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Subcontracting in NAICS 221310: Water Supply and Irrigation Systems

Large federal prime contractors must adopt a small-business subcontracting plan on contracts above $900,000 ($2 million for construction) under FAR 19.702, with goals for small, women-owned, HUBZone, veteran-owned and service-disabled veteran-owned businesses. SBA's directory lists 15 primes with such plans on 22 contracts in NAICS 221310 (FY2023 and FY2024), 14 of them still active, with $329,374,598 in total contract value. These are the companies to approach about subcontracting work in this industry.

221310 size standard · how to find teaming partners

Prime contractors with subcontracting plans

Sorted by the value of active contracts. Look up each prime's small-business or supplier diversity page and register in its supplier portal.

Prime contractor	Location	Contracts (active)	Contract value	Main agencies	Latest end
American Water Operations and Maintenance, Inc. Parent: American Water Operations and Maintenance LLC	Voorhees, New Jersey	3 (3)	$116,158,920	Defense Logistics Agency	May 31, 2070
Old North Utility Services Parent: Old North Utility Services Inc.	Costa Mesa, California	1 (1)	$54,017,200	Defense Logistics Agency	Feb 28, 2058
American Water Military Services, LLC Parent: American Water Works Company Inc.	Voorhees, New Jersey	2 (2)	$39,794,926	Defense Logistics Agency	Sep 30, 2071
Emerald Coast Utility Services, Inc. Parent: Emerald Coast Utility Services Inc	Eglin AFB, Florida	1 (1)	$32,704,560	Defense Logistics Agency	Jun 14, 2067
Fort Riley Utility Services, Inc. Parent: Fort Riley Utility Services Inc	Fort Riley, Kansas	1 (1)	$24,924,986	Defense Logistics Agency	Jun 30, 2068
Oklahoma City Water Utilities Trust Indenture Parent: Oklahoma City Water Utilities Trust	Oklahoma City, Oklahoma	1 (1)	$9,798,143	Defense Logistics Agency	Oct 31, 2071
Terrapin Utility Services, Inc. Parent: Terrapin Utility Services Inc.	Andrews AFB, Maryland	1 (1)	$8,298,581	Defense Logistics Agency	Jan 31, 2056
Hardin County Water District 1	Radcliff, Kentucky	1 (1)	$3,313,460	Defense Logistics Agency	Jun 30, 2055
City of Jacksonville	Jacksonville, Arkansas	1 (1)	$2,192,256	Defense Logistics Agency	Apr 30, 2068
Corix Utility Systems (Georgia) Inc. Parent: Corix Utility Systems Georgia Inc	Wauwatosa, Wisconsin	1 (1)	$1,478,928	Defense Logistics Agency	Feb 28, 2066
California Water Service Co. Parent: California Water Service Group	San Jose, California	1 (1)	$803,251	Defense Logistics Agency	Jun 30, 2069
CH2M Hill Constructors, Inc. Parent: CH2M Hill Constructors Inc.	Englewood, Colorado	4 (0)	$25,660,599	Dept of the Army	Sep 29, 2025
American States Utility Services, Inc. Parent: American States Water Company	San Dimas, California	2 (0)	$8,279,754	Dept of the Army	Apr 14, 2025
Pennsylvania - American Water Company Parent: American Water Works Company Inc.	Mechanicsburg, Pennsylvania	1 (0)	$1,024,704	Federal Prison System / Bureau of Prisons	Sep 30, 2023
Agribusiness Development Corporation	Honolulu, Hawaii	1 (0)	$924,330	Dept of the Navy	Oct 25, 2025

About this data

Primes: SBA's Directory of Federal Government Prime Contractors with Subcontracting Plans (FY2023 and FY2024 editions, the latest SBA has published), built from FPDS-NG. The agency that entered each record owns the data; questions about a contract go to that agency. "Active" means the listed completion date is today or later. Contract value is the base and all options value. We group contracts by the prime's UEI. Open opportunities: SBA SubNet, checked Oct 18, 2026 and weekly. AwardWatchdog is not affiliated with SBA or any prime listed here.

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