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.
DOANE AND HARTWIG WATER SYSTEMS, INC
FOR NAVY PROJECT 1097CBS DH SIMPLIEX WALL MOUNT SKID- SODIUM HYPOCHLORITE, AMMONIA, CB CONTROL PANEL
VIRGINIA WATER SYSTEMS, INC.
RODI PREVENTIVE MAINTENANCE
I-2-I SOLUTIONS, INC.
HINES RESPONSIBLE WATER OPERATOR ( BASE)
C.C. SANITAIRE S.A.R.L
FMS-FWP#265-GENEVA-FIRE HOOK UP INSTALLATION
COUNTY OF DAGGETT
FG WATER AND SEWER SERVICES
EVOQUA WATER TECHNOLOGIES LLC
PREVENTATIVE MAINTENANCE SERVICE FROM OEM ON EVOQUA EQUIPMENT
SECO GROUP, LLC
HYPERCHLORINATION
OHIO COUNTY PUBLIC SERVICE DISTRICT
WATER, SEWAGE, AND FIRE PROTECTION UTILITY SERVICES FOR THE MINE SAFETY AND HEALTH ADMINISTRATION (MSHA) APPROVAL AND CERTIFICATION CENTER (A&CC) IN TRIADELPHIA, WEST VIRGINIA.
AVIATE ENTERPRISES, INC.
ANNUAL MAINTENANCE OF LEGIONELLA TESTING EQUIPMENT
H-O-H WATER TECHNOLOGY, INC.
EO14042 PROVIDE ALL LABOR, MATERIALS, SUPPLIES AND EQUIPMENT TO PERFORM WATER TREATMENT SERVICES AT THE CHICAGO TRACON(IN READING, ELGIN, IL). ALL WORK SHALL BE IN ACCORDANCE WITH FAA SOWS AND DOL WAGE DETERMINATIONS.
ARABIC INTERPRETERS LLC
MTAO - PROCESS PIPING HELLGATE WATER SYSTEM
HANNAH INDUSTRIES INC
IONIZED WATER TREATMENT SYSTEM- EQUIPMENT UPGRADE AND MONTHLY WATER TREATMENT SERVICES FOR BASE PLUS 4 OPTION YEARS.
HEADQUARTERS, DAEGU WATERWORKS
WATER SERVICE FOR DAEGU AREA FROM 1 JULY 2025 TO 31 OCTOBER 2025.
SUNCOAST WATER INC
IGF OT IGF OTHER FUNCTION WATER SOFTENER MAINTENANCE SERVICE
MISCELLANEOUS FOREIGN AWARDEES
MEX-FAC-7901-PMSC 93-CHA-WATER TREATMENT SYSTEMS-FY23
ARABIC INTERPRETERS LLC
MTAO - UNDERGROUND PIPING, FOR HELLGATE CAMPGROUND WATER SYSTEM
VERDA MEDICAL SYSTEMS, LLC
SPS MAINTENANCE CONTRACT DCVAMC
J C PRODUCTS LLC
5 YEAR SERVICE CONTRACT FOR WATER TREATMENT SERVICE AT THE APHIS/PPQ/PRF FACILITY IN PHOENIX, AZ
SEONG NAM CITY HALL
WATER SERVICE FOR K-16 AND CP TANGO FORM 1 NOV. 2025 TO 31 JAN. 2026.
ABSOLUTE WATER TECHNOLOGIES L.L.C.
REVERSE OSMOSIS PREVENTATIVE MAINTENANCE & TESTING FOR STL VAMC - ORDERING PERIOD 3
EVOQUA WATER TECHNOLOGIES LLC
WATER SERVICE 3.6 C
ENVIRONMENTAL QUALITY, INC.
POTABLE WATER AND PLANT MITIGATION SVCS
LIBERTY UTILITIES (LITCHFIELD PARK WATER & SEWER) CORP.
WATER UTILITY
REDLANDS WATER AND POWER COMPANY
BOR GJO REDLANDS WATER AND POWER SHARES PAYMENT FOR 2024-2029
GEORGE A WILFONG
WATER AND WASTE TESTING WV FWS CANAAN VLY NWR