NAICS + PSC page

NAICS 237310 and PSC Y1AZ contractors

Highway, Street, and Bridge Construction. CONSTRUCTION OF OTHER ADMINISTRATIVE FACILITIES AND SERVICE BUILDINGS. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 237310 + PSC Y1AZ
Last updated: April 8, 2026

Visible recipients

9

Mapped obligations

$3,821,082,121

State overlap

0

Top recipients

Visible recipients in the NAICS 237310 and PSC Y1AZ overlap

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.

$1,822,329,386

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.

$443,781,957

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.

$610,618,440

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.

$364,687,286

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.

$180,940,444

Akima Construction Services LLC

Herndon, VA

Akima Construction Services LLC is a federal alaskan native corporation owned firm profile based in Herndon, VA. The current public data layer shows $79,828,656 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 Y111.

$48,881,268

J & J Contractors, Inc.

North Billerica, MA

J & J Contractors, Inc. is a federal category business profile based in North Billerica, MA. The current public data layer shows $32,019,876 in visible federal obligations across 16 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.

$73,563,272

Tutor Perini Corporation

Sylmar, CA

Tutor Perini Corporation is a federal category business profile based in Sylmar, CA. The current public data layer shows $7,919,316 in visible federal obligations across 38 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.

$230,492,272

Doyon Project Services, LLC

Federal Way, WA

Doyon Project Services, LLC is a federal alaskan native corporation owned firm profile based in Federal Way, WA. The current public data layer shows $152,245 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 Y199.

$45,787,796