| R. E. Pedrotti Company, Inc. | Mission | KS | $123K |
| Emerson Ralph | Murphys | CA | $114K |
| U.S. Water Services Corporation | New Port Richey | FL | $101K |
| Water Professional Services, LLC | Woodford | VA | $97.3K |
| Wright-pierce | Topsham | ME | $95K |
| National Water Main Cleaning Company | Kearny | NJ | $93K |
| Central Contra Costa Sanitary District | Martinez | CA | $88.5K |
| Billy Whaley | Del Rio | TX | $87K |
| City Of John Day | John Day | OR | $86.5K |
| City Of Cumming | Cumming | GA | $84.1K |
| Jersey City Municipal Utilities Authority | Jersey City | NJ | $83.8K |
| The C. I. Thornburg Co. Inc. | Huntington | WV | $81.4K |
| Scoggins' Welding & Machine Shop, Inc. | Richland | MS | $81K |
| Effluent LLC | Hudgins | VA | $73.8K |
| Instrulink LLC | Phoenix | AZ | $72.7K |
| Legacy Environmental Process LLC | Odenville | AL | $69.1K |
| Bobby Meeks Environmental Services, L.L.C | Bessemer | AL | $68.7K |
| Winelco Inc. | West Chester | OH | $66.7K |
| Clivus New England, Inc. | Lawrence | MA | $58.9K |
| Aquality Water Management, Inc. | Roseville | CA | $57.3K |
| Treviso Ecoservizi S.R.L. | Maser | TUV | $55.6K |
| Stanley Sewer Association, Inc. | Stanley | ID | $53.4K |
| Ellison Environmental Inc. | Arroyo Grande | CA | $50.9K |
| Premier Products Public Company Limited | Prawet | | $50.3K |
| Atlantic Pump & Equipment Co. Inc. | Richmond | VA | $48.9K |
| House Of Balance, Inc. | Elkridge | MD | $45.8K |
| Eastern Shoshone Tribe | Fort Washakie | WY | $45.3K |
| Petersburg Borough | Petersburg | AK | $42.4K |
| Integration & Control Solutions LLC | Albuquerque | NM | $39.8K |
| Tsigonis Companies, Inc. | Fairbanks | AK | $38.9K |
| Environmental Technical Sales, LLC | Baton Rouge | LA | $33.4K |
| Bozeman Inc. | Denham Springs | LA | $32.2K |
| Payette Lakes Recreational Water & Sewer District | Mccall | ID | $30.3K |
| Chappell, Vincent W | Seeley Lake | MT | $29.7K |
| Pamaq Sa | San Lorenzo | | $28.5K |
| Jersey Environmental Solutions LLC | Lumberton | NJ | $28.5K |
| Louisiana Environmental Monitoring Inc. | Lafayette | LA | $24.2K |
| Hydra Service (S), Inc. | Warrior | AL | $20K |
| Treyco S A S | Bogota | | $16.9K |
| Keco Inc. | San Diego | CA | $16.9K |
| The Craun Liebing Company | Westlake | OH | $16.8K |
| Weaverville Sanitary District | Weaverville | CA | $13.8K |
| Johnson's Services Incorporated | De Queen | AR | $7,585 |
| Blessed Wastewater Solutions LLC | Captain Cook | HI | $3,800 |
| R.h. White Construction Co. Inc. | Auburn | MA | $3,326 |
| Odell Santary District | Hood River | OR | $3,030 |
| County Of Johnson | Olathe | KS | $2,000 |
| City Of Walters | Walters | OK | $600 |
| Leadville Sanitation District | Leadville | CO | $550 |
| City Of Sanibel | Sanibel | FL | $87 |
| Aka Su Teknolojileri Anonim Sirketi | Ankara | | $0 |
| Alls Clear Services LLC | Boonton | NJ | $0 |
| Alvarez Contractors, Inc. | Spring Dale | WV | $0 |
| Andritz Separation Inc. | Arlington | TX | $0 |
| Aquatech Septic & Underground, LLC | Vinton | TX | $0 |
| Asotin, City Of | Asotin | WA | $0 |
| Bell County Water Control & Improvement District 1 | Killeen | TX | $0 |
| Boede Construction Inc. | Stayton | OR | $0 |
| Boss Construction, Inc. | Bellingham | WA | $0 |
| Breckenridge Corporation | Buckhannon | WV | $0 |
| Charleston Sanitary Board | Charleston | WV | $0 |
| Chubu Giken, Y.k. | Okinawa | | $0 |
| City Of Cocoa Beach | Cocoa Beach | FL | $0 |
| City Of Jacksonville | Jacksonville | AR | $0 |
| City Of Marfa | Marfa | TX | $0 |
| City Of Toledo | Toledo | OH | $0 |
| Clark Bros., Inc. | Fresno | CA | $0 |
| Clearbrook, L.L.C. | Mobile | AL | $0 |
| County Of Volusia | Deland | FL | $0 |
| DC Frost Associates Inc. | Midvale | UT | $0 |
| Desilva Engineering Co. Ltd. | Hiroshima-shi | | Subcontractor |
| Dowtech Specialty Contractors, Inc. | Baird | TX | $0 |
| East Bay Municipal Utility District | Oakland | CA | $0 |
| Ecostruct Group LLC | Pleasant View | TN | $0 |
| Envirep, Inc. | Camp Hill | PA | Subcontractor |
| Environmental Equipment, Inc. | Mechanicsville | VA | $0 |
| Eti Services, Inc. | Malvern | AR | $0 |
| Excel Construction Services, LLC | Pflugerville | TX | $0 |
| Fairfield-suisun Sewer District | Fairfield | CA | $0 |
| Flow-technics Inc. | Frankfort | IL | $0 |
| Greater Peoria Sanitary & Sewage Disposa | Peoria | IL | $0 |
| Grignard Company LLC | Rahway | NJ | $0 |
| Hampton Roads Automation, LLC | Waverly | VA | Subcontractor |
| Headworks International, Inc. | Houston | TX | $0 |
| Jm | Jeonju | JEONBUK | $0 |
| Korte & Luitjohan Contractors Inc. | Highland | IL | $0 |
| Kovacs Construction Corporation | Oxford | CT | $0 |
| Lane's Mobile John, Inc. | Benton | KY | $0 |
| Lew Henley Sewage Disposal, LLC | St Thomas | VI | $0 |
| Mahatta Trading Co. W.L.L. | Safat | | Subcontractor |
| Marolf Environmental LLC | New Port Richey | FL | Subcontractor |
| M. B. Kahn Construction Co. Inc. | Columbia | SC | $0 |
| Mcnamara Pump & Electric, Inc. | San Marcos | CA | $0 |
| Metropolitan Industries Inc. | Romeoville | IL | $0 |
| Middletown Sewerage Authority | Belford | NJ | $0 |
| Midwest Contract Operations Inc. | Menasha | WI | $0 |
| Mt View Sanitary District | Martinez | CA | $0 |
| Nac Heavy Highway Inc. | Lexington | KY | Subcontractor |
| North Davis Sanitary District | Syracuse | UT | $0 |
| Nutri-ject Systems, Inc. | Hudson | IA | $0 |
