Who wins NAICS 221310 federal contracts?

A direct answer for WATER SUPPLY AND IRRIGATION SYSTEMS federal contract competitors and buyers.

Direct answer

AMERICAN WATER OPERATIONS AND MAINTENANCE, LLC leads NAICS 221310 federal contracts with $826,927,653 in ingested obligations.

Answer Facts

NAICS221310
Obligations$1,166,484,459
Top contractorAMERICAN WATER OPERATIONS AND MAINTENANCE, LLC
Top agencyDepartment of Defense

Which agencies buy NAICS 221310?

Department of Defense is the largest visible agency buyer for NAICS 221310 at $1,140,637,725.

Source: USAspending.gov. Last updated from ingested federal spending data: May 7, 2026.