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Department of the Treasury NAICS 561110 and PSC R499 contractors

Office Administrative 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 the Treasury.

Department of the Treasury · NAICS 561110 · PSC R499
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$2,483,141,963

State overlap

2

Top recipients

Visible recipients in the Department of the Treasury overlap of NAICS 561110 and PSC R499

Brillient Corporation

Reston, VA

Brillient Corporation is a federal category business profile based in Reston, VA. The current public data layer shows $70,430,051 in visible federal obligations across 55 awards or transactions. Department of Homeland Security 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 R699.

$323,416,504

S & K Aerospace, LLC

Saint Ignatius, MT

S & K Aerospace, LLC is a federal category business profile based in Saint Ignatius, MT. The current public data layer shows $35,594,607 in visible federal obligations across 415 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541614 (Process, Physical Distribution, and Logistics Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$2,132,103,260

Fedwriters, Inc.

Fairfax, VA

Fedwriters, Inc. is a federal 8a program participant profile based in Fairfax, VA. The current public data layer shows $27,437,211 in visible federal obligations across 254 awards or transactions. Department of Commerce appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541611 (Administrative Management and General Management Consulting Services). The profile also shows meaningful product and service activity in PSC R699.

$27,030,049

Maximus Federal It, LLC

Mclean, VA

Maximus Federal It, LLC is a federal category business profile based in Mclean, VA. The current public data layer shows $13,200,250 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 541519 (Other Computer Related Services). The profile also shows meaningful product and service activity in PSC D302.

$592,150