Agency + NAICS page

Department of Defense NAICS 541330 contractors

Engineering Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of Defense.

Agency: Department of Defense
Last updated: April 6, 2026

Visible recipients

186

Mapped obligations

$343,272,207,482

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 541330

Legacy-exp Federal Jv, LLC

Birmingham, AL

Legacy-exp Federal Jv, LLC is a federal category business profile based in Birmingham, AL. The current public data layer shows $2,500 in visible federal obligations across 2 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 C219.

$2,500

Chenega Exp Federal Jv, LLC

Colorado Springs, CO

Chenega Exp Federal Jv, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $791 in visible federal obligations across 3 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.

$1,307,875

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.

$8,363,734

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.

$1,976,196,216

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.

$1,729,162,542

Northrop Grumman Technical Services, Inc.

Mclean, VA

Northrop Grumman Technical Services, Inc. is a federal category business profile based in Mclean, VA. The current public data layer shows -$1,436,690 in visible federal obligations across 26 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 488190 (Other Support Activities for Air Transportation). The profile also shows meaningful product and service activity in PSC J015.

$1,379,528,635
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