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National Aeronautics and Space Administration NAICS 541330 and PSC R499 contractors

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under National Aeronautics and Space Administration.

National Aeronautics and Space Administration · NAICS 541330 · PSC R499
Last updated: April 6, 2026

Visible recipients

19

Mapped obligations

$123,779,520,423

State overlap

4

Top recipients

Visible recipients in the National Aeronautics and Space Administration overlap of NAICS 541330 and PSC R499

Systems Planning And Analysis, Inc.

Alexandria, VA

Systems Planning And Analysis, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $305,176,232 in visible federal obligations across 242 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$1,927,751,612

Sev1tech, LLC

Woodbridge, VA

Sev1tech, LLC is a federal category business profile based in Woodbridge, VA. The current public data layer shows $134,333,750 in visible federal obligations across 225 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$420,503,011

Tetra Tech, Inc.

Pasadena, CA

Tetra Tech, Inc. is a federal category business profile based in Pasadena, CA. The current public data layer shows $130,835,501 in visible federal obligations across 260 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC C219.

$2,643,250,195

Mantech Srs Technologies, Inc.

Herndon, VA

Mantech Srs Technologies, Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $74,933,149 in visible federal obligations across 78 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$609,025,000

Energy Systems Group LLC

Newburgh, IN

Energy Systems Group LLC is a federal category business profile based in Newburgh, IN. The current public data layer shows $51,362,985 in visible federal obligations across 63 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R499.

$414,863,046

Astrion Group, LLC

Huntsville, AL

Astrion Group, LLC is a federal category business profile based in Huntsville, AL. The current public data layer shows $44,677,990 in visible federal obligations across 44 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC AD94.

$264,511,807

Riverside Research Institute

New York, NY

Riverside Research Institute is a federal category business profile based in New York, NY. The current public data layer shows $31,384,228 in visible federal obligations across 44 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541712 (Research and Development in the Physical, Engineering, and Life Sciences (except Biotechnology)). The profile also shows meaningful product and service activity in PSC R499.

$756,867,752

Peraton Services & Solutions Inc.

Herndon, VA

Peraton Services & Solutions Inc. is a federal category business profile based in Herndon, VA. The current public data layer shows $4,474,420 in visible federal obligations across 17 awards or transactions. National Aeronautics and Space Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$1,315,149,285

Mckinstry Essention, LLC

Seattle, WA

Mckinstry Essention, LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $900,972 in visible federal obligations across 5 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC B540.

$12,901,940
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