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Department of the Interior NAICS 236220 and PSC Z1AA contractors

Commercial and Institutional Building Construction. MAINTENANCE OF OFFICE BUILDINGS. Use this deeper buyer cross-code page to see which visible contractors sit in the overlap between these two lanes under Department of the Interior.

Department of the Interior · NAICS 236220 · PSC Z1AA
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$542,294,487

State overlap

4

Top recipients

Visible recipients in the Department of the Interior overlap of NAICS 236220 and PSC Z1AA

Hensel Phelps Services LLC

Greeley, CO

Hensel Phelps Services LLC is a federal category business profile based in Greeley, CO. The current public data layer shows $3,823,806 in visible federal obligations across 8 awards or transactions. Social Security Administration appears as the strongest visible awarding agency. Top industry concentration is in NAICS 238220 (Plumbing, Heating, and Air-Conditioning Contractors). The profile also shows meaningful product and service activity in PSC Z1AA.

$18,102,425

Ryan Companies US INC

Minneapolis, MN

Ryan Companies US INC is a federal category business profile based in Minneapolis, MN. The current public data layer shows $2,279,437 in visible federal obligations across 5 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 Z111.

$440,568,038

Ahtna Design-build INC

West Sacramento, CA

Ahtna Design-build INC is a federal 8a program participant profile based in West Sacramento, CA. The current public data layer shows $2,082,852 in visible federal obligations across 10 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.

$71,453,810

Venesco Construction Management LLC

Chantilly, VA

Venesco Construction Management LLC is a federal category business profile based in Chantilly, VA. The current public data layer shows $1,783,855 in visible federal obligations across 14 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.

$12,170,214