Agency + NAICS page

Department of Defense NAICS 561210 contractors

Facilities Support 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

89

Mapped obligations

$98,364,394,282

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 561210

Mantech Telecommunications And Information Systems Corporation

Fairfax, VA

Mantech Telecommunications And Information Systems Corporation is a federal category business profile based in Fairfax, VA. The current public data layer shows $3,297,715,310 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 1345.

$63,146,741

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.

$5,498,100,303

Vectrus Systems LLC

Colorado Springs, CO

Vectrus Systems LLC is a federal category business profile based in Colorado Springs, CO. The current public data layer shows $1,502,522,156 in visible federal obligations across 1,241 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 R706.

$16,813,296,038

Cgi Federal Inc.

Fairfax, VA

Cgi Federal Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,376,708,353 in visible federal obligations across 1,052 awards or transactions. Department of State 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.

$658,643,732

Amentum Government Services, Inc.

Chantilly, VA

Amentum Government Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,102,374,198 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 811118 (Other Automotive Mechanical and Electrical Repair and Maintenance). The profile also shows meaningful product and service activity in PSC J023.

$86,155,412

Kbr Wyle Services, LLC

Fulton, MD

Kbr Wyle Services, LLC is a federal category business profile based in Fulton, MD. The current public data layer shows $869,038,536 in visible federal obligations across 644 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 AZ12.

$1,148,863,461

General Dynamics Ordnance And Tactical Systems, Inc.

Saint Petersburg, FL

General Dynamics Ordnance And Tactical Systems, Inc. is a federal category business profile based in Saint Petersburg, FL. The current public data layer shows $761,995,749 in visible federal obligations across 48 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 332993 (Ammunition (except Small Arms) Manufacturing). The profile also shows meaningful product and service activity in PSC 1315.

$146,839,567

Kbr Services, LLC

Houston, TX

Kbr Services, LLC is a federal category business profile based in Houston, TX. The current public data layer shows $643,237,810 in visible federal obligations across 393 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 R706.

$28,091,889,838

Caci Intelligence Solutions, LLC

Herndon, VA

Caci Intelligence Solutions, LLC is a federal category business profile based in Herndon, VA. The current public data layer shows $622,902,744 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 541990 (All Other Professional, Scientific, and Technical Services). The profile also shows meaningful product and service activity in PSC R423.

$18,971,959

General Dynamics Ots (wilkes Barre), LLC

Wilkes Barre, PA

General Dynamics Ots (wilkes Barre), LLC is a federal category business profile based in Wilkes Barre, PA. The current public data layer shows $597,123,620 in visible federal obligations across 55 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 332993 (Ammunition (except Small Arms) Manufacturing). The profile also shows meaningful product and service activity in PSC 1320.

$1,172,213,989
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