NAICS 23

Construction

7,435 active contract opportunities

7,435

Active Opportunities

5,484

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Commercial and Institutional Building Construction2182
  • Plumbing, Heating, and Air-Conditioning Contractors1041
  • Other Heavy and Civil Engineering Construction835
  • Highway, Street, and Bridge Construction643
  • Electrical Contractors and Other Wiring Installation Contractors471

Set-Aside Distribution

  • 2599
  • Small Business1869
  • SDVOSB1029
  • Small Business Set Aside - Total835
  • No Set Aside416

Top Locations

  • VA971
  • CA447
  • DC427
  • WA387
  • TX342

About NAICS23

The North American Industry Classification System (NAICS) code 23 covers 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

AMC-0158 NEW RTR Public Announcement

Small Business Administration (SBA)
LA
NAICS 236210
Posted Aug 21, 2026
Due Nov 1, 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)

Bowman, ND Water Storage Reservoir

Small Business Administration (SBA)
ND
NAICS 237990
Posted Aug 21, 2026
Due Sep 9, 2026
Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Wastewater System Expansion Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 21, 2026
Due Oct 8, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

Pier B On-Dock Rail Support Facility West Expansion & Street Realignment, CA

Small Business Administration (SBA)
CA
NAICS 237310
Posted Aug 21, 2026
Due Sep 15, 2026
Small Business (SB)

Pier B On-Dock Rail Support Facility West Expansion & Street Realignment, CA

Small Business Administration (SBA)
CA
NAICS 237310
Posted Aug 21, 2026
Due Sep 15, 2026
Small Business (SB)

Gum Tree and Knoll Park Pipeline Replacement; Project No. 3274

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 21, 2026
Due Sep 29, 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)

OAKLAND AND SANTA FE WATER LINE REPLACEMENT

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 21, 2026
Due Sep 21, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

INVITATION TO BID - Blackwater River Pump Station Improvements

Small Business Administration (SBA)
VA
NAICS 237990
Posted Aug 21, 2026
Due Sep 2, 2026
Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Water Line Replacement

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 21, 2026
Due Sep 21, 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)

Post Oak Replacement Well

Small Business Administration (SBA)
TX
NAICS 237110
Posted Aug 21, 2026
Due Aug 27, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Inland Empire Utilities Agency - Monitoring Well AR-MW-04, IEUA 1158 Reservoir Site

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 21, 2026
Due Sep 17, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation

AMC-0171 LOU ATCT Public Announcement

Small Business Administration (SBA)
KY
NAICS 236210
Posted Aug 20, 2026
Due Nov 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)

AMC-0174 OWB ATCT Public Announcement

Small Business Administration (SBA)
KY
NAICS 236210
Posted Aug 20, 2026
Due Mar 21, 2027
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)

RFP ANM-1396-00 BNATCS: Burlington (QLN) UIS Facility and Tower Replacement in Burlington, OR

Small Business Administration (SBA)
OR
NAICS 237130
Posted Aug 20, 2026
Due Sep 21, 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)

JCSD Intervalley Pipeline Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 20, 2026
Due Sep 18, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Correct Egress Door & Install Panic Hardware

Small Business Administration (SBA)
IN
NAICS 238130
Posted Aug 20, 2026
Due Sep 1, 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)

This is a subcontracting opportunity for plumbing upgrade

Small Business Administration (SBA)
MI
NAICS 238220
Posted Aug 20, 2026
Due Sep 1, 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)

This is a subcontracting opportunity for plumbing repair in Food Service Cafeteria.

Small Business Administration (SBA)
MI
NAICS 238220
Posted Aug 20, 2026
Due Sep 1, 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)

JCSD INTERVALLEY PIPELINE PROJECT P.N.C155003

Small Business Administration (SBA)
CA
NAICS 237110
Posted Aug 20, 2026
Due Sep 18, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

VAS Trellis Systems for Field 11 and 21, Parlier, California

AGRICULTURE, DEPARTMENT OF
BELTSVILLE, MD
NAICS 238990
Posted Aug 20, 2026
Due Aug 25, 2026
Small Business Set Aside - Total
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