NAICS 237in23:Construction

Heavy and Civil Engineering Construction

2,128 active contract opportunities

2,128

Active Opportunities

1,840

Posted Last 7 Days

30 days

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Top Industries

  • Other Heavy and Civil Engineering Construction874
  • Highway, Street, and Bridge Construction676
  • Water and Sewer Line and Related Structures Construction383
  • Power and Communication Line and Related Structures Construction116
  • Oil and Gas Pipeline and Related Structures Construction32

Set-Aside Distribution

  • 861
  • Small Business610
  • Small Business Set Aside - Total217
  • No Set Aside137
  • SDVOSB104

Top Locations

  • VA273
  • CA172
  • WA156
  • CO117
  • LA105

About NAICS237

The North American Industry Classification System (NAICS) code 237 covers heavy and civil engineering construction. Federal agencies use NAICS codes to classify contracts by industry. Businesses should register their applicable NAICS codes in SAM.gov.

SAM.gov Registration →|Set-Aside Programs →

Related Industries

236:Construction of Buildings238:Specialty Trade Contractors

Bucksport WWTP 42-inch Effluent Force Main in Conway, SC

Small Business Administration (SBA)
SC
NAICS 237110
Posted Oct 1, 2026
Due Oct 5, 2026
Small Business (SB), SAM.gov designated Small Disadvantaged Business (SDB), SBA certified Women-Owned Small Business (WOSB), SBA certified HUBZone Small Business (HUBZone SB), Certified Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

IEUA RP-5 Offsite Facilities Project No. EN19001.03 and Butterfield Lift Station Improvements Project No. EN26054

Small Business Administration (SBA)
CA
NAICS 237110
Posted Oct 1, 2026
Due Oct 29, 2026
Small Business (SB), SAM.gov designated Small Disadvantaged Business (SDB), SBA certified Women-Owned Small Business (WOSB), SBA certified HUBZone Small Business (HUBZone SB), SBA certified Veteran Owned Small Business (VOSB), SBA certified Service-Disabled Veteran Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Certified Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

COLLEGE PLACE WWTP PHASE 1B

Small Business Administration (SBA)
WA
NAICS 237110
Posted Oct 1, 2026
Due Oct 20, 2026
Small Business (SB), SAM.gov designated Small Disadvantaged Business (SDB), SBA certified Women-Owned Small Business (WOSB), SBA certified HUBZone Small Business (HUBZone SB), SBA certified Veteran Owned Small Business (VOSB), SBA certified Service-Disabled Veteran Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Certified Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements

Small Business Administration (SBA)
CA
NAICS 237110
Posted Oct 1, 2026
Due Oct 29, 2026
Small Business (SB), SAM.gov designated Small Disadvantaged Business (SDB), SBA certified Women-Owned Small Business (WOSB), SBA certified HUBZone Small Business (HUBZone SB), SBA certified Veteran Owned Small Business (VOSB), SBA certified Service-Disabled Veteran Owned Small Business (SDVOSB), Alaskan Native Corporation (ANC) or Indian Tribe (IT), Native Hawaiian Organization (NHO), Certified Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Shipyard Infrastructure Optimization Program Multi-Mission Dry Dock, Multiple Award Construction Contract

DEPT OF DEFENSE
SILVERDALE, WA
NAICS 237990
Posted Sep 30, 2026
Due Dec 1, 2026

Water Tank Storage (AM04)

DEPT OF DEFENSE
MOBILE, AL
NAICS 237110
Posted Sep 30, 2026
Small Business Set Aside - Total

CONSTRUCT RANGE ROAD 218 BY-PASS AT D-51, EGLIN AIR FORCE BASE, FLORIDA

DEPT OF DEFENSE
MOBILE, AL
NAICS 237310
Posted Sep 30, 2026
8(a) Set-Aside

Phillips Parkway Haul Route

DEPT OF DEFENSE
MOBILE, AL
NAICS 237310
Posted Sep 30, 2026
Small Business Set Aside - Total

Bayou Meto Canal 1000 Phase 4.2

DEPT OF DEFENSE
MEMPHIS, TN
NAICS 237990
Posted Sep 30, 2026
Due Oct 30, 2026

Mather Fueling System Repairs

DEPT OF DEFENSE
OMAHA, NE
NAICS 237120
Posted Sep 30, 2026
Due Oct 14, 2026
Small Business Set Aside - Total

SYNOPSIS OF AWARD FOR BELTON LAKE - WESTCLIFF ROAD IMPROVEMENTS

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 237310
Posted Sep 30, 2026
Small Business Set Aside - Total

Fall River Lake and Dam Damsite Park Lagoon Repair

DEPT OF DEFENSE
TULSA, OK
NAICS 237990
Posted Sep 30, 2026
Due Oct 13, 2026
Small Business Set Aside - Total

AWARD 70Z03026CCLEV0117; USCG LORAIN EZ-SUPPLY FLOORING RENEWAL, USCG STA LORAIN, 110 ALABAMA AVE, LORAIN, OH 44052.

HOMELAND SECURITY, DEPARTMENT OF
CLEVELAND, OH
NAICS 237990
Posted Sep 30, 2026
Small Business Set Aside - Total

167th AW Base Pavement Repairs

DEPT OF DEFENSE
MARTINSBURG, WV
NAICS 237310
Posted Sep 30, 2026
Small Business Set Aside - Total

B-21 Utilities & Site Improvements, Communications and Electric Infrastructure, Dyess Air Force Base, Texas

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 237130
Posted Sep 30, 2026
Due Oct 14, 2026
No Set Aside

BEJ Courtesy Dock Supply and Installation

DEPT OF DEFENSE
WILMINGTON, NC
NAICS 237990
Posted Sep 30, 2026
Due Oct 9, 2026
Small Business Set Aside - Total

Lava Lands Pump Replacement & Well Survey

AGRICULTURE, DEPARTMENT OF
Portland, OR
NAICS 237110
Posted Sep 30, 2026
Small Business Set Aside - Total

WA NP OLYM 12(8), Hurricane Ridge Rockfall Mitigation MP 9.4

TRANSPORTATION, DEPARTMENT OF
VANCOUVER, WA
NAICS 237310
Posted Sep 30, 2026
Due Nov 4, 2026
Small Business Set Aside - Total

Bakersfield National Cemetery Gravesite Expansion

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Sep 30, 2026
SDVOSB

Design-Bid-Build, P1102 Weapons Magazine and Ordnance Operations Facility, Naval Submarine Base New London, Groton, Connecticut

DEPT OF DEFENSE
NORFOLK, VA
NAICS 237990
Posted Sep 30, 2026
Due Oct 14, 2026
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