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Department of Homeland Security 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 Homeland Security.

Department of Homeland Security · NAICS 236220 · PSC Y1AZ
Last updated: April 8, 2026

Visible recipients

13

Mapped obligations

$34,724,156,079

State overlap

4

Top recipients

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

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

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

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

Brasfield & Gorrie LLC

Birmingham, AL

Brasfield & Gorrie LLC is a federal category business profile based in Birmingham, AL. The current public data layer shows $173,509,129 in visible federal obligations across 66 awards or transactions. General Services Administration 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.

$3,820,030,952

Sealaska Constructors LLC

Seattle, WA

Sealaska Constructors LLC is a federal alaskan native corporation owned firm profile based in Seattle, WA. The current public data layer shows $38,497,365 in visible federal obligations across 47 awards or transactions. Department of the Interior 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 Y1CA.

$395,459,483

Gilbane Federal

Concord, CA

Gilbane Federal is a federal category business profile based in Concord, CA. The current public data layer shows $33,832,334 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 236220 (Commercial and Institutional Building Construction). The profile also shows meaningful product and service activity in PSC Y1AZ.

$4,818,027,562

Harkins Builders, Inc.

Columbia, MD

Harkins Builders, Inc. is a federal category business profile based in Columbia, MD. The current public data layer shows $22,700,634 in visible federal obligations across 7 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.

$391,177,719

Doyon Technical Services, LLC

Federal Way, WA

Doyon Technical Services, LLC is a federal 8a program participant profile based in Federal Way, WA. The current public data layer shows $9,327,302 in visible federal obligations across 20 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.

$84,888,565
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