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Department of Homeland Security 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 Homeland Security.

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

Visible recipients

46

Mapped obligations

$206,068,042,197

State overlap

4

Top recipients

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

Booz Allen Hamilton INC

Mclean, VA

Booz Allen Hamilton INC is a federal category business profile based in Mclean, VA. The current public data layer shows $5,544,653,120 in visible federal obligations across 3,971 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 R499.

$36,892,581,317

The Boeing Company

Saint Louis, MO

The Boeing Company is a federal category business profile based in Saint Louis, MO. The current public data layer shows $4,716,768,803 in visible federal obligations across 1,223 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336411 (Aircraft Manufacturing). The profile also shows meaningful product and service activity in PSC 1510.

$41,057,256,280

General Dynamics Information Technology, Inc.

Falls Church, VA

General Dynamics Information Technology, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $4,247,568,500 in visible federal obligations across 3,214 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 D399.

$29,422,194,193

Caci, Inc. - Federal

Chantilly, VA

Caci, Inc. - Federal is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,203,901,382 in visible federal obligations across 1,150 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.

$6,215,692,551

Amentum Services, Inc.

Chantilly, VA

Amentum Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,053,461,383 in visible federal obligations across 1,914 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.

$5,964,076,168

Deloitte Consulting LLP

Arlington, VA

Deloitte Consulting LLP is a federal category business profile based in Arlington, VA. The current public data layer shows $2,418,891,705 in visible federal obligations across 1,842 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 R408.

$7,550,819,793

Leidos, Inc.

Reston, VA

Leidos, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $2,338,754,223 in visible federal obligations across 9,802 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.

$20,870,734,242

Battelle Memorial Institute

Richland, WA

Battelle Memorial Institute is a federal category business profile based in Richland, WA. The current public data layer shows $1,604,590,760 in visible federal obligations across 101 awards or transactions. Department of Energy appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC M181.

$1,463,325,824

Vertex Aerospace LLC

Madison, MS

Vertex Aerospace LLC is a federal category business profile based in Madison, MS. The current public data layer shows $1,445,809,160 in visible federal obligations across 623 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.

$1,230,462,566

Bae Systems Technology Solutions & Services Inc.

Rockville, MD

Bae Systems Technology Solutions & Services Inc. is a federal category business profile based in Rockville, MD. The current public data layer shows $1,184,458,491 in visible federal obligations across 1,291 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 L014.

$13,056,287,274
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