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Department of Defense NAICS 236220 and PSC Y1AZ contractors

Commercial and Institutional Building Construction. CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS. 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 236220 · PSC Y1AZ
Last updated: April 8, 2026

Visible recipients

28

Mapped obligations

$77,741,831,610

State overlap

4

Top recipients

Visible recipients in the Department of Defense overlap of NAICS 236220 and PSC Y1AZ

Bl Harbert International LLC

Birmingham, AL

Bl Harbert International LLC is a federal category business profile based in Birmingham, AL. The current public data layer shows $1,013,761,418 in visible federal obligations across 210 awards or transactions. Department of State 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 Y1AA.

$16,703,665,066

Whiting-turner Contracting Company, The

Towson, MD

Whiting-turner Contracting Company, The is a federal category business profile based in Towson, MD. The current public data layer shows $614,842,352 in visible federal obligations across 232 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 Y1JZ.

$7,255,662,390

Walsh Federal LLC

Chicago, IL

Walsh Federal LLC is a federal category business profile based in Chicago, IL. The current public data layer shows $406,413,501 in visible federal obligations across 169 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 Y1BZ.

$2,557,043,805

Ecc International, LLC

Burlingame, CA

Ecc International, LLC is a federal category business profile based in Burlingame, CA. The current public data layer shows $374,253,810 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC S216.

$447,572,467

Rq Construction, LLC

Carlsbad, CA

Rq Construction, LLC is a federal category business profile based in Carlsbad, CA. The current public data layer shows $348,957,024 in visible federal obligations across 120 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 Y1JZ.

$4,442,722,016

Harper Construction Company, Inc.

San Diego, CA

Harper Construction Company, Inc. is a federal category business profile based in San Diego, CA. The current public data layer shows $277,967,049 in visible federal obligations across 51 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 Y1BZ.

$4,342,162,912

Clark Construction Group - California, LP

Costa Mesa, CA

Clark Construction Group - California, LP is a federal category business profile based in Costa Mesa, CA. The current public data layer shows $244,104,223 in visible federal obligations across 17 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 Y1AA.

$907,087,107

The Haskell Company

Jacksonville, FL

The Haskell Company is a federal category business profile based in Jacksonville, FL. The current public data layer shows $239,757,368 in visible federal obligations across 29 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 Y1JZ.

$1,269,215,021

Conti Federal Services, LLC

Orlando, FL

Conti Federal Services, LLC is a federal category business profile based in Orlando, FL. The current public data layer shows $228,051,004 in visible federal obligations across 136 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 Y1BZ.

$1,382,948,563

Bethel-webcor Jv-1

Anchorage, AK

Bethel-webcor Jv-1 is a federal alaskan native corporation owned firm profile based in Anchorage, AK. The current public data layer shows $200,079,360 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1AZ.

$289,328,580
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