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General Services Administration NAICS 541330 and PSC R423 contractors

Engineering Services. SUPPORT- PROFESSIONAL: INTELLIGENCE. 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 R423
Last updated: April 8, 2026

Visible recipients

5

Mapped obligations

$908,709,332

State overlap

1

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541330 and PSC R423

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 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 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$405,452,399

Integral Federal, Inc.

Mc Lean, VA

Integral Federal, Inc. is a federal category business profile based in Mc Lean, VA. The current public data layer shows $32,946,494 in visible federal obligations across 72 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 333244 (Printing Machinery and Equipment Manufacturing). The profile also shows meaningful product and service activity in PSC 3610.

$254,581,454

Mobius Consulting, LLC

Alexandria, VA

Mobius Consulting, LLC is a federal category business profile based in Alexandria, VA. The current public data layer shows $9,306,237 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 541690 (Other Scientific and Technical Consulting Services). The profile also shows meaningful product and service activity in PSC R423.

$40,927,934

Apex Expert Solutions LLC

Chantilly, VA

Apex Expert Solutions LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $4,049,855 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 611699 (All Other Miscellaneous Schools and Instruction). The profile also shows meaningful product and service activity in PSC U099.

$125,758

Altamira Technologies CORP

Mc Lean, VA

Altamira Technologies CORP is a federal category business profile based in Mc Lean, VA. The current public data layer shows $582,865 in visible federal obligations across 25 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 AD22.

$207,621,787