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.
MISCELLANEOUS FOREIGN AWARDEES
N/A
SUFFOLK COUNTY WATER AUTHORITY
WATER CONTRACT FOR THE BROOKHAVEN FACILITY FROM 10/01/2025 - 09/30/2026.
CALMIN INC
FCC LOMPOC FY25 MATILIJA PURE WATER SYSTEM
TOWN OF MAYNARD TOWN HALL
PURCHASE ORDER ISSUED TO THE TOWN OF MAYNARD FOR THE 2026 WATER/SEWER BILL AT THE FEMA FACILITY- 63 OLD MARLBORO ROAD MAYNARD, MA 01754.
CITY OF NORTHAMPTON
WATER / SEWER UTILITY
GIMCHEON CITY HALL
IN ACCORDANCE WITH PWS.
FRANK, HENRY O
MAKE REPAIRS TO A 10-INCH BACKFLOW PREVENTION DEVICE AT TUSKEGEE AIRMEN NATIONAL HISTORIC SITE TUSKEGEE, ALABAMA.
NOLAND TOUGH FENCE, LLC
KAIBAB NATIONAL FOREST STOCK TANK CLEANING USDA THE WORK TO BE COMPLETED WILL BE TO REMOVE SEDIMENT FROM THE IDENTIFIED STOCK TANKS, WITHOUT JEOPARDIZING THEIR INTEGRITY AND TO MAINTAIN OR REPAIR DAMS OR SPILLWAYS DAMAGED DUE TO INCREASED SEDIMENT T
UIJEONGBU CITY
WATER SERVICE FOR CAMP STANLEY FROM 1 NOV. 2025 TO 31 JAN. 2026.
DONGDUCHEON CITY, CITY BRANCH
WATER SERVICE FOR CAMP STANLEY FROM 1 NOV. 2025 TO 31 JAN. 2026.
OPTIMUM CONTROLS CORPORATION
PUMP STATION OIT REPAIR AT JOHN HEINZ NWR
GREAT LAKES BIO-MEDICAL SERVICES INC.
MEDICAL EQUIPMENT INSPECTIONS
URVAN ENVIRONMENT OFFICE WATERWORKS DIVISION
SEWAGE SERVICE FOR CAMP KWANGSARI FROM 1 NOV. 2025 TO 31 JAN. 2026.
MISCELLANEOUS FOREIGN AWARDEES
5000 LITER WATER TANK SERVICE REQUIREMENT AT MOMBASA
CITY OF CHICAGO
WATER BILL FOR HEADQUARTERS
CITY OF SAN FORD NC
B. EVERETT JORDAN WATER UTILITY SERVICES
BLADEN COUNTY
CAPE FEAR LOCK AND DAM #1 WATER UTILITY SERVICES
ALDERWOOD WATER & WASTE WATER DISTRICT
WATER AND WASTE WATER UTILITIES
DEPARTMENT OF WATER RESOURCES OREGON
PRINEVILLE WATER RESOURCE PERMIT RENEWAL
MISCELLANEOUS FOREIGN AWARDEES
WATER SUPPLY (BPA)
KRÄTZ GMBH
WATER AND SLUDGE ANALYSIS IN HOHENFELS
CITY OF DEL RIO
FY26 - FY29 BASE WATER
STERILECO LLC
REVERSE OSMOSIS SERVICES
MISCELLANEOUS FOREIGN AWARDEES
ADN/ICASS: BPA SETUP FOR BOTTLED WATER FOR THE CONSULATE
MISCELLANEOUS FOREIGN AWARDEES
N/A