NAICS 23

Construction

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4,580

Active Opportunities

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Posted Last 7 Days

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Top Industries

  • Commercial and Institutional Building Construction1402
  • Plumbing, Heating, and Air-Conditioning Contractors604
  • Other Heavy and Civil Engineering Construction553
  • Highway, Street, and Bridge Construction425
  • Electrical Contractors and Other Wiring Installation Contractors268

Set-Aside Distribution

  • 1731
  • Small Business1539
  • SDVOSB629
  • No Set Aside172
  • 8(a) Sole Source118

Top Locations

  • VA578
  • CA295
  • WA251
  • TX192
  • OH190

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

302 Dorm HVAC Replacement

Small Business Administration (SBA)
KY
NAICS 238220
Posted Jun 2, 2026
Due Jun 17, 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)

LA JCC Lobby Door Repair Services

Small Business Administration (SBA)
CA
NAICS 238290
Posted Jun 2, 2026
Due Jun 4, 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 Veteran Business Enterprise (DVBE) – State of California

NSCS - Kanes Marina & Alder Street

Small Business Administration (SBA)
OR
NAICS 237110
Posted Jun 2, 2026
Due Jun 16, 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)

Shepherd, TX Water System Improvements

Small Business Administration (SBA)
TX
NAICS 237110
Posted Jun 2, 2026
Due Jun 10, 2026
Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Wastewater Treatment Plant Equalization Basin

Small Business Administration (SBA)
CA
NAICS 237110
Posted Jun 2, 2026
Due Jul 2, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal)

Vinton Steel Well

Small Business Administration (SBA)
TX
NAICS 237110
Posted Jun 2, 2026
Due Jun 26, 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)

301 Dorm HVAC Replacement

Small Business Administration (SBA)
KY
NAICS 238220
Posted Jun 1, 2026
Due Jun 17, 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)

Window Blinds

Small Business Administration (SBA)
ID
NAICS 238390
Posted Jun 1, 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), 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)

UPMC LINAC Replacement

Small Business Administration (SBA)
MD
NAICS 236220
Posted Jun 1, 2026
Due Jun 16, 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)

RFQ 5501 Bldg. 181 Door Repair Services

Small Business Administration (SBA)
CA
NAICS 238150
Posted Jun 1, 2026
Due Jun 12, 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)

Bob Ruud Memorial Highway & Bell Vista Ave.

Small Business Administration (SBA)
NV
NAICS 237310
Posted May 31, 2026
Due Jun 10, 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)

Mountain Creek Regional Wastewater System Expansion from 7.0 MGD to 10.0 MGD

Small Business Administration (SBA)
CA
NAICS 237110
Posted May 28, 2026
Due Jun 11, 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 Banning - IFB 26-126 Wastewater Treatment Plant Equalization Basin, CA

Small Business Administration (SBA)
CA
NAICS 237310
Posted May 28, 2026
Due Jul 2, 2026
Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Electrical Upgrades

Small Business Administration (SBA)
MI
NAICS 238210
Posted May 28, 2026
Due Jun 5, 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)

Jacob Riis Bulkhead

Small Business Administration (SBA)
NY
NAICS 237990
Posted May 28, 2026
Due Jun 15, 2026
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)

W. Oakland BART Sanitary Sewer & Offsite Improvements Projects

Small Business Administration (SBA)
CA
NAICS 237110
Posted May 28, 2026
Due Jun 5, 2026
Small Business (SB)

Electrical Upgrades - remove and replace defective expansion tank

Small Business Administration (SBA)
MI
NAICS 238210
Posted May 28, 2026
Due Jun 5, 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)

State of CA – DGS – Steam Distribution System Renovation, Project No. 133388

Small Business Administration (SBA)
CA
NAICS 238990
Posted May 28, 2026
Due Jun 10, 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)

CBP5431 Freezer #4 Repairs

Small Business Administration (SBA)
CA
NAICS 238220
Posted May 28, 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), SBA-certified Service-Disabled Veteran-Owned Small Business (SDVOSB)

CIMH8245A26

Small Business Administration (SBA)
MD
NAICS 237110
Posted May 28, 2026
Due Jun 16, 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)
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