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.
COMPLETE WATER SOLUTIONS LLC
7901-FAC/NEC-REVERSE OSMOSIS PUMPS
EVOQUA WATER TECHNOLOGIES LLC
PROVIDE SUPPORT FOR THE MAR COR PORTABLE RO UNITS
TOWN OF EMMITSBURG
WATER/SEWER FOR NETC
TOWN OF ANDOVER
WATER CONTRACT FOR THE ANDOVER FACILITY FROM 10/01/2025 - 09/30/2026.
WATER AUTHORITY, BUSAN METROPOLITAN CITY, KOREA
WATER SERVICE FOR BUSAN AREA FROM 1 NOV. 2025 TO 31 DEC. 2025.
NAVAJO TRIBAL UTILITY AUTHORITY
WATER SERVICES FOR DIBEYAZH HABITIIN OLT
ECOLAB QUIMICA LTDA
BSB|FAC| ICASS. SAFE DRINKING WATER PROGRAM
USA CONSTRUCTION CO
FLAG-REPLACE H20 DISTRIBUTION COMPONENTS
MISCELLANEOUS FOREIGN AWARDEES
SP/MULTI-AGENCY - WATER PURIFIERS F/ RESIDENCES 2025/2030
HEADQUARTERS, DAEGU WATERWORKS
WATER SERVICE FOR DAEGU AREA FROM 1 NOV. 2025 TO 31 DEC. 2025.
WATER WORKS NO 9
THIS IS A SOLE-SOURCE ACQUISITION TO PROVIDE POTABLE WATER TO THE SPR WEST HACKBERRY SITE. THE PLANNED CONTRACT WILL BE A FIXED PRICE SERVICE CONTRACT WITH EQUITABLE RATE ADJUSTMENTS AS ALLOWED BY THE REGULATORY BODY. IT WILL HAVE A 10-YEAR CONTRAC
MAYFORT MILLING COMPANY PRIVATE LIMITED
BULK WATER SUPPLY ICASS AUGUST TO OCTOBER 2025
GARRATT-CALLAHAN COMPANY
EMERGENCY WASTE WATER TESTING
COPEVILLE SPECIAL UTILITY DISTRICT
LAVON WATER UTILITY SERVICES
PYEONGTAEK-SI WATER AND SEWAGE BUSINESS PLACE
SEWAGE SERVICE FOR USAG HUMPHREYS FROM 1 NOV. 2025 TO 31 JAN. 2026.
OKI GENERAL TRADING INC.
POTABLE WATER M1 FILTER
CITY OF SAN DIEGO
POTABLE AND RECLAIMED WATER TO INCLUDE WATER SERVICE AT THE SBIWTP AND 2812 HOLLISTER STREET, SAN DIEGO, CA 92154.
POWER ENGINEERING COMPANY, INC.
SALT LAKE CITY AIR ROUTE TRAFFIC CONTROL CENTER (ZLC ARTCC) WATER TREATMENT
MAYFORT MILLING COMPANY PRIVATE LIMITED
BULK WATER DELIVERY CDC JANUARY TO APRIL 2026
ECOLAB QUIMICA LTDA
BSB|FAC| ICASS. SAFE DRINKING WATER PROGRAM
MISCELLANEOUS FOREIGN AWARDEES
FAP//FILTRATION SYSTEM PARTS REPLENISHMENT 01.26
MACHADO BROS., INC.
WATER MAIN LEAK REPAIR, TRACEN PETALUMA JULIET NICHOLS BUILDING
WATER AUTHORITY, BUSAN METROPOLITAN CITY, KOREA
SEWAGE SERVICE FOR BUSAN AREA FROM 1 NOV. 2025 TO 31 OCT. 2025.
EVOQUA WATER TECHNOLOGIES LLC
WATER MAINTENANCE SERVICES
SKE SUPPORT SERVICES GMBH
MAINTENANCE, INSPECTION AND REPAIR SERVICE FOR WATER IN USAG BAVARIA.