray & Osbourne, Inc. | Seattle | WA |
| Greeley and Hansen | Indianapolis | IN |
| Green International Affiliates, Inc. | Medford | MA |
| Greenhorne & O'Mara, Inc. | Raleigh | NC |
| Gresham, Smith, and Partners | Nashville | TN |
| Group Mackenzie | Portland | OR |
| Gulf Consultants | Kuwait City | Kuwait |
| GW Consulting Civil Engineers, Inc. | Citrus Heights | CA |
| H2M Group | Melville | NY |
| H2O R2 Consulting Engineers, Inc. | Glendora | CA |
| H2OTeam | Beaconsfield | Australia |
| Hall & Foreman, Inc. | Santa Ana | CA |
| Hall and Hall Engineers, Inc. | Cedar Rapids | IA |
| Hammond, Collier, Wade and Livingstone | Seattle | WA |
| Hankuk Engineering Consultants | Kwachon City | Korea |
| Harris & Associates | Concord | CA |
| Harrison Grierson Consultants Limited | Auckland | New Zealand |
| Hartman & Associates, Inc. | Orlando | FL |
| Hatch Mott MacDonald | Millburn | NJ |
| Hayter Engineering, Inc. | Paris | TX |
| Hazen & Sawyer | New York | NY |
| Hazen and Sawyer | Greensboro | NC |
| Hazen and Sawyer | Boca Raton | FL |
| Hazen and Sawyer | Baltimore | MD |
| HDR Engineering, Inc. | Denver | CO |
| HEC Engineering | Mesa | CA |
| Henry Payne Engineers | Pelzer | SC |
| Hethcoat & Davis, Inc. | Brentwood | TN |
| Hidrocapital | Caracas | Venezuela |
| Holloway, Updike and Bellen, Inc. | Muskogee | OK |
| Horner Shifrin Engineers, Inc. | St. Louis | MO |
| Houston Engineering, Inc. | Bismarck | ND |
| Houston Engineering, Inc. | Fargo | ND |
| Howe Surveying Associates, Inc. | N. Chelmsford | MA |
| Huibregtse, Louman Associates, Inc. | Yakima | WA |
| Huitt-Zollars, Inc. | Tustin | CA |
| Huitt-Zollars, Inc. | Phoenix | AZ |
| Huitt-Zollars, Inc. | Dallas | TX |
| Hunt Engineers | Horseheads | NY |
| Hunt Engineers, Architects & Land Surveyors | Horsheads | NY |
| HYA Consulting Engineers | Pasadena | CA |
| Hyder Consulting Middle East Limited | Al Ain | U.A.E. |
| HydroScience | Napa | CA |
| Hyundai Engineering Co., Ltd. | Seoul | Korea |
| ID Modeling, Inc. | Pasadena | CA |
| IMS Experts-Conseils | Quebec | Canada |
| Infrastructure Engineering | Oceanside | CA |
| INGESAM | Cali | Columbia |
| Intech Group | Weston | FL |
| Integra Engineering | Denver | CO |
| Ivey, Harris & Walls, Inc. | Winter Park | FL |
| J. Crowley Group | Carmichael | CA |
| J.E. Saenz & Associates, Inc. | Edinburg | TX |
| Jacob & Martin, Ltd. | Abilene | TX |
| Jacobs Engineering | Cypress | CA |
| JL Richards and Associates | Ottawa | Canada |
| JM Lord, Inc. | Fresno | CA |
| JNS Consulting Engineers | Houston | TX |
| Joel B. Spaulding Co., Inc. | Nashville | TN |
| John Powell & Associates, Inc. | Encinitas | CA |
| John Wilson & Partners | Queensland | Australia |
| Johnson & Anderson, Inc. | Waterford | MI |
| Johnson Engineering Company | Yankton | SD |
| Johnson Engineering, Inc. | Ft. Meyers | FL |
| Joint Warfare Analysis Center (JWAC) | Dahlgren | VA |
| Jones and Boyd, Inc. | Forth Worth | TX |
| Jones Flint & Pike Pty, Ltd. | South Brisbane | Australia |
| Jordan Jones & Goulding | Norcross | GA |
| JR Engineering | Greenwood Village | CO |
| JUB Engineers, Inc. | Kaysville | UT |
