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General Services Administration NAICS 541330 and PSC R425 contractors

Engineering Services. SUPPORT- PROFESSIONAL: ENGINEERING/TECHNICAL. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under General Services Administration.

General Services Administration · NAICS 541330 · PSC R425
Last updated: April 6, 2026

Visible recipients

69

Mapped obligations

$317,577,705,408

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541330 and PSC R425

Caci Technologies, LLC

Chantilly, VA

Caci Technologies, LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $190,345,441 in visible federal obligations across 223 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.

$15,250,990,858

Peraton Technology Services Inc.

Chantilly, VA

Peraton Technology Services Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $163,252,765 in visible federal obligations across 275 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 R499.

$1,040,722,409

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 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 R408.

$799,664,606

Analytical Mechanics Associates, Inc.

Hampton, VA

Analytical Mechanics Associates, Inc. is a federal category business profile based in Hampton, VA. The current public data layer shows $151,455,834 in visible federal obligations across 129 awards or transactions. National Aeronautics and Space Administration 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 AR11.

$104,103,735

L3harris Interstate Electronics Corporation

Yorba Linda, CA

L3harris Interstate Electronics Corporation is a federal category business profile based in Yorba Linda, CA. The current public data layer shows $138,604,778 in visible federal obligations across 40 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 H914.

$1,520,146,416

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.

$765,827,923

Siemens Government Technologies INC

Arlington, VA

Siemens Government Technologies INC is a federal category business profile based in Arlington, VA. The current public data layer shows $111,989,171 in visible federal obligations across 227 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC N059.

$986,619,066

General Atomics Systems Integration, LLC

San Diego, CA

General Atomics Systems Integration, LLC is a federal category business profile based in San Diego, CA. The current public data layer shows $97,803,331 in visible federal obligations across 5 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 B599.

$49,674,056

Karsun Solutions LLC

Herndon, VA

Karsun Solutions LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $83,844,223 in visible federal obligations across 125 awards or transactions. Department of Transportation appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R425.

$524,207,878

Akima Systems Engineering LLC

Herndon, VA

Akima Systems Engineering LLC is a federal 8a program participant profile based in Herndon, VA. The current public data layer shows $76,312,079 in visible federal obligations across 235 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541512 (Computer Systems Design Services). The profile also shows meaningful product and service activity in PSC R425.

$173,893,471
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