NAICS 221310 — WATER SUPPLY AND IRRIGATION SYSTEMS
Federal contract awards classified under NAICS code 221310 (WATER SUPPLY AND IRRIGATION SYSTEMS) cover 518 unique federal contracts (583 total action records) from USASpending.gov. The top contractors, awarding agencies, and geographic concentration below are aggregated from the highest-value awards in this market — the right view for sizing competition and identifying incumbents.
Top Contractors in NAICS 221310
Largest recipients of federal contract dollars in this NAICS code (ranked by total obligated value). These are the incumbent competitors to know if you sell into this market.
| Contractor | Awards | Total Obligated |
|---|---|---|
| AMERICAN WATER OPERATIONS AND MAINTENANCE, LLC | 9 | $1.7B |
| AMERICAN WATER MILITARY SERVICES, LLC | 2 | $222.0M |
| EMERALD COAST UTILITY SERVICES INC | 1 | $169.5M |
| AUGUSTA-RICHMOND COUNTY GOVERNMENT | 1 | $163.5M |
| FORT RILEY UTILITY SERVICES INC | 1 | $144.4M |
| OKLAHOMA CITY WATER UTILITIES TRUST | 1 | $134.5M |
| FLORIDA GOVERNMENTAL UTILITY AUTHORITY | 1 | $118.8M |
| BOARD OF WATER COMMISSIONERS OF COLUMBUS | 1 | $116.7M |
| FORT BLISS WATER SERVICES COMPANY | 1 | $111.5M |
| AMERICAN WATER ENTERPRISES, LLC | 2 | $110.7M |
Top Awarding Agencies
Federal agencies that obligate the most spending in NAICS 221310. Click any agency to see its full contract portfolio, top contractors, and sub-agencies.
| Agency | Awards | Total Obligated |
|---|---|---|
| Department of Defense | 110 | $3.6B |
| Department of Health and Human Services | 16 | $66.3M |
| National Aeronautics and Space Administration | 10 | $28.0M |
| Department of Veterans Affairs | 98 | $25.7M |
| Department of Justice | 66 | $22.1M |
| Department of the Interior | 54 | $9.1M |
| Department of Agriculture | 14 | $5.1M |
| Department of the Treasury | 12 | $2.9M |
| Department of Energy | 5 | $2.5M |
| National Archives and Records Administration | 8 | $2.4M |
Geographic Concentration
States where NAICS 221310 contract work is performed, ranked by total obligated value. Useful for sizing the local market and identifying state-level competitors.
| State | Awards | Total Obligated |
|---|---|---|
| TX | 25 | $544.5M |
| MD | 11 | $518.9M |
| LA | 9 | $350.9M |
| FL | 14 | $303.2M |
| VA | 20 | $293.4M |
| GA | 16 | $282.7M |
| KS | 9 | $146.1M |
| OK | 6 | $143.0M |
| WA | 6 | $119.6M |
| UT | 10 | $112.8M |
Most Recent Awards
RED LAKE BAND OF CHIPPEWA INDIANS
POTABLE WATER SERVICES
I-2-I SOLUTIONS, INC.
HINES RESPONSIBLE WATER OPERATOR ( BASE)
HERLONG PUBLIC UTILITY DISTRICT
FY26 DOMESTIC WATER SERVICE FEB AND MAR FY26 $25357.42 EACH
VIRGINIA WATER SYSTEMS, INC.
WATER SYSTEMS MAINTENANCE
VENERGY GROUP LLC
WATER CHEMICAL TESTING AND CONSULTATION SERVICES PERIOD OF PERFORMANCE 11/1/2025-12/31/2025
All Unique Contracts in NAICS 221310
Showing 518 unique contracts (one entry per PIID, deduped from modifications) sorted by total dollars obligated.
FLUID SOLUTIONS LLC
PMSC FOR DOMESTIC WATER TREATMENT PLANT (FY25-30)
MISCELLANEOUS FOREIGN AWARDEES
WATER FOR RESIDENCES 2025
FLUID SOLUTIONS LLC
MAINTENANCE ON WATER TREATMENT
MISCELLANEOUS FOREIGN AWARDEES
BOTTLED DRINKING WATER FOR CONSULATE OFFICES AND RESIDENCES
ENGIE EC SLUPSK SP. Z O.O.
HOT WATER UTILITY SERVICE POLAND
MISCELLANEOUS FOREIGN AWARDEES
LHE FAC WH EFF DEE WATER COMPANY SUPPLY OF POTABLE WATER
MISCELLANEOUS FOREIGN AWARDEES
WATER FILTRATION SYSTEM NANO
SOUTHERN PETROLEUM LABORATORIES, INC.
---------- COMMENTS: PROVIDE WATER SAMPLE ANALYSIS FOR COLIFORM BACTERIOLOGICAL SAMPLES FOR THE FALCON DAM FIELD OFFICE WATER DISTRIBUTION SYSTEM. FY25 POP 10/01/2025 TO 9/30/2026 1900 2025 19__510690000 IBWC 3093 3723 309316 2589 IT REQUEST STATUS:
MISCELLANEOUS FOREIGN AWARDEES
ISB-MH-FAC-FY26-BPA FOR NEC WATER PROVISION 01 (ICASS)
EVOQUA WATER TECHNOLOGIES LLC
PREVENTATIVE MAINTENANCE SERVICE FROM OEM ON EVOQUA EQUIPMENT
MISCELLANEOUS FOREIGN AWARDEES
WATER TREATMENT OF HVAC WATER SYSTEMS
FLUID SOLUTIONS LLC
[19CB6018D0002]-RENEWBME CONTRACT FOR POTABLE HVAC WTP OPTY2
CAROLINA WATER SPECIALTIES LLC
MTM-FAC-OBO-M&R-CARBON TANK-URGENT
COLUMBIANA COUNTY
WATER SERVICES FOR FCI ELKTON FOR FY26
THE MACLEAN GROUP LLC
CHEMICAL WATER TREATMENT
MUNICIPALITY OF ANCHORAGE
IGF::OT::IGF UTILITIES, WATER SEERVICE
MISCELLANEOUS FOREIGN AWARDEES
BPA SETUP LA CASA DE LAS PISCINAS FOR POOL SUPPLIES
BONA VISTA WATER IMPROVEMENT DISTRICT
WATER - SEWER SERVICES FOR OGDEN, UT