NAICS + PSC page

NAICS 221310 and PSC B510 contractors

Water Supply and Irrigation Systems. SPECIAL STUDIES/ANALYSIS- ENVIRONMENTAL ASSESSMENTS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 221310 + PSC B510
Last updated: April 7, 2026

Visible recipients

1

Mapped obligations

$752,446

State overlap

0

Top recipients

Visible recipients in the NAICS 221310 and PSC B510 overlap