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.
WATERSIDE INDUSTRIAL INC
SOLID WATER TREATMENT PLAN
CITY AND COUNTY OF SAN FRANCISCO
WATER SERVICE (UTILITY)
CITY OF HOUSTON
IGF::OT::IGF WATER AND SEWAGE SERVICE CONTRACT
HYDRO SERVICE & SUPPLIES, INC.
PROVIDE LAB WATER PURIFICATION SYSTEM SERVICES FOR NIEHS AT RESEARCH TRIANGLE PARK, NC
CITY OF BERLIN
FY25 BERLIN WATER WORKS P4 INSTITUTIONAL WATER SUPPLY
EVOQUA WATER TECHNOLOGIES LLC
EVOQUA WATER PURIFICATION SYSTEM MAINTENANCE SERVICES
PARAMOUNT CONSTRUCTION GROUP, LLC
WATER WELL TESTING SERVICES, JACKSON, MS
CITY OF EL RENO
PURCHASE ORDER FOR WATER SERVICE FOR FCI EL RENO FY 26 ACTUAL DUE DATE BASED ON UTILITY TARIFF DATE *PRIOR KNOWLEDGE OF THESE SERVICES ARE APPROVED AND JUSTIFIED BY CONTRACTING AND FACILITIES MANAGER*
REVISED CIBOLA VALLEY IRRIGATION AND DRAINAGE DISTRICT
E5 CIBOLA VALLEY IRRIGATION WATER AND SERVICE
NAVAJO TRIBAL UTILITY AUTHORITY
NATURAL GAS, WATER & WASTEWATER UTILITY SERVICES FOR QUARTERS
LIQUITECH, INC
WATER TREATMENT AND SYSTEM MAINTENANCE SERVICE
INTERNATIONAL CHEMSTAR INCORPORATED
WATER TREATMENT CONTRACT
CITY OF WELCH
CITY OF WELCH - WATER & SEWER FY 2026 CONTRACT #15B12220D00000030
CLARKSBURG WATER BOARD
FY26 WATER UTILITY SERVICE AT THE CJIS DIVISION CAMPUS
CITY OF PHILADELPHIA DEPARTMENT OF REVENUE WATER REVENUE BUREAU B0610658047
POTABLE WATER SERVICE
TOWN OF ALDERSON
FPC ALDERSON WATER AND WASTEWATER 1Q FY26 TASK ORDER CONTRACT #DJBP010100000061
HODSDON A E
OPERATION AND MAINTENANCE OF A WATER FILTRATION AND DISTRIBUTION SYSTEM AT USCG STATION JONESPORT, ME.
R. P. FINCH, INC.
FY23 BASE YEAR SERVICE AGREEMENT FOR WATER AND WASTEWATER TREATMENT PLANT
CLARKSBURG WATER BOARD
FY25 WATER UTILITY SERVICE AT THE CJIS DIVISION CAMPUS
ROSS COUNTY WATER COMPANY, INC.
FY25 DEREGULATED WATER ORDER FOR CHILLICOTHE VAMC 07/13/2025 - 09/30/2025.
J3 ENTERPRISE LLC
REVERSE OSMOSIS PM SERVICES
COVENTINA WATER, LLC
REVERSE OSMOSIS SYSTEM SERVICES
GUNSAN CITY HALL CLIMATE AND ENVIRONMENT BUREAU
WATER SERVICE FOR KUNSAN AIR BASE FROM 1 SEP. 2025 TO 31 OCT. 2025.
JOCH ENTERPRISES LLC
CRITICAL WATER MAINTENANCE
CITY OF DANBURY CT
WATER AND WASTEWATER UTILITY SERVICE FCI DANBURY FY26