NAICS 23

Construction

6,583 active contract opportunities

6,583

Active Opportunities

5,940

Posted Last 7 Days

30 days

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Top Industries

  • Commercial and Institutional Building Construction1987
  • Plumbing, Heating, and Air-Conditioning Contractors885
  • Other Heavy and Civil Engineering Construction