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.
COASTLINE LTD.
SI WIDE WATER TREATMENT REPAIRS.
AVIATE ENTERPRISES, INC.
WATER TANK EQUIPMENT, CHEMICALS AND ANNUAL MAINTENANCE SERVICES FOR A BASE YEAR PLUS 4 ADDITIONAL OPTION YEARS
WATER DISTRICT 1
IDWR - WATER DIST #1 FY23
CITY OF BOULDER CITY
WATER UTILITY SERVICES FOR LCB
CITY OF SALEM
WATER AND SEWAGE FOR CHEMAWA
EVOQUA WATER TECHNOLOGIES LLC
REVERSE OSMOSIS EQUIPMENT PREVENTIVE MAINTENANCE
KURITA AMERICA INC
ZMP ARTCC WATER TREATMENT SERVICES, MN
WARRIOR DYNAMICS LLC
CTX BOILER WATER TREATMENT
ENREC ENTERPRISES INC
EKHCS SPS RO SYSTEMS AND PM&R SERVICES *** ORDERING PERIOD 1 ***
PORR GOVERNMENT SERVICES GMBH
REPLACEMENT OF KNIFE GATE VALVES WITH THE CORRESPONDING ELECTRIC MOTOR DRIVE AT THE RAINWATER RETENTION BASIN (RRB) SUED AT SPANGDAHLEM AIR BASE, GERMANY.
SACRAMENTO SUBURBAN WATER DISTRICT
NCCC PC SSWD UTILITY BASE
EVOQUA WATER TECHNOLOGIES LLC
DEIONIZED WATER PURIFICATION SYSTEM
LANGELL VALLEY IRRIGATION DISTRICT
CLEAR LAKE & GERBER DAM OPERATIONS SUPPORT
TURTLE MOUNTAIN PUBLIC UTILITIES COMMISSION
UTILITIES-SEWER & WATER SERVICE
CULLIGAN ULTRAPURE, INC.
WATER SYSTEMS SERVICES & MAINTENANCE
GUNSAN CITY HALL CLIMATE AND ENVIRONMENT BUREAU
WATER SERVICE FOR KUNSAN AIR BASE FROM 1 NOV. 2025 TO 31 OCT. 2026.
MOLLMAN WATER CONDITIONING, INC
DE-IONIZED WATER SYSTEMS LEASE AND MAINTENANCE SERV C25-005RN
PIONEER WELLS, INC.
POTABLE WATER DELIVERY SERVICE FOR EIELSON AFB, AK IAW PWS DATED 19 OCT 2022.
SARANDREA ASSOCIATES GROUP CORP
WATER TREATMENT SYSTEM OPERATION MAINTENANCE AND DOCUMENTATION, BACTERIOLOGICAL TESTING, NITRATE AND NITRITE TESTING.
VIRGINIA WATER SYSTEMS, INC.
PREVENTIVE MAINTENANCE & SERVICE TO HAMPTON PATH & LAB WATER PURIFICATION SYSTEM
INDUSTRIAL WATER ENGINEERING, INC.
NMVAHCS REQUIRES WATER TREATMENT SERVICES FOR THEIR POTABLE WATER.
CITY OF COLUMBUS LIGHT & WATER DEPT
IGF::OT::IGF CITY OF COLUMBUS UTILITIES
CITY OF LEAVENWORTH
CITY OF LEAVENWORTH WATERWORKS BILL FY26 DEC 25
MISCELLANEOUS FOREIGN AWARDEES
FM-PMSC- CH WATER TREATMENT 9/29/2022-9/28/2023 BASE YEAR
PHOENIX PUMPS INC
GRCA ROTOJET PUMP MAINTENANCE BPA CALL