National Aeronautics and Space Administration NAICS 541990 and PSC R499 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: OTHER. Cross-code overlap under National Aeronautics and Space Administration.

National Aeronautics and Space Administration · NAICS 541990 · PSC R499

Last updated: April 9, 2026

Visible recipients

Mapped obligations

$2,497,763,428

State overlap

Top recipients

Visible recipients in the National Aeronautics and Space Administration overlap of NAICS 541990 and PSC R499

Systems Planning And Analysis, Inc.

Alexandria, VA

Alexandria, VA | 238 awards | Top agency Department of Defense | NAICS 541330

$829,892,978

Mantech Srs Technologies, Inc.

Herndon, VA

Herndon, VA | 76 awards | Top agency Department of Defense | NAICS 541330

$304,562,673

Akima Global Logistics, LLC

Herndon, VA

Herndon, VA | 118 awards | Top agency Department of Defense | NAICS 561210

$24,242,498

Ensco INC

Vienna, VA

Vienna, VA | 124 awards | Top agency Department of Defense | NAICS 541712

$347,523,104

Rsi-quantitech Jv LLC

Huntsville, AL

Huntsville, AL | 33 awards | Top agency National Aeronautics and Space Administration | NAICS 541715

$4,500

Riverside Research Institute

New York, NY

New York, NY | 45 awards | Top agency Department of Defense | NAICS 541712

$784,199,496

Digital Management LLC

Mc Lean, VA

Mc Lean, VA | 73 awards | Top agency Department of Defense | NAICS 541512

$204,894,604

National Institute Of Aerospace Associates

Hampton, VA

Hampton, VA | 26 awards | Top agency National Aeronautics and Space Administration | NAICS 541712

$2,443,575

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