NAICS 237in23:Construction

Heavy and Civil Engineering Construction

1,325 active contract opportunities

1,325

Active Opportunities

1,176

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

Other Heavy and Civil Engineering Construction556
Highway, Street, and Bridge Construction430
Water and Sewer Line and Related Structures Construction209
Power and Communication Line and Related Structures Construction68
NAICS 237110 Water and Sewer Line and Related Structures Construction24

Set-Aside Distribution

Small Business524
522
Full & Open63
No Set Aside60
SDVOSB57

Top Locations

VA156
CA132
WA112
LA72
CO59

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 Buildings 238:Specialty Trade Contractors

Road Striping

Small Business Administration (SBA)

Posted May 12, 2026

Due May 13, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB)

Storage Tank Replacement at Flintstone Elementary School

Small Business Administration (SBA)

Posted May 12, 2026

Due Jun 2, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), 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), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

2026 Pioneer Trail Waterline Project (REBID)

Small Business Administration (SBA)

Posted May 12, 2026

Due Jun 9, 2026

Small Disadvantaged Business (SDB), 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)

2026 Pioneer Trail Waterline Project (Rebid)

Small Business Administration (SBA)

Posted May 12, 2026

Due Jun 9, 2026

Small Disadvantaged Business (SDB), 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)

2026 Pioneer Trail Waterline Project (Rebid)

Small Business Administration (SBA)

Posted May 12, 2026

Due Jun 9, 2026

Small Disadvantaged Business (SDB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

DALLAS EXECUTIVE AIRPORT TAXIWAY APRON PAVED ISLANDS CONSTRUCTION CIZ26-AVI-3227

Small Business Administration (SBA)

Posted May 12, 2026

Due May 15, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB)

2026 Pioneer Trail Waterline Project (REBID)

Small Business Administration (SBA)

Posted May 12, 2026

Due Jun 9, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Piper Road and Sinkhole Repair

Small Business Administration (SBA)

Posted May 12, 2026

Due May 26, 2026

Small Business (SB), 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)

City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants

Small Business Administration (SBA)

Posted May 11, 2026

Due Jun 8, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), 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), 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)

CITY OF MORRIS NORTH WATER TREATMENT PLANT

Small Business Administration (SBA)

Posted May 11, 2026

Due Jun 18, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), 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), 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)

26165 Lexington, KY - LFUCG North Elkhorn Force Main Relocation

Small Business Administration (SBA)

Posted May 11, 2026

Due May 26, 2026

Women-Owned Small Business (WOSB), 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), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

City of Garden Grove Wells 22, 26, & 27 PFAS Water Treatment Plants Project

Small Business Administration (SBA)

Posted May 11, 2026

Due Jun 8, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), Veteran-Owned Small Business (VOSB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB), 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)

City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants, CA

Small Business Administration (SBA)

Posted May 10, 2026

Due Jun 8, 2026

Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants Project

Small Business Administration (SBA)

Posted May 8, 2026

Due Jun 8, 2026

Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

City of Garden Grove Wells 22, 26, and 27 PFAS Water Treatment Plants, CA

Small Business Administration (SBA)

Posted May 8, 2026

Due Jun 8, 2026

Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

BIG CREEK TUNNEL (BCT) PROJECT NO. 1680

Small Business Administration (SBA)

Posted May 8, 2026

Due Jun 25, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

City of Dripping Springs TWDB - CWSRF Project No. 73819 - South Collector

Small Business Administration (SBA)

Posted May 8, 2026

Due May 29, 2026

Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Rosedale 1 Channel Improvements, CA

Small Business Administration (SBA)

Posted May 8, 2026

Due Jun 3, 2026

Small Business (SB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

NV FLAP NYE 10(1) Bob Ruud Mem Hwy & Bell Vista Ave

Small Business Administration (SBA)

Posted May 8, 2026

Due Jun 2, 2026

Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), SBA-certified HUBZone Small Business (HUBZone SB), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB)

MCDOT Olive Avenue SR303 to Reems Road, AZ

Small Business Administration (SBA)

Posted May 7, 2026

Due May 14, 2026

Small Business (SB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation

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