| JUB Engineers,Inc. | Kennewick | WA |
| Keck & Wood, Inc. | Duluth | GA |
| Keller Associates | Meridian | ID |
| Keller Associates | Pocatello | ID |
| Kennedy/Jenks Consultants | San Diego | CA |
| Kennedy/Jenks Consultants | Seattle | WA |
| Kennedy/Jenks Consultants | San Francisco | CA |
| Kennedy/Jenks Consultants | Irvine | CA |
| Kerr Wood Leidal Associates, Ltd. | North Vancouver | Canada |
| Khatib & Alami | Beirut | Lebanon |
| Khatib & Alami | Janah | Lebanon |
| Khatib & Alami | Sharjah | U.A.E. |
| Kimley-Horn Associates, Inc. | Dallas | TX |
| Kimley-Horn Associates, Inc. | Fort Worth | TX |
| Kimley-Horn Associates, Inc. | Phoenix | AZ |
| King Engineering Associates, Inc. | Tampa | FL |
| Kingston Morrison Auckland Limited | Auckland | New Zealand |
| KLH Engineers | Pittsburgh | PA |
| KMK Consultants, Ltd. | Brampton | Canada |
| Krieger & Stewart, Inc. | Riverside | CA |
| KSA Engineers, Inc. | Lufkin | TX |
| Landtech Engineering | Springdale | AR |
| Larkin Group | Kansas City | MO |
| Law Engineering and Environmental Services, Inc. | San Diego | CA |
| Lee & Ro, Inc. | City of Industry | CA |
| Leedshill-Herkenhoff, Inc. | Albuquerque | NM |
| LG&T, Inc. | Socorro | NM |
| Litchfield Park Service Company | Litchfield Park | AZ |
| LNV Engineering | Corpus Christi | TX |
| Locus Solution Co., Ltd. | Seoul | Korea |
| Luhdorff Scalmanini Consulting Engineers | Woodland | CA |
| M.J.M. Engineering, LLC | Monroe | NY |
| Maak Technologies Group | Richmond Hill | Canada |
| MacKay & Somps | Roseville | CA |
| MACTEC, Inc. | Newberry | FL |
| MacViro Consulting Engineers, Inc. | Markham | Canada |
| Maguire Group | New Britain | CT |
| Malcolm Pirnie, Inc. | Jackson | MS |
| Malcolm Pirnie, Inc. | Jackson Heights | NY |
| Malcolm Pirnie, Inc. | Tucson | AZ |
| Malcolm Pirnie, Inc. | Wakefield | MA |
| Malcolm Pirnie, Inc. | White Plains | NY |
| Malcolm Pirnie, Inc. | Cincinnati | OH |
| Malcolm Pirnie, Inc. | Columbus | OH |
| McGoodwin, Williams and Yates | Fayetteville | AR |
| McGuire Engineers | Fort Smith | AR |
| McGuire Environmental Consultants, Inc. | Denver | CO |
| McKim & Creed | Cary | NC |
| McKim & Creed | Charlotte | NC |
| Merrell Johnson Engineering, Inc. | Victorville | CA |
| Merrick & Company | Aurora | CO |
| Metcalf & Eddy | Orange | CA |
| Metcalf & Eddy, Inc. | Norcross | GA |
| Metcalf & Eddy, Inc. | Wakefield | MA |
| Metro Engineers, Inc. | Arlington | TX |
| Metropointe Engineers | Costa Mesa | CA |
| Meurer & Associates, Inc. | Lakewood | CO |
| MHM Engineers | Marysville | CA |
| MHM Engineers | Roseville | CA |
| Mid-Kansas Engineering Consultants, Inc. | Wichita | KS |
| Missman, Stanley and Associates, P.C. | Rock Island | IL |
| MME | Santa Cruz | CA |
| Moreno Cardenas, Inc. | El Paso | TX |
| Morris Engineering, Inc. | Lisle | IL |
| Morrison Hersfield Limited | Ottawa | Canada |
| Morrison Maierle, Inc. | Helena | MT |
| Mott Connell, Ltd. | Hong Kong | China |
| MRB Group | Rochester | NY |
| Murray, Smith & Associates, Inc. | Portland | OR |
| Murray, Smith & Associates, Inc. | Rancho Cordova | CA |
| Murray, Smith & Associates, Inc. | Boise | ID |
