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General Services Administration NAICS 561210 and PSC R499 contractors

Facilities Support 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 General Services Administration.

General Services Administration · NAICS 561210 · PSC R499
Last updated: April 8, 2026

Visible recipients

26

Mapped obligations

$26,010,534,620

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 561210 and PSC R499

National Security Technologies, LLC

North Las Vegas, NV

National Security Technologies, LLC is a federal category business profile based in North Las Vegas, NV. The current public data layer shows $4,821,369,247 in visible federal obligations across 5 awards or transactions. Department of Energy 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 Z181.

$4,821,348,811

Amentum Services, Inc.

Chantilly, VA

Amentum Services, Inc. is a federal category business profile based in Chantilly, VA. The current public data layer shows $3,024,707,746 in visible federal obligations across 1,909 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.

$7,198,073,558

Cgi Federal Inc.

Fairfax, VA

Cgi Federal Inc. is a federal category business profile based in Fairfax, VA. The current public data layer shows $1,377,819,939 in visible federal obligations across 1,056 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.

$1,451,565,887

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 $884,403,097 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.

$2,888,572,364

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.

$57,742,442

Amentum Technology, Inc.

Tullahoma, TN

Amentum Technology, Inc. is a federal category business profile based in Tullahoma, TN. The current public data layer shows $475,758,979 in visible federal obligations across 491 awards or transactions. National Aeronautics and Space Administration 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.

$4,343,807,798

Chenega Global Services LLC

San Antonio, TX

Chenega Global Services LLC is a federal 8a program participant profile based in San Antonio, TX. The current public data layer shows $335,293,840 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 562910 (Remediation Services). The profile also shows meaningful product and service activity in PSC F999.

$115,446,821

Alutiiq Global Solutions, LLC

Anchorage, AK

Alutiiq Global Solutions, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $208,315,787 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y199.

$80,479,780

Avantus Federal LLC

Mc Lean, VA

Avantus Federal LLC is a federal category business profile based in Mc Lean, VA. The current public data layer shows $158,730,910 in visible federal obligations across 95 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 R408.

$283,465,535

Tatitlek Technologies, LLC

Anchorage, AK

Tatitlek Technologies, LLC is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $85,279,793 in visible federal obligations across 229 awards or transactions. Department of State 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 Z1AA.

$532,630,624
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