Agency + NAICS page

Department of Defense NAICS 541310 contractors

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

Agency: Department of Defense
Last updated: April 8, 2026

Visible recipients

60

Mapped obligations

$3,878,027,647

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 541310

Woolpert, Inc.

Beavercreek, OH

Woolpert, Inc. is a federal category business profile based in Beavercreek, OH. The current public data layer shows $53,524,547 in visible federal obligations across 89 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541360 (Geophysical Surveying and Mapping Services). The profile also shows meaningful product and service activity in PSC C219.

$98,326,439

Waller, Todd & Sadler, A Woolpert Company, LLC

Virginia Beach, VA

Waller, Todd & Sadler, A Woolpert Company, LLC is a federal category business profile based in Virginia Beach, VA. The current public data layer shows $40,438,531 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 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C211.

$26,506,982

Wsp USA Solutions INC

Arlington, VA

Wsp USA Solutions INC is a federal category business profile based in Arlington, VA. The current public data layer shows $36,524,205 in visible federal obligations across 228 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 C219.

$86,378,046

Mwh Constructors INC

Broomfield, CO

Mwh Constructors INC is a federal category business profile based in Broomfield, CO. The current public data layer shows $33,970,837 in visible federal obligations across 5 awards or transactions. Department of the Interior appears as the strongest visible awarding agency. Top industry concentration is in NAICS 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC Y111.

$17,244,956

Exp Federal Inc.

Chicago, IL

Exp Federal Inc. is a federal category business profile based in Chicago, IL. The current public data layer shows $33,712,210 in visible federal obligations across 62 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 N059.

$35,817,899

Kleinfelder INC

Rancho Cordova, CA

Kleinfelder INC is a federal category business profile based in Rancho Cordova, CA. The current public data layer shows $30,745,589 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 C211.

$1,829,609

Moffatt & Nichol

Long Beach, CA

Moffatt & Nichol is a federal category business profile based in Long Beach, CA. The current public data layer shows $30,284,825 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 C219.

$10,024,309

Hitt Contracting, Inc.

Falls Church, VA

Hitt Contracting, Inc. is a federal category business profile based in Falls Church, VA. The current public data layer shows $28,585,983 in visible federal obligations across 33 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y199.

$88,285,577

Michael Baker International, Inc.

Moon Township, PA

Michael Baker International, Inc. is a federal category business profile based in Moon Township, PA. The current public data layer shows $24,496,294 in visible federal obligations across 58 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 C211.

$69,406,065

Woolpert-kzf Jv LLC

Cincinnati, OH

Woolpert-kzf Jv LLC is a federal category business profile based in Cincinnati, OH. The current public data layer shows $23,632,541 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 541310 (Architectural Services). The profile also shows meaningful product and service activity in PSC C211.

$23,632,541
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