NAICS 541620 and PSC Y1AA contractors

Environmental Consulting Services. CONSTRUCTION OF OFFICE BUILDINGS. Cross-code contractor overlap.

NAICS 541620 + PSC Y1AA

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$83,112,713

State overlap

Top recipients

Visible recipients in the NAICS 541620 and PSC Y1AA overlap

Navajo Nation

Window Rock, AZ

Window Rock, AZ | 20 awards | Top agency Department of the Treasury | NAICS 541620

Olgoonik Diversified Services LLC

Colorado Springs, CO

Colorado Springs, CO | 20 awards | Top agency Department of Defense | NAICS 236220

Ahtna Global LLC

Anchorage, AK

Anchorage, AK | 92 awards | Top agency Department of Defense | NAICS 562910

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