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 8, 2026

Visible recipients

371

Mapped obligations

$380,719,070,415

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 541330

Applied Research Associates, Inc.

Albuquerque, NM

Applied Research Associates, Inc. is a federal category business profile based in Albuquerque, NM. The current public data layer shows $327,354,498 in visible federal obligations across 564 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.

$818,811,767

Goldbelt Falcon LLC

Chesapeake, VA

Goldbelt Falcon LLC is a federal 8a program participant profile based in Chesapeake, VA. The current public data layer shows $325,823,388 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 811219 (Other Electronic and Precision Equipment Repair and Maintenance). The profile also shows meaningful product and service activity in PSC J052.

$14,253,816

Bae Systems Information & Electronic Systems Integration INC

Hudson, NH

Bae Systems Information & Electronic Systems Integration INC is a federal category business profile based in Hudson, NH. The current public data layer shows $325,174,437 in visible federal obligations across 24 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336414 (Guided Missile and Space Vehicle Manufacturing). The profile also shows meaningful product and service activity in PSC 1420.

$89,968,974

Linquest Corporation

Herndon, VA

Linquest Corporation is a federal category business profile based in Herndon, VA. The current public data layer shows $317,004,468 in visible federal obligations across 249 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541715 (Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology)). The profile also shows meaningful product and service activity in PSC R425.

$417,735,876

Systems Planning And Analysis, Inc.

Alexandria, VA

Systems Planning And Analysis, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $300,519,048 in visible federal obligations across 238 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.

$1,387,600,926

Pae Applied Technologies LLC

Chantilly, VA

Pae Applied Technologies LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $298,217,446 in visible federal obligations across 97 awards or transactions. Department of Defense 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 J015.

$1,398,918,506

J & J Maintenance INC

Mclean, VA

J & J Maintenance INC is a federal category business profile based in Mclean, VA. The current public data layer shows $295,183,778 in visible federal obligations across 374 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Z1DA.

$331,410

Aecom Technical Services, Inc.

Los Angeles, CA

Aecom Technical Services, Inc. is a federal category business profile based in Los Angeles, CA. The current public data layer shows $294,508,288 in visible federal obligations across 1,077 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.

$2,819,256,261

Tatitlek Support Services INC

Anchorage, AK

Tatitlek Support Services INC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $278,606,685 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 561210 (Facilities Support Services). The profile also shows meaningful product and service activity in PSC U099.

$0

Icf Incorporated, L.l.c.

Reston, VA

Icf Incorporated, L.l.c. is a federal category business profile based in Reston, VA. The current public data layer shows $271,970,237 in visible federal obligations across 1,306 awards or transactions. Department of Health and Human Services 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 R499.

$632,779,985
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