Agency + NAICS + PSC page

Department of Defense NAICS 541611 and PSC DA01 contractors

Administrative Management and General Management Consulting Services. IT AND TELECOM - BUSINESS APPLICATION/APPLICATION DEVELOPMENT SUPPORT SERVICES (LABOR). Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of Defense.

Department of Defense · NAICS 541611 · PSC DA01
Last updated: April 8, 2026

Visible recipients

54

Mapped obligations

$31,770,199,250

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 541611 and PSC DA01

Zantech It Services, Inc.

Reston, VA

Zantech It Services, Inc. is a federal category business profile based in Reston, VA. The current public data layer shows $5,074,846 in visible federal obligations across 51 awards or transactions. Department of Homeland Security 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.

$198,957,586

A1fedimpact,llc

Reston, VA

A1fedimpact,llc is a federal category business profile based in Reston, VA. The current public data layer shows $4,645,617 in visible federal obligations across 25 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 DA01.

$14,297,476

Onezero Solutions, LLC

Alexandria, VA

Onezero Solutions, LLC is a federal 8a program participant profile based in Alexandria, VA. The current public data layer shows $4,191,570 in visible federal obligations across 31 awards or transactions. Department of Homeland Security 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 DA01.

$8,283,708

Ironarch Technology LLC

Arlington, VA

Ironarch Technology LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $2,285,492 in visible federal obligations across 41 awards or transactions. Department of Veterans Affairs 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 R499.

$13,363,813
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