Small Business Administration NAICS 237990 contractors

Other Heavy and Civil Engineering Construction. Contractors in this NAICS lane under Small Business Administration.

Agency: Small Business Administration

Last updated: April 17, 2026

Visible recipients

Mapped obligations

$1,033,388,752

Visible recipients tied to Small Business Administration and NAICS 237990

Watts Constructors LLC

Mc Lean, VA

Mc Lean, VA | 5 awards | Top agency Department of Defense | NAICS 236220

$98,208,457

Nan INC

Honolulu, HI

Honolulu, HI | 100 awards | Top agency Department of Defense | NAICS 236220

$385,700,475

Rlb Contracting, INC

Port Lavaca, TX

Port Lavaca, TX | 5 awards | Top agency Department of Defense | NAICS 237990

$182,294,181

Abbott General Construction, Inc.

Hampton, VA

Hampton, VA | 5 awards | Top agency Department of Defense | NAICS 236220

$6,840,411

Ahtna Government Services CORP

West Sacramento, CA

West Sacramento, CA | 5 awards | Top agency Department of Energy | NAICS 237990

$65,433,609

Marcon Engineering, INC

Escondido, CA

Escondido, CA | 5 awards | Top agency Department of Defense | NAICS 236220

$12,538,516

Tunista Construction LLC

Tacoma, WA

Tacoma, WA | 5 awards | Top agency Department of Defense | NAICS 236220

$17,055,752

Pojoaque Pueblo Service Corporation

Gallup, NM

Gallup, NM | 20 awards | Top agency Department of Defense | NAICS 237990

$23,990,704

Harkins Builders, Inc.

Columbia, MD

Columbia, MD | 7 awards | Top agency Department of Defense | NAICS 236220

$22,382,577

Hdr, INC

Omaha, NE

Omaha, NE | 5 awards | Top agency Department of Veterans Affairs | NAICS 541310

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