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General Services Administration NAICS 561990 and PSC R499 contractors

All Other 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 561990 · PSC R499
Last updated: April 8, 2026

Visible recipients

3

Mapped obligations

$2,639,230,816

State overlap

3

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 561990 and PSC R499

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.

$1,272,089,769

General Dynamics Land Systems Inc.

Sterling Heights, MI

General Dynamics Land Systems Inc. is a federal category business profile based in Sterling Heights, MI. The current public data layer shows $1,228,836,608 in visible federal obligations across 826 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336992 (Military Armored Vehicle, Tank, and Tank Component Manufacturing). The profile also shows meaningful product and service activity in PSC 2350.

$1,366,153,256

Qlarant Quality Solutions, Inc.

Easton, MD

Qlarant Quality Solutions, Inc. is a federal category business profile based in Easton, MD. The current public data layer shows $48,633,205 in visible federal obligations across 5 awards or transactions. Department of Health and Human Services appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541618 (Other Management Consulting Services). The profile also shows meaningful product and service activity in PSC Q101.

$987,791