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General Services Administration NAICS 541611 and PSC R405 contractors

Administrative Management and General Management Consulting Services. SUPPORT- PROFESSIONAL: OPERATIONS RESEARCH/QUANTITATIVE ANALYSIS. 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 541611 · PSC R405
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$501,263,213

State overlap

3

Top recipients

Visible recipients in the General Services Administration overlap of NAICS 541611 and PSC R405

Koniag It Systems, LLC

Anchorage, AK

Koniag It Systems, LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $98,758,212 in visible federal obligations across 87 awards or transactions. Department of Defense 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 DF01.

$20,460,959

Health Services Advisory Group, Inc.

Phoenix, AZ

Health Services Advisory Group, Inc. is a federal category business profile based in Phoenix, AZ. The current public data layer shows $95,066,197 in visible federal obligations across 30 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.

$143,449,369

The Cadmus Group LLC

Arlington, VA

The Cadmus Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $26,069,830 in visible federal obligations across 289 awards or transactions. Environmental Protection Agency appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541620 (Environmental Consulting Services). The profile also shows meaningful product and service activity in PSC R499.

$256,414,260

Tria Federal, LLC

Arlington, VA

Tria Federal, LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $8,074,207 in visible federal obligations across 27 awards or transactions. Department of Veterans Affairs 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 R408.

$80,938,625