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General Services Administration NAICS 541990 and PSC R408 contractors

All Other Professional, Scientific, and Technical Services. SUPPORT- PROFESSIONAL: PROGRAM MANAGEMENT/SUPPORT. 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 541990 · PSC R408
Last updated: April 8, 2026

Visible recipients

38

Mapped obligations

$15,155,564,180

State overlap

4

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541990 and PSC R408

Deloitte Consulting LLP

Arlington, VA

Deloitte Consulting LLP is a federal category business profile based in Arlington, VA. The current public data layer shows $2,409,075,725 in visible federal obligations across 1,829 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.

$7,224,308,120

Alion Science And Technology Corporation

Chicago, IL

Alion Science And Technology Corporation is a federal category business profile based in Chicago, IL. The current public data layer shows $1,391,195,185 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 541710 (Research and Development in the Physical, Engineering, and Life Sciences). The profile also shows meaningful product and service activity in PSC AZ12.

$136,762,259

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.

$499,403,484

Modern Technology Solutions, Inc.

Alexandria, VA

Modern Technology Solutions, Inc. is a federal category business profile based in Alexandria, VA. The current public data layer shows $429,318,638 in visible federal obligations across 285 awards or transactions. General Services 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.

$171,392,603

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.

$390,655,617

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.

$640,503,544

Noblis, Inc.

Reston, VA

Noblis, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $263,857,681 in visible federal obligations across 372 awards or transactions. Department of Transportation 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.

$770,200,138

Credence Management Solutions Limited Liability Company

Mclean, VA

Credence Management Solutions Limited Liability Company is a federal category business profile based in Mclean, VA. The current public data layer shows $240,056,157 in visible federal obligations across 222 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.

$371,546,801

Sos International LLC

Reston, VA

Sos International LLC is a federal category business profile based in Reston, VA. The current public data layer shows $176,763,965 in visible federal obligations across 138 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 M1FC.

$388,501,145

Axle Informatics, LLC

North Bethesda, MD

Axle Informatics, LLC is a federal category business profile based in North Bethesda, MD. The current public data layer shows $142,337,108 in visible federal obligations across 476 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC R499.

$275,540,824
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