NAICS 23

Construction

7,886 active contract opportunities

7,886

Active Opportunities

6,988

Posted Last 7 Days

30 days

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Top Industries

  • Commercial and Institutional Building Construction2332
  • Plumbing, Heating, and Air-Conditioning Contractors1059
  • Other Heavy and Civil Engineering Construction875
  • Highway, Street, and Bridge Construction674
  • Electrical Contractors and Other Wiring Installation Contractors478

Set-Aside Distribution

  • 3014
  • Small Business1840
  • SDVOSB1074
  • Small Business Set Aside - Total839
  • No Set Aside420

Top Locations

  • VA1080
  • CA463
  • WA420
  • OH404
  • DC377

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

USDA-ARS Mississippi Roofing Repairs - 02 Package 1174574 Vent boots

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 238160
Posted Sep 21, 2026
Small Business Set Aside - Total

USDA-ARS Mississippi Roofing Repairs - 01 Package 1174723 Roof Protective Seal Coating.

AGRICULTURE, DEPARTMENT OF
Atlanta, GA
NAICS 238160
Posted Sep 21, 2026
Small Business Set Aside - Total

Construction of the Recharge Master Plan Update Basin Improvements Project Montclair Basin Improvements, Project No. RW15003.03

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

Terrace Drive Sewer System Improvements – Chimney Rock, NC

Small Business Administration (SBA)
NC
NAICS 237110
Posted Sep 21, 2026
Due Oct 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)

CBP#3980 Cast Iron Replacement (Truth Dorm)

Small Business Administration (SBA)
WV
NAICS 238220
Posted Sep 21, 2026
Due Oct 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)

DORM DUCT & EXHAUST FAN CLEANING

Small Business Administration (SBA)
MD
NAICS 238220
Posted Sep 21, 2026
Due Oct 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), 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)

WC 1463

Small Business Administration (SBA)
MD
NAICS 237110
Posted Sep 21, 2026
Due Oct 7, 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)

Purified Water Replenishment - San Jacinto Valley Advanced Water Purification Facility

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 20, 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)

PURIFIED WATER REPLENISHMENT-SAN JACINTO VALLEY ADVANCED WATER PURIFICATION FACILITY-SPECIFICATION NO. 1472W

Small Business Administration (SBA)
CA
NAICS 238990
Posted Sep 21, 2026
Due Oct 20, 2026
Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Veteran-Owned Small Business (VOSB), 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)

W912PP26PA037 BLDG 753 8(a) Sole Source Award Notice

DEPT OF DEFENSE
ALBUQUERQUE, NM
NAICS 236220
Posted Sep 21, 2026

ZONE G WATER MAIN REPLACEMENT PROJECT

Small Business Administration (SBA)
CA
NAICS 237110
Posted Sep 21, 2026
Due Oct 19, 2026
Small Business (SB)

Z-PECO - REPLACE SIDING AND FOUR HVAC UNIT

INTERIOR, DEPARTMENT OF THE
Rapid City, SD
NAICS 238130
Posted Sep 21, 2026

RAPID (Robins Agile Practices for Infrastructure Development) at Robins AFB

DEPT OF DEFENSE
NAICS 236220
Posted Sep 21, 2026
Due Sep 16, 2027
No Set Aside

Maine Air National Guard Fuel Cell Hangar (FCH), Project No. FKNN159044

DEPT OF DEFENSE
BANGOR, ME
NAICS 236220
Posted Sep 21, 2026
No Set Aside

Y1PZ-810CM3033 Gravesite Expansion with FCA Deficiencies at Dayton NC

VETERANS AFFAIRS, DEPARTMENT OF
QUANTICO, VA
NAICS 237990
Posted Sep 21, 2026
SDVOSB

Shake Creek Guard Station & Big Smoky Guard Station Hybrid Electrical Improvements

AGRICULTURE, DEPARTMENT OF
Ogden, UT
NAICS 238210
Posted Sep 21, 2026
Small Business Set Aside - Total

Z1DA-598-19-112 Replace Underground 15kV Connectors and transformers-NLR

VETERANS AFFAIRS, DEPARTMENT OF
RIDGELAND, MS
NAICS 238210
Posted Sep 21, 2026
SDVOSB

J-WA-SPRING CRK NFH-AUTO TRANSFER SWITCH

INTERIOR, DEPARTMENT OF THE
Falls Church, VA
NAICS 238210
Posted Sep 21, 2026

Z1DA-Upgrade Fire Alarm System Construction 676-22-110

VETERANS AFFAIRS, DEPARTMENT OF
MILWAUKEE, WI
NAICS 238210
Posted Sep 21, 2026
Due Oct 20, 2026
SDVOSB

Y-GAOA Milner Picnic Site Cabana Replacement

INTERIOR, DEPARTMENT OF THE
BOISE, ID
NAICS 237990
Posted Sep 21, 2026
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