National Aeronautics and Space Administration NAICS 541620 and PSC R408 contractors

Environmental Consulting Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. Cross-code overlap under National Aeronautics and Space Administration.

National Aeronautics and Space Administration · NAICS 541620 · PSC R408

Last updated: April 7, 2026

Visible recipients

Mapped obligations

$1,590,076,963

State overlap

Top recipients

Visible recipients in the National Aeronautics and Space Administration overlap of NAICS 541620 and PSC R408

Tetra Tech, Inc.

Pasadena, CA

Pasadena, CA | 260 awards | Top agency Department of Defense | NAICS 541330

$1,417,109,728

Navarro Research And Engineering, Inc.

Oak Ridge, TN

Oak Ridge, TN | 102 awards | Top agency Department of Energy | NAICS 562910

$71,593,057

Geosyntec Consultants, Inc.

Boca Raton, FL

Boca Raton, FL | 48 awards | Top agency Department of Defense | NAICS 541620

$56,841,984

Atkins North America, Inc.

Dallas, TX

Dallas, TX | 8 awards | Top agency Department of Defense | NAICS 541330

$44,532,194

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