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.
DOFINE SPRINKLER REBUILDERS INC
CONTROL PANEL AND GUIDANCE FOR IRRIGATION SYSTEM
UNLIMITED SUPPORT SERVICES LLC
POTABLE WATER SAMPLING - FY 2026
NAVAJO NATION TRIBAL GOVERNMENT
WATER PERMITS FOR BIE AZ FACILITY MANAGEMENT
S4 WATER SALES AND SERVICE, LLC
CHILLED WATER SYSTEM TREATMENT
EVOQUA WATER TECHNOLOGIES LLC
NEW BASE + 4 YEAR ENDOTOXIN FILTER REPLACEMENT AND CRITICAL WATER ST-108 COMPLIANT PROGRAM FOR THE SEA CAMPUS
HERLONG PUBLIC UTILITY DISTRICT
FY26 DOMESTIC WATER SERVICE JANUARY FY26
HERLONG PUBLIC UTILITY DISTRICT
FY26 DOMESTIC WATER SERVICE NOVEMBER FY26
HERLONG PUBLIC UTILITY DISTRICT
FY26 DOMESTIC WATER SERVICE DECEMBER FY26
HERLONG PUBLIC UTILITY DISTRICT
FY26 DOMESTIC WATER SERVICE OCTOBER FY26
AMERICAN VET SOLUTIONS INC
WATER TREATMENT SERVICE FOR HEATING AND COOLING SYSTEMS AT THE USCG ACADEMY - NEW LONDON, CT BASE + 4 OPTIONS
KLENZOID INC
INSTAWATER TREATMENT SERVICE CONTRACT
MISCELLANEOUS FOREIGN AWARDEES
NDJAM-FAC/ STOCK REPLENISHMENT FOR WATER PURIFICATION SYSTEM
AVIATE ENTERPRISES, INC.
BOILER WATER CHEMICAL TREATMENT SERVICES
PKR INC
LAB WATER SERVICES
FIRST MESA CONSOLIDATED VILLAGES
WATER / SEWER SERVICES FOR FMES
HOUSEN HEALTH SERVICES, INCORPORATED
SECONDARY WATER TREATMENT FOR LEGIONELLA
CALIFORNIA WATER SERVICE CO
CT WATER SERVICE FOR MPCO
KAWEAH PUMP, INC
CA SAN LUIS NWR PUMP REPAIRS MERCED NWR
PYEONGTAEK-SI WATER AND SEWAGE BUSINESS PLACE
WATER SERVICE FOR USAG HUMPHREYS FROM 1 NOV. 2025 TO 31 JAN. 2026.
CITY OF WEST POINT
IGF::OT::IGF WEST POINT WATER SERVICE
PUROLOGIX WATER SERVICES, INC
FOLLOW ON CONTRACT FOR WATER FILTRATION FOR POTABLE WATER AT CENTURY STATION FB
HYDRO SERVICE & SUPPLIES INC.
REVERSE OSMOSIS AND DE-IONIZATION WATER SERVICES.
THE NEXT LEVEL OF PERFORMANCE, LLC.
EMERGENCY REPAIR OF COOLING TOWERS
TOWN OF WILKESBORO
WATER/SEWER UTILITY SERVICES A W. KERR SCOTT DAM AND RESERVOIR, WILKESBOBO, NORTH CAROLINA.
CHEROKEE COUNTY WATER & SEWERAGE AUTHORITY
PROVIDE ELECTRICAL UTILITY SERVICES FOR THE ALLATOONA LAKE SITE OFFICE-CARTERSVILLE GEORGIA. WATER UTILITY SERVICES WILL BE PROVIDED FOR A PERIOD OF TEN (10) YEARS AT AN ESTIMATED COST OF $500,000.00.