Department of the Interior NAICS 541330 and PSC R408 contractors

Engineering Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code overlap under Department of the Interior.

Department of the Interior · NAICS 541330 · PSC R408

Last updated: April 19, 2026

Visible recipients

Mapped obligations

$12,079,783,980

State overlap

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 541330 and PSC R408

Cherokee Nation Government Solutions LLC

Tulsa, OK

Tulsa, OK | 56 awards | Top agency Department of Defense | NAICS 541330

$49,990,093

Wsp USA Solutions INC

Arlington, VA

Arlington, VA | 228 awards | Top agency Department of Defense | NAICS 541330

$174,972,016

Sumaria Systems, LLC

Beavercreek, OH

Beavercreek, OH | 104 awards | Top agency Department of Defense | NAICS 541712

$191,560,883

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Falls Church, VA | 5 awards | Top agency Department of Defense | NAICS 541330

$20,864,093

Inalab Consulting, Inc.

Fairfax, VA

Fairfax, VA | 136 awards | Top agency Department of Defense | NAICS 541330

$64,361,348

Michael Baker International, Inc.

Moon Township, PA

Moon Township, PA | 58 awards | Top agency Department of Defense | NAICS 541330

$596,867,482

Caci Enterprise Solutions, LLC

Chantilly, VA

Chantilly, VA | 11 awards | Top agency Department of Defense | NAICS 541512

$274,056,073

Michael Baker International Holdco Corporation

Moon Township, PA

Moon Township, PA | 5 awards | Top agency Department of Defense | NAICS 541330

$23,008,182

Kimley-horn And Associates INC

Raleigh, NC

Raleigh, NC | 24 awards | Top agency Department of Transportation | NAICS 541330

$59,510,555

Blue Glacier Management Group Inc.

Englewood, CO

Englewood, CO | 24 awards | Top agency Department of Commerce | NAICS 541519

$165,810

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