NAICS 221310 and PSC 6810 contractors

Water Supply and Irrigation Systems. CHEMICALS. Cross-code contractor overlap.

NAICS 221310 + PSC 6810

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$12,680

State overlap

Top recipients

Visible recipients in the NAICS 221310 and PSC 6810 overlap

Wsp USA Buildings INC

New York, NY

New York, NY | 5 awards | Top agency Department of Defense | NAICS 541330

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