NAICS 23

Construction

5,179 active contract opportunities

5,179

Active Opportunities

4,707

Posted Last 7 Days

30 days

Avg Response Window

Top Industries

  • Commercial and Institutional Building Construction1590
  • Plumbing, Heating, and Air-Conditioning Contractors678
  • Other Heavy and Civil Engineering Construction629
  • Highway, Street, and Bridge Construction458
  • Electrical Contractors and Other Wiring Installation Contractors315

Set-Aside Distribution

  • 1938
  • Small Business1774
  • SDVOSB727
  • No Set Aside218
  • 8(a) Sole Source120

Top Locations

  • VA648
  • CA316
  • WA277
  • DC229
  • OH221

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

Oklahoma Avenue MIS Capacity Expansion

Small Business Administration (SBA)
WI
NAICS 237110
Posted Mar 30, 2026
Due Apr 22, 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)

Lead Service Line Inventory

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 30, 2026
Due Apr 30, 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)

Tranquillity PUD Headworks Improvements

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 30, 2026
Due Apr 22, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), Disadvantaged Business Enterprise (DBE) – Dept of Transportation, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Solids Biofilter Rehabilitation

Small Business Administration (SBA)
MO
NAICS 237110
Posted Mar 30, 2026
Due Apr 9, 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)

Electrical Repairs and Exit Signage Installs in VA

Small Business Administration (SBA)
VA
NAICS 238210
Posted Mar 30, 2026
Due Apr 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)

Upgrade Lift Station Gravity Feed

Small Business Administration (SBA)
OR
NAICS 237110
Posted Mar 30, 2026
Due Apr 24, 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)

B-10000509

Small Business Administration (SBA)
MD
NAICS 237110
Posted Mar 27, 2026
Due May 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)

RFQ#3191 Laundry Tray Installations

Small Business Administration (SBA)
WV
NAICS 238220
Posted Mar 26, 2026
Due Apr 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)

2026 Water Meter Installation Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 26, 2026
Due May 5, 2026
Small Business (SB), 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)

Bid# 3/25-26 AV High School District Carpet and LVT Replacement Project

Small Business Administration (SBA)
CA
NAICS 238330
Posted Mar 26, 2026
Due Apr 8, 2026
Small Business (SB), Disadvantaged Veteran Business Enterprise (DVBE) – State of California

New Germany State Park Water Distribution, Collection System, and Water/Wastewater Treatment Plant Upgrades

Small Business Administration (SBA)
MD
NAICS 237110
Posted Mar 26, 2026
Due Apr 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, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

WASTEWATER REISE – STORAGE RESERVOIRS – PHASE II

Small Business Administration (SBA)
ID
NAICS 237110
Posted Mar 26, 2026
Due Apr 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)

2026 Pioneer Trail Waterline Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 26, 2026
Due Apr 23, 2026
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

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 26, 2026
Due Apr 23, 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)

503 & 400 dorm road repair

Small Business Administration (SBA)
KY
NAICS 237310
Posted Mar 25, 2026
Due Apr 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)

SC 1043R

Small Business Administration (SBA)
MD
NAICS 237110
Posted Mar 24, 2026
Due Apr 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), 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)

2026 Pioneer Trail Waterline Project

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 24, 2026
Due Apr 23, 2026
Small Business (SB), Small Disadvantaged Business (SDB), Women-Owned Small Business (WOSB), 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)

Philomath Water Treatment Plant Improvements

Small Business Administration (SBA)
OR
NAICS 237110
Posted Mar 24, 2026
Due Mar 31, 2026
Small Business (SB), Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

Pasadena Glenarm Battery Energy Storage System Construction

Small Business Administration (SBA)
CA
NAICS 238210
Posted Mar 24, 2026
Due May 14, 2026
Small Business (SB)

Canyon Lake Plant WO C2001

Small Business Administration (SBA)
CA
NAICS 237110
Posted Mar 24, 2026
Due Jun 24, 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)
Back to contract directory
Gov Contract Finder Logo
© Copyright 2026 Gov Contract Finder.