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.
MOAPA VALLEY WATER DISTRICT
PROVIDE WATER UTILITY SERVICES FOR THE MEDICAL BUILDING LOCATED AT THE PROPERTY KNOWN AS THE MOAPA SERVICE UNIT.
MISCELLANEOUS FOREIGN AWARDEES
N/A
GILBRIDE'S AQUA SERVICE, LLC
LA-SE LA REFUGES-WATER PLANT REPAIR
AQUA-SERV ENGINEERS, INC.
ANNUAL COOLING TOWER CLEANING SERVICE
MISCELLANEOUS FOREIGN AWARDEES
PR12041934
GREGORY JR EDWARD
WATER SOFTENER CONTRACT FOR COMPLEX FY 2026
MISCELLANEOUS FOREIGN AWARDEES
PR12872034
APOLLO TECHNOLOGY GROUP LLC
PURELINE CHLORINE DIOXIDE GENERATOR MAINT MINNEAPOLIS VA HEALTH CARE SYSTEM, MINNEAPOLIS, MN. OY3 TO.
MISCELLANEOUS FOREIGN AWARDEES
N/A
EVOQUA WATER TECHNOLOGIES LLC
DI TANK MAINTENANCE
VXM SOLUTIONS LLC
COOLING TOWER SERVICE AGREEMENT FOR USCG BASE MIAMI BEACH
AUTOMATION AND ENGINEERING SUPPORT
PMSC - CMR RESIDENCE WATER TREATMENT SYSTEM MAINTENANCE CONTRACT
IXOM WATERCARE INC
ANNUAL TTHM SERVICE TO KATHERINE LANDING CONCRETE TANK - LAKE MEAD NRA, AZ
MISCELLANEOUS FOREIGN AWARDEES
N/A
MISCELLANEOUS FOREIGN AWARDEES
N/A
J. HARRIS INDUSTRIAL WATER TREATMENT, INC
WATER PURIFYING SERVICE.
COAST CHLORINATOR & PUMP CO INC
EMERGENCY REPAIR OF WATER WELL 16 AT BILOXI, MS CAMPUS
RUBICON SYSTEMS AMERICA INC
E27 MAINTENANCE OF WATER GATES AT LDCA
MISCELLANEOUS FOREIGN AWARDEES
PR12831421
MISCELLANEOUS FOREIGN AWARDEES
N/A
CITY OF LAS CRUCES
MISSION ESSENTIAL FOR FY2026 UTILITY SERVICES ARE REQUIRED FOR DAILY OPERATIONS OF THE IBWC LAS CRUCES FACILITY IN THE EXECUTION, CONTINUATION, AND COMPLETION OF MISSIONS/PROJECTS/WORK TASKS ASSIGNED TO THE UPPER RIO GRANDE OFFICE, INTERNATIONAL BOUN
ALBUQUERQUE BERNALILLO COUNTY WATER UTILITY AUTHORITY
WATER/SEWER/REFUSE SERVICES FOR ABQ/SPA HDQRTS.
MISCELLANEOUS FOREIGN AWARDEES
N/A
HEADQUARTERS OF POHANG WATERWORKS
WATER SERVICE FOR CAMP MUJUK FROM 1 NOV. 2025 TO 31 DEC. 2025.
URVAN ENVIRONMENT OFFICE WATERWORKS DIVISION
WATER SERVICE FOR CAMP KWANGSARI FROM 1 NOV. 2025 TO 31 JAN. 2026.