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National Aeronautics and Space Administration PSC R499 contractors

SUPPORT- PROFESSIONAL: OTHER. Use this buyer-scoped PSC page to see which visible contractors sit closest to this product or service lane under National Aeronautics and Space Administration.

Agency: National Aeronautics and Space Administration
Last updated: April 6, 2026

Visible recipients

21

Mapped obligations

$38,595,036,822

Top NAICS links

4

Top recipients

Visible recipients tied to National Aeronautics and Space Administration 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.

$540,150,686

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.

$77,823,897

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.

$373,572,423

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.

$138,028,152

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.

$117,413,444

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.

$190,727,013

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.

$545,364,857

Alutiiq Essential Services LLC

Anchorage, AK

Alutiiq Essential Services LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $23,807,233 in visible federal obligations across 72 awards or transactions. Department of State appears as the strongest visible awarding agency. Top industry concentration is in NAICS 339999 (All Other Miscellaneous Manufacturing). The profile also shows meaningful product and service activity in PSC R408.

$22,793,961

Akima Support Operations, LLC

Herndon, VA

Akima Support Operations, LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $6,241,637 in visible federal obligations across 37 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC S216.

$89,065,384

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.

$94,648,157
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