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.
PETERSON PLUMBING SUPPLY
GAOA MATERIALS PURCHASE FOR THE PLEASANT CREEK WATER SYSTEM. ITEMS FOR THE WATERLINE AND THE CAMPGROUND. TANKS FOR THE PLEASANT CREEK AND OAK CREEK WATER SYSTEM. AMENDMENT 0001: THE PURPOSE OF THIS AMENDMENT IS TO PROVIDE ANSWERS TO QUESTIONS ABOUT
PENNSYLVANIA - AMERICAN WATER COMPANY
NIOSH PITTSBURGH WATER UTILITY
THE MACLEAN GROUP LLC
CHEMICAL WATER TREATMENT
INNER BASIN ENVIRONMENTAL LLC
GRAND CANYON NATIONAL PARK (GRCA) WATER & WASTEWATER LAB SERVICES
STERILECO LLC
REVERSE OSMOSIS-BASE YEAR
MECX, INC.
BOILER CHEMICAL FEED SYSTEM
PICKENS COUNTY WATER AUTHORITY
WATER UTILITY SERVICES FOR TENN TOM PROJECT
REVISED CIBOLA VALLEY IRRIGATION AND DRAINAGE DISTRICT
WATER TOLLS & ASSESSMENT FEES WITH CVIDD
PHIGENICS LLC
POTABLE WATER ANALYTIC SYSTEM MAINTENANCE SERVICES
SOUTHERN PETROLEUM LABORATORIES, INC.
WATER TESTING FOR PINEY WOODS REGION, TEXAS. PERIOD OF PERFORMANCE: BASE 01 OCT 2021 - 30 SEP 2022 OPT.1 - 01 OCT 2022 - 30 SEP 2023 OPT. 2 - 01 OCT 2023 - 30 SEP 2024 OPT 3 - 01 OCT 2024 - 30 SEP 2025 OPT. 4 - 01 OCT 2025 - 30 SEP 2026.
CITY OF FLORENCE
FY26 P4 CITY OF FLORENCE WATER OCT 25
R & M GOVERNMENT SERVICES INC
WATER CHEMICAL TREATMENT
STAUBACH BARROR WATER SYSTEMS INC
STERILE PROCESSING SYSTEM REVERSE OSMOSIS SERVICES
WATER DISTRICT 1
IDWR - WATER DIST. #27
FLUID SOLUTIONS LLC
WATER TREATMENT REFURBISHMENT TO EMBASSY BUILDING
PYEONGTAEK-SI WATER AND SEWAGE BUSINESS PLACE
WATER SERVICE FOR OSAN AIR BASE FROM 1 NOV. 2025 TO 31 OCT. 2026.
ESSENTIAL UTILITIES, INC.
AQUA AMERICA FY 2026 WATER SERVICE FOR USP CANAAN
CITY OF FLORENCE
FY26 P4 CITY OF FLORENCE WATER NOV 25
CITY OF FLORENCE
FY26 P4 CITY OF FLORENCE WATER DEC 25
DC WATER & SEWER AUTHORITY
FY26 WATER & SEWER INTERAGENCY AGREEMENT (IAA) WITH DC WATER & SEWER AUTHORITY (WASA)
UNIVERSITY OF ALABAMA
THERMAL WATER UTILITY SERVICE FOR THE NATIONAL WATER CENTER FACILITY ON THE CAMPUS OF US IN TUSCALOOSA, AL
CH2M HILL CONSTRUCTORS, INC.
EMERGENCY REPAIR SERVICE FUNDS TO REPLACE THREE UNINTERRUPTIBLE POWER SUPPLY (UPS) SYSTEMS AT IRWIN WATER WORKS.
DUTCHESS COUNTY WATER & WASTEWATER
NEW WATER AND SEWER SERVICE FOR FRANKLIN D. ROOSEVELT LIBRARY.
CUNA SUPPLY LLC
SALT AND BRINE DELIVERY
CITY OF FLORENCE
FY26 P4 CITY OF FLORENCE WATER JAN 26