Water Supply and Irrigation Systems: federal contracts
Federal agencies obligated $528.4M in net prime contract dollars under NAICS 221310 in the 12 months ending Oct 5, 2026, down 27.7% from $730.7M in the preceding 12 months.
Obligations by fiscal year
Net prime contract obligations across all agencies.
Agency markets for this NAICS
Open an agency to see its top contractors, funding offices, and potential recompetes.
Top contractors
All agencies, ranked by net obligations in the latest 12 months.
| # | Contractor | Latest 12 mo |
|---|---|---|
| 1 | American Water Operations and Maintenance, LLC | $116.7M |
| 2 | American Water Military Services, LLC | $42.3M |
| 3 | OLD North Utility Services, Inc. | $27.5M |
| 4 | ch2m Hill Constructors, Inc. | $26.0M |
| 5 | Oklahoma City Water Utilities Trust | $23.8M |
| 6 | Emerald Coast Utility Services Inc | $20.5M |
| 7 | Schutt Industries of Clintonville, WIS., Inc. | $20.1M |
| 8 | Washington Suburban Sanitary Commission | $19.5M |
| 9 | American Water Enterprises, LLC | $14.7M |
| 10 | Base Utilities Inc | $14.5M |
Recent awards
New prime contract awards of $100K or more under this NAICS code, most recent first.
| Award | Contractor | Obligated | Start |
|---|---|---|---|
| 2036X527P00004 | City of Philadelphia Department of Revenue Water Revenue Bureau b0610658047 Department of the Treasury | $320K | Oct 1, 2026 |
| 36C25926P0801 | Water & Energy Systems Technology, Inc Department of Veterans Affairs | $146K | Sep 30, 2026 |
| 191BWC26P0090 | G.S.E. Construction Company, Inc. Department of State | $1.8M | Sep 28, 2026 |
| 36C24826N0963 | The Maclean Group LLC Department of Veterans Affairs | $159K | Sep 28, 2026 |
| 140FS126P0313 | Living Water Industries LLC Department of the Interior | $109K | Sep 25, 2026 |
| 36C26326P0747 | I-2-I Solutions, Inc. Department of Veterans Affairs | $155K | Sep 23, 2026 |
| 140P4226C0023 | Cawley Environmental Services Inc Department of the Interior | $118K | Sep 23, 2026 |
| 36C25026P1050 | Rochester Midland Corporation Department of Veterans Affairs | $1.5M | Sep 21, 2026 |
Prime contracts (award types A–D) from USAspending.gov, grouped by the NAICS code the agency assigned to each award. An award's NAICS code describes how the agency classified that purchase; it does not set eligibility for a future solicitation.
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