| MWH AE-DUB-1 | Dubai | UAE |
| MWH Americas, Inc. | Portland | OR |
| MWH Americas, Inc. | Madison | WI |
| MWH Americas, Inc. | Salt Lake City | UT |
| MWH Americas, Inc. | Dallas | TX |
| MWH Americas, Inc. | Cleveland | OH |
| MWH Americas, Inc. | Cincinnati | OH |
| MWH Americas, Inc. | Utica | NY |
| MWH Americas, Inc. | New York City | NY |
| MWH Americas, Inc. | Las Vegas | NV |
| MWH Americas, Inc. | Indianapolis | IN |
| MWH Americas, Inc. | Anchorage | AK |
| MWH Americas, Inc. | Atlanta | GA |
| MWH Americas, Inc. | Sacramento | CA |
| MWH Americas, Inc. | Houston | TX |
| MWH Americas, Inc. | San Diego | CA |
| MWH Americas, Inc. | Walnut Creek | CA |
| MWH Americas, Inc. | Colorado Springs | CO |
| MWH Americas, Inc. | Baton Rough | LA |
| MWH Americas, Inc. | Miami | FL |
| MWH Americas, Inc. | Sunrise | FL |
| MWH Americas, Inc. | Tampa | FL |
| MWH Americas, Inc. | Pasadena | CA |
| MWH Arabtech Jardaneh | Amman | Jordan |
| MWH Australia Pty, Ltd. | Sydney | Australia |
| MWH Australia Pty, Ltd. | Brisbane | Australia |
| MWH Australia Pty, Ltd. | Melbourne | Australia |
| MWH Europe, Ltd. | Warrington | United Kingdom |
| MWH Europe, Ltd. | Wales | United Kingdom |
| MWH Europe, Ltd. | High Wycombe | United Kingdom |
| MWH Europe, Ltd. | Manchester | United Kingdom |
| MWH IN-Pun-1 | Pune | India |
| MWH New Zealand, Ltd. | Auckland | New Zealand |
| NA & Associates | Irvine | CA |
| National Computer Services, Ltd. | Safat | Kuwait |
| Navigant Consulting, Inc. | Rancho Cordova | CA |
| Nies Engineering, Inc. | Hammond | IN |
| Nihon Suido Consultants Co., Ltd. | Ujung Pandang | Indonesia |
| Nolte and Associates, Inc. | Sacramento | CA |
| Northern Engineering Services, Inc. | Fort Collins | CO |
| NorthStar Engineering | Chico | CA |
| Northstar Engineering & Surveying, Inc. | Pueblo | CO |
| Nova Consultants | St. John's | Canada |
| Novatech Engineering Consultants, Ltd. | Ottawa | Canada |
| NRS Consulting Engineers | Jonesboro | AR |
| NRS Consulting Engineers | Hot Springs | AR |
| Olivia Chen Consultants | San Francisco | CA |
| Olsson Associates | Lakewood | CO |
| Olsson Associates | Grand Island | NE |
| Olsson Associates | Holdrege | NE |
| Olsson Associates | Kansas City | MO |
| Olsson Associates | Lincoln | NE |
| Olsson Associates | South Sioux City | NE |
| Orchard, Hiltz & McCliment, Inc. | Livonia | MI |
| Ove Arup and Partners Hong Kong | Kowloon | Hong Kong |
| PACE | Kirkland | WA |
| PACE | Oregon City | OR |
| PACE Civil, Inc. | Redding | CA |
| PacWest Engineering | Fife | WA |
| Parkhill, Smith & Cooper, Inc. | El Paso | TX |
| Parsons | London | UK |
| Parsons | Plano | TX |
| Parsons Brinkerhoff, Inc. | Orlando | FL |
| Parsons Brinkerhoff, Inc. | Albuquerque | NM |
| Parsons Engineering Science, Inc. | Pasadena | CA |
| Parsons Engineering Science, Inc. | Fairfax | VA |
| Parsons Engineering Science, Inc. | Norcross | GA |
| Parsons Engineering Science, Inc. | Austin | TX |
| Pate Engineers | Fort Worth | TX |
| PB Water | Albuquerque | NM |
| Penco Engineering | Irvine | CA |
| Pentacore Engineering, Inc. | Las Vegas | NV |
