NAICS + PSC page

NAICS 237990 and PSC Y1KF contractors

Other Heavy and Civil Engineering Construction. CONSTRUCTION OF DREDGING FACILITIES. Use this cross-code page to see which visible federal contractors sit in the overlap between these two public category lanes.

NAICS 237990 + PSC Y1KF
Last updated: April 8, 2026

Visible recipients

4

Mapped obligations

$5,942,769,284

State overlap

0

Top recipients

Visible recipients in the NAICS 237990 and PSC Y1KF overlap

Manson Construction CO

Seattle, WA

Manson Construction CO is a federal category business profile based in Seattle, WA. The current public data layer shows $223,706,344 in visible federal obligations across 86 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Y1KF.

$5,433,015,178

Ahtna Infrastructure & Technologies LLC

Anchorage, AK

Ahtna Infrastructure & Technologies LLC is a federal 8a program participant profile based in Anchorage, AK. The current public data layer shows $46,084,407 in visible federal obligations across 70 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.

$36,856,190

Ahtna Marine & Construction Company, LLC

Boynton Beach, FL

Ahtna Marine & Construction Company, LLC is a federal 8a program participant profile based in Boynton Beach, FL. The current public data layer shows $4,412,554 in visible federal obligations across 15 awards or transactions. Department of Defense appears as the strongest visible awarding agency. Top industry concentration is in NAICS 237990 (Other Heavy and Civil Engineering Construction). The profile also shows meaningful product and service activity in PSC Z1KF.

$76,537,247

Mccarthy Building Companies, Inc.

Saint Louis, MO

Mccarthy Building Companies, Inc. is a federal category business profile based in Saint Louis, MO. The current public data layer shows $52,932 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 Y1KF.

$396,360,669