Agency + NAICS page

Department of the Treasury NAICS 541330 contractors

Engineering Services. Use this buyer-scoped industry page to see which visible contractors sit closest to this NAICS lane under Department of the Treasury.

Agency: Department of the Treasury
Last updated: April 6, 2026

Visible recipients

14

Mapped obligations

$18,693,607,081

Top PSC links

4

Top recipients

Visible recipients tied to Department of the Treasury and NAICS 541330

Mantech Gray Hawk Systems, Inc.

Falls Church, VA

Mantech Gray Hawk Systems, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $28,570,924 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 541330 (Engineering Services). The profile also shows meaningful product and service activity in PSC R425.

$15,885,465

Vse Corporation

Miramar, FL

Vse Corporation is a federal category business profile based in Miramar, FL. The current public data layer shows $27,628,463 in visible federal obligations across 147 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 336611 (Ship Building and Repairing). The profile also shows meaningful product and service activity in PSC J998.

$289,711,015

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 253 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.

$19,249,749

Dt Professional Services, LLC

Moorpark, CA

Dt Professional Services, LLC is a federal 8a program participant profile based in Moorpark, CA. The current public data layer shows $13,423,477 in visible federal obligations across 59 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.

$23,761,023
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