| American Water Operations And Maintenance, LLC | Camden | NJ | $769M |
| American Water Military Services, LLC | Camden | NJ | $399M |
| Old North Utility Services, Inc. | Fort Liberty | NC | $202M |
| Veolia Water West Operating Services Inc. | Boston | MA | $135M |
| American Water Enterprises, LLC | Camden | NJ | $120M |
| Fort Bliss Water Services Company | Fort Bliss | TX | $116M |
| Fort Riley Utility Services, Inc. | Fort Riley | KS | $115M |
| Emerald Coast Utility Services Inc. | Eglin Afb | FL | $109M |
| Washington Suburban Sanitary Commission | Laurel | MD | $97.2M |
| Base Utilities Inc. | Minot Afb | ND | $83.5M |
| Augusta-richmond County Government | Augusta | GA | $81.5M |
| Old Dominion Utility Services, Inc. | Fort Eustis | VA | $69.3M |
| Florida Governmental Utility Authority | Orlando | FL | $51.1M |
| Terrapin Utility Services, Inc. | Jb Andrews | MD | $44.4M |
| Berg Manufacturing, Inc. | Spokane Valley | WA | $44.3M |
| American States Utility Services Inc. | San Dimas | CA | $44.2M |
| Palmetto State Utility Services, Inc. | Columbia | SC | $41.2M |
| Evoqua Water Technologies LLCPittsburgh, PA · UEI HA3GWLK3JK58 | Pittsburgh | PA | $41M |
| Riverbend Water Resources District | New Boston | TX | $40.2M |
| Fluid Solutions LLC | Birmingham | AL | $36.9M |
| Central Coast Water Authority | Buellton | CA | $35.3M |
| Pural Water Specialty Co. , Inc. | Waipahu | HI | $27.7M |
| Ws Darley & Co. | Janesville | IA | $26.8M |
| Pyeongtaek-si Water And Sewage Business Place | Pyeongtaek-si | | $22.7M |
| City Of Wildwood City Hall | Wildwood | FL | $20M |
| California Water Service Co. | San Jose | CA | $20M |
| Coastline Ltd. | Alexandria | VA | $18M |
| Municipality Of Anchorage | Anchorage | AK | $17.7M |
| MGC Contractors Inc. | Phoenix | AZ | $15.8M |
| Harnett, County Of North Carolina | Lillington | NC | $15.8M |
| Bay State Utility Services, LLC | Buzzards Bay | MA | $13.6M |
| Jungbu Water Supply Office | Seoul | | $13.1M |
| Wigen Companies, Inc. | Chaska | MN | $11.4M |
| Evoqua Water Technologies LLCColorado Springs, CO · UEI CJF6S4UR1LM8 | Colorado Springs | CO | $10.1M |
| City Of Jacksonville | Jacksonville | AR | $9.29M |
| Golden Heart Utilities, Inc. | Fairbanks | AK | $8.97M |
| Evoqua Water Technologies, LLC | Pittsburgh | PA | $8.93M |
| Waterfleet, LLC | San Antonio | TX | $8.81M |
| New York City Water Board | Elmhurst | NY | $8.25M |
| Ed Rike Plumbing, Inc. | Brookville | OH | $7.62M |
| Pennsylvania - American Water Company | Mechanicsburg | PA | $7.61M |
| Florida Keys Aqueduct Authority | Key West | FL | $7.2M |
| California-american Water Company | San Diego | CA | $7.19M |
| City Of Fort Worth | Fort Worth | TX | $7.07M |
| On-track Construction, LLC | Nevada | IA | $6.35M |
| City Of Welch | Welch | WV | $6.27M |
| City Of Leavenworth | Leavenworth | KS | $6.07M |
| Herlong Public Utility District | Herlong | CA | $6.05M |
| Kyotango City | Kyotango-shi | | $5.85M |
| Raleigh County Public Service District | Sophia | WV | $5.81M |
| City Of Milan | Milan | MI | $5.73M |
| Solid Blend Technologies, Inc. | Dayton | OH | $5.47M |
| Optimum Environmental Corporation | Riddle | OR | $5.02M |
| Kanagawa Hoken Jigyousha Co.,ltd. | Yokohama | | $5.01M |
| Kentucky-american Water Company | Lexington | KY | $4.98M |
| Coventina Water, LLC | Riverview | FL | $4.96M |
| Preston County Public Service District No4 | Bruceton Mills | WV | $4.79M |
| Imperial Irrigation District | Imperial | CA | $4.53M |
| Prestonsburg City Utilities Commission | Prestonsburg | KY | $4.5M |
| Nor-cal Pump & Well Drilling, Inc. | Yuba City | CA | $4.5M |
| Lowndes County Board Of Commissioners | Valdosta | GA | $4.47M |
| Paintsville Utilities Commission | Paintsville | KY | $4.46M |
| Utility Systems Of Georgia, Inc. | Chicago | IL | $4.28M |
| Sheargold Limited | Ruislip | | $4.23M |
| Woodway Water Authority | Pennington Gap | VA | $3.98M |
| Mccreary County Water District | Whitley City | KY | $3.75M |
| City Of Berlin | Berlin | NH | $3.72M |
| Henry Miller Reclaimation District 2131 | Dos Palos | CA | $3.58M |
| Western Municipal Water District Of Riverside County | March Air Reserve Base | CA | $3.4M |
| Enviroh20 LLC | Waxahachie | TX | $3.34M |
| Agribusiness Development Corporation | Honolulu | HI | $3.28M |
| Liquitech, Inc. | Westmont | IL | $3.27M |
| Department Of Water Resources Oregon | Salem | OR | $3.25M |
| City Of Grand Coulee | Grand Coulee | WA | $2.93M |
| Green Water Solutions, LLC | Brookfield | OH | $2.92M |
| Tidewater Utilities Inc. | Dover | DE | $2.9M |
| Dublin San Ramon Services District | Dublin | CA | $2.82M |
| Hydro, Inc. | Hoschton | GA | $2.79M |
| City Of Newport News | Newport News | VA | $2.75M |
| Onsite Water Management LLC | Durham | NC | $2.69M |
| Bartow County Government | Cartersville | GA | $2.67M |
| Lifestream Watersystems, Inc. | Huntington Beach | CA | $2.67M |
| Agri Industries Inc. | Williston | ND | $2.66M |
| City Of Big Spring | Big Spring | TX | $2.65M |
| Virginia-american Water Company | Hopewell | VA | $2.61M |
| Columbia Resource Conservation District | Firebaugh | CA | $2.58M |
| City Of Forrest City | Forrest City | AR | $2.56M |
| Gyrene Engineering Management, LLC | New Baltimore | MI | $2.56M |
| Mayfort Milling Company Private Limited | Harare | | $2.52M |
| Fisch Drilling & Pump, Inc. | Hydesville | CA | $2.45M |
| Essential Utilities, Inc. | Bryn Mawr | PA | $2.42M |
| Iwc Innovations LLC | Indianapolis | IN | $2.35M |
| Comanche, County Of | Cache | OK | $2.3M |
| State Of California Department Of Water Resources | Sacramento | CA | $2.25M |
| Smi Solutions, Inc. | Huntington | WV | $2.22M |
| Veolia WTS Services USA Inc. | Norfolk | VA | $2.21M |
| Schuylkill County Municipal Authority | Pottsville | PA | $2.14M |
| Innoh2o Solutions LLC | Somerset | PA | $2.01M |
| Hanging Rock Excavation & Construction, Inc. | La Grande | OR | $2.01M |
| Watercourse Engineering, Inc. | Davis | CA | $2.01M |