| Perliter & Ingalsbe | Glendale | CA |
| Peterson, Brustad & Pivetti | Folsom | CA |
| Philips Engineering, Ltd. | Burlington | Canada |
| Pitt & Sherry | Tasmania | Australia |
| Planetary Engineers, Inc. | Corrales | NM |
| PNM Water Services | Sante Fe | NM |
| Post, Buckley, Schuch & Jernigan, Inc. | Winter Park | FL |
| Post, Buckley, Schuch & Jernigan, Inc. | Irvine | CA |
| Post, Buckley, Schuch & Jernigan, Inc. | Miami | FL |
| Post, Buckley, Schuch & Jernigan, Inc. | Orlando | FL |
| Post, Buckley, Schuch & Jernigan, Inc. | Austin | TX |
| PPK Environment & Infrastructure | Adelaide | Australia |
| Preferred Engineering | Federal Way | WA |
| Prein & Newhof | Byron Center | MI |
| Prein & Newhof | Grand Rapids | MI |
| Prein & Newhof | Holland | MI |
| Prein & Newhof | Kalamazoo | MI |
| Prein & Newhof | Muskegon | MI |
| Premier Design & Engineering | St. George | UT |
| PROCESL | Alges | Portugal |
| Professional Engineering Consultants, Inc. | Orlando | FL |
| Progressive Engineering, Ltd. | Calgary | Canada |
| Prosser Hallock | Jacksonville | FL |
| Provost & Pritchard Engineering Group | Visalia | CA |
| PS Konsultants | Kuching | Malaysia |
| Psomas & Associates | Los Angeles | CA |
| Psomas & Associates | Salt Lake City | UT |
| Psomas & Associates | Costa Mesa | CA |
| Quantum Technology Services, Inc. | Cape Canaveral | FL |
| Quartek Group, Inc. | Niagara-on-the-Lake | Canada |
| Quentin L. Hampton Associates | Daytona Beach | FL |
| R&B Engineering, Inc. | Auburn | CA |
| R&D Engineering | Soccoro | NM |
| R.J. Burnside & Associates, Ltd. | Collingwood | Canada |
| R.V. Anderson Associates Limited | Toronto | Canada |
| R.W. Beck, Inc. | Seattle | WA |
| R2T, Inc. | Alpharetta | GA |
| R3M Engineering | Old Bridge | NJ |
| Raines, Melton & Carella, Inc. | Walnut Creek | CA |
| Raines, Melton & Carella, Inc. | Sacramento | CA |
| Raines, Melton & Carella, Inc. | Lafayette | CA |
| RBF Consulting | San Diego | CA |
| Reiss Environmental, Inc. | Orlando | FL |
| RG Consulting Engineers, Inc. | Denver | CO |
| RH2 Engineering | Bothell | WA |
| Richard Brady & Associates | San Diego | CA |
| Richard Foster, Ltd | Barrie | Canada |
| RMF Engineering, Inc. | Baltimore | MD |
| Robert Bein, William Frost & Associates | Las Vegas | NV |
| Robert Bein, William Frost & Associates | Phoenix | AZ |
| Robert Bein, William Frost & Associates | Camarillo | CA |
| Robert Bein, William Frost & Associates | Walnut Creek | CA |
| Robert Bein, William Frost & Associates | Irvine | CA |
| Roberts Engineering | Porterville | CA |
| Robinson Consultants | Kanata | Canada |
| Rockett & Associates, Inc. | Winter Park | FL |
| Rocky Mountain Engineering & Surveying | Pocatello | ID |
| Rolls Anderson and Rolls | Chico | CA |
| Roman & Lougee Consulting Engineers | Redding | CA |
| Roth Hill Engineering Partners, LLC | Bellevue | WA |
| Roy F. Weston, Inc. | West Chester | PA |
| Royal Consulting Services, Inc. | Longwood | FL |
| RTW Engineering | Fort Collins | CO |
| RTW Engineering | Denver | CO |
| Ruekert & Mielke | Waukeska | WI |
| Sabra, Wang & Associates, Inc. | Baltimore | MD |
| SAIC | McLean | VA |
| |
