Agency + NAICS page

Department of Defense NAICS 236220 contractors

Commercial and Institutional Building Construction. 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

156

Mapped obligations

$121,627,101,021

Top PSC links

4

Top recipients

Visible recipients tied to Department of Defense and NAICS 236220

Christman Company, The

Lansing, MI

Christman Company, The is a federal category business profile based in Lansing, MI. The current public data layer shows $3,229,863 in visible federal obligations across 14 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 Z2AA.

$423,408,426

Olgoonik Specialty Contractors, LLC

Colorado Springs, CO

Olgoonik Specialty Contractors, LLC is a federal alaskan native corporation owned firm profile based in Colorado Springs, CO. The current public data layer shows $3,132,019 in visible federal obligations across 32 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.

$312,099,131

The Weitz Company, LLC

Des Moines, IA

The Weitz Company, LLC is a federal category business profile based in Des Moines, IA. The current public data layer shows $3,121,448 in visible federal obligations across 4 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 Z129.

$3,093,765

Agency Management Concepts INC

Oakton, VA

Agency Management Concepts INC is a federal 8a program participant profile based in Oakton, VA. The current public data layer shows $2,993,604 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 561621 (Security Systems Services (except Locksmiths)). The profile also shows meaningful product and service activity in PSC N063.

$250,140

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.

$440,544,122

Max Gray Construction, Inc.

Hibbing, MN

Max Gray Construction, Inc. is a federal category business profile based in Hibbing, MN. The current public data layer shows $2,088,100 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 Y1EB.

$63,186,124

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.

$58,833,676

Suffolk Construction Company, Inc.

Roxbury, MA

Suffolk Construction Company, Inc. is a federal category business profile based in Roxbury, MA. The current public data layer shows $1,918,773 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.

$246,029,265

Clark Builders Group LLC

Arlington, VA

Clark Builders Group LLC is a federal category business profile based in Arlington, VA. The current public data layer shows $1,545,103 in visible federal obligations across 3 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 519190 (All Other Information Services). The profile also shows meaningful product and service activity in PSC 5810.

$159,787

Watterson Construction CO

Anchorage, AK

Watterson Construction CO is a federal category business profile based in Anchorage, AK. The current public data layer shows $1,394,329 in visible federal obligations across 13 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.

$622,992,771
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