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Department of Defense 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 Department of Defense.

Department of Defense · NAICS 541330 · PSC R499
Last updated: April 6, 2026

Visible recipients

80

Mapped obligations

$263,921,173,129

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541330 and PSC R499

Southland Industries

Sterling, VA

Southland Industries is a federal category business profile based in Sterling, VA. The current public data layer shows $4,836,806 in visible federal obligations across 15 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.

$48,953,739

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

B3h Corporation

Fort Walton Beach, FL

B3h Corporation is a federal category business profile based in Fort Walton Beach, FL. The current public data layer shows $3,705,395 in visible federal obligations across 29 awards or transactions. Department of Defense 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 R408.

$43,762,045

Bering Straits Aerospace Services, LLC

Anchorage, AK

Bering Straits Aerospace Services, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $2,734,065 in visible federal obligations across 7 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 J016.

$26,660,305

Alutiiq Technical Services LLC

Anchorage, AK

Alutiiq Technical Services LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $2,382,317 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 R706.

$132,541,290

Ironarch Technology LLC

Arlington, VA

Ironarch Technology LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $2,285,492 in visible federal obligations across 42 awards or transactions. Department of Veterans Affairs 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.

$34,253,161

Em Key Solutions INC

Saint Petersburg, FL

Em Key Solutions INC is a federal category business profile based in Saint Petersburg, FL. The current public data layer shows $1,623,718 in visible federal obligations across 7 awards or transactions. Department of Veterans Affairs appears as the strongest visible awarding agency. Top industry concentration is in NAICS 518210 (Computing Infrastructure Providers, Data Processing, Web Hosting, and Related Services). The profile also shows meaningful product and service activity in PSC R408.

$0

Axiologic Solutions LLC

Fairfax, VA

Axiologic Solutions LLC is a federal category business profile based in Fairfax, VA. The current public data layer shows $500 in visible federal obligations across 35 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 D301.

$8,368,734

Lockheed Martin Services, LLC

Gaithersburg, MD

Lockheed Martin Services, LLC is a federal category business profile based in Gaithersburg, MD. The current public data layer shows -$306,294 in visible federal obligations across 5 awards or transactions. Department of Transportation 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 5820.

$2,940,371,732

Booz Allen Hamilton Engineering Services, LLC

Annapolis Junction, MD

Booz Allen Hamilton Engineering Services, LLC is a federal category business profile based in Annapolis Junction, MD. The current public data layer shows -$410,371 in visible federal obligations across 11 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 R414.

$2,377,902,739
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