NAICS 221320 and PSC R418 contractors

Sewage Treatment Facilities. SUPPORT- PROFESSIONAL: LEGAL. Cross-code contractor overlap.

NAICS 221320 + PSC R418

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,468,630

State overlap

Top recipients

Visible recipients in the NAICS 221320 and PSC R418 overlap

Quinault Indian Nation

Taholah, WA

Taholah, WA | 122 awards | Top agency Department of the Interior | NAICS 221320

Spirit Lake Tribe

Fort Totten, ND

Fort Totten, ND | 128 awards | Top agency Department of Health and Human Services | NAICS 813311

Quechan Indian Tribe

Winterhaven, CA

Winterhaven, CA | 78 awards | Top agency Department of the Treasury | NAICS 221310