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.
PENNSYLVANIA - AMERICAN WATER COMPANY
PA AMERICAN WATER - PGH WATER UTILITY SERVICES
FORTE INSURANCE (CAMBODIA) PLC
HRO-HEALTH INSURANCE, OPTION YEAR TWO, Q3 (2/8/26-5/2/26)
FORTE INSURANCE (CAMBODIA) PLC
HRO-HEALTH INSURANCE, OPTION YEAR TWO, Q2 (11/16/25-2/7/26)
TWO MEDICINE WATER CO
TWO MEDICINE WATER
SENTINEL SERVICES, LLC
RO AND DI WATER SYSTEM LEASE
LUKE A MCCLELLAND
PSICC CERTIFIED WATER OPERATOR CY25 TO CY29 OY1.
EVOQUA WATER TECHNOLOGIES LLC
REQUIREMENT FOR EVOQUA WATER TECH
MORGANTOWN UTILITY BOARD
MORGANTOWN WATER UTILITY
CLAYTON COUNTY WATER AUTHORITY
NEW WATER AND SEWER CONTRACT AT THE ATLANTA ARCHIVES.
EAST LOWNDES WATER ASSOCIATION, INC
IGF::OT::IGF, TENNESSEE TOMBIGBEE WATERWAY WATER
ALBUQUERQUE BERNALILLO COUNTY WATER UTILITY AUTHORITY
WATER UTILITY SERVICE FOR SOUTHWESTERN INDIAN POLYTECHNIC INSTITUTE (SIPI).
CITY OF CINCINNATI
CINCINNATI WATER UTILITY
AMERI SERV WATER TECHNOLOGY, LLC
WATER CHEMICAL AND FUEL TREATMENT FOR THE JACKSONVILLE ARTCC, HILLIARD, FL, PERIOD OF PERFORMANCE 1 APRIL 2022 BASE PERIOD- PLUS 4 OPTION YEARS
FLUENCE ITALY S.R.L.
REPAIR OF WATER TREATMENT SYSTEM AT BLDG. 455 EDERLE. INCLUDES ELECTRICAL REVAMPING, CARBON REPLACEMENT AND RESTARTING THE PLANT AFTER REVAMPING AND REPLACEMENT OF COAL.
EVOQUA WATER TECHNOLOGIES LLC
MAINTENANCE & SUPPORT CONTRACT FOR ELGA CENTRA CENTRALIZED WATER DISTRIBUTION SYSTEM
PATTERSON PROFESSIONAL SERVICES LLC
FY25 LAKE TEXOMA WATER AND WASTEWATER PLANT OPERATIONS AND MAINTENANCE SERVICE
GUNSAN CITY HALL CLIMATE AND ENVIRONMENT BUREAU
SEWAGE SERVICE FOR KUNSAN AIR BASE FROM 1 SEP. 2025 TO 31 OCT. 2025.
CITY OF FLORENCE
FY25 P4 CITY OF FLORENCE WATER SEP 25 SEPTEMBER 1, 2025 THROUGH SEPTEMBER 30, 2025
WOODWAY WATER AUTHORITY
WOODWAY WATER SERVICES FOR OCT - DEC FY 26 CONTRACT #15B11720D00000014
WARRIOR DYNAMICS LLC
CHILLER WATER TREATMENT SERVICES- BASE PLUS 4 OPTION YEARS
CORE CONTRACTING GROUP
REPLACEMENT OF IRRIGATION PUMPS/MOTORS AT KATHERINE'S LANDING AT LAKE MEAD NATIONAL RECREATION AREA.
WOODWAY WATER AUTHORITY
WOODWAY WATER SERVICES FOR JULY - SEPT FY 25 CONTRACT #15B11720D00000014
COLUMBIANA COUNTY
COLUMBIANA COUNTY SEWER SERVICES FY26
CALHOUN & DEJONG INC
AMIAD AMF-93K FILTER REPLACEMENT PARTS
GULFPORT, CITY OF
CITY OF GULFPORT WATER/SEWER SERVICES