Department of the Interior NAICS 541620 contractors in Colorado

Environmental Consulting Services. Contractors in this state-buyer-industry overlap.

Colorado + Department of the Interior

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$240,656,515

Visible recipients tied to Department of the Interior, Colorado, and NAICS 541620

Hdr Environmental, Operations And Construction, Inc.

Englewood, CO

Englewood, CO | 109 awards | Top agency Department of Defense | NAICS 541330

Stantec Consulting Services Inc.

Denver, CO

Denver, CO | 138 awards | Top agency Department of Defense | NAICS 541330

Integral Consulting Inc.

Boulder, CO

Boulder, CO | 9 awards | Top agency Department of Energy | NAICS 541620

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