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Department of Defense NAICS 541690 and PSC R425 contractors

Other Scientific and Technical Consulting 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 Department of Defense.

Department of Defense · NAICS 541690 · PSC R425
Last updated: April 8, 2026

Visible recipients

20

Mapped obligations

$7,443,138,791

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541690 and PSC R425

Chenega Federal Systems, LLC

Bethesda, MD

Chenega Federal Systems, LLC is a federal 8a program participant profile based in Bethesda, MD. The current public data layer shows $646,977,874 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$272,755,979

Torch Technologies INC

Huntsville, AL

Torch Technologies INC is a federal category business profile based in Huntsville, AL. The current public data layer shows $459,311,375 in visible federal obligations across 310 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.

$3,846,759,603

Noblis, Inc.

Reston, VA

Noblis, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $263,857,681 in visible federal obligations across 372 awards or transactions. Department of Transportation 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.

$1,058,005,207

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 $148,609,270 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.

$52,066,200

Tatitlek Technologies, LLC

Anchorage, AK

Tatitlek Technologies, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $85,279,793 in visible federal obligations across 229 awards or transactions. Department of State 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 Z1AA.

$189,715,809

Janus Research Group, LLC

Evans, GA

Janus Research Group, LLC is a federal category business profile based in Evans, GA. The current public data layer shows $76,610,451 in visible federal obligations across 103 awards or transactions. General Services Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 611430 (Professional and Management Development Training). The profile also shows meaningful product and service activity in PSC R425.

$471,855,032

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 232 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.

$108,180,884

Noresco, LLC

Westborough, MA

Noresco, LLC is a federal category business profile based in Westborough, MA. The current public data layer shows $66,792,201 in visible federal obligations across 81 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.

$303,722,046

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.

$159,078,062

Fedwriters, Inc.

Fairfax, VA

Fedwriters, Inc. is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $27,437,211 in visible federal obligations across 254 awards or transactions. Department of Commerce appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R699.

$51,076,515
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