NAICS + PSC page

NAICS 541330 and PSC R499 contractors

Engineering Services. SUPPORT- PROFESSIONAL: OTHER. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 541330 + PSC R499
Last updated: April 6, 2026

Visible recipients

85

Mapped obligations

$265,437,115,709

State overlap

0

Top recipients

Visible recipients in the NAICS 541330 and PSC R499 overlap

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

Mckinstry Essention, LLC

Seattle, WA

Mckinstry Essention, LLC is a federal category business profile based in Seattle, WA. The current public data layer shows $900,972 in visible federal obligations across 5 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 B540.

$12,901,940

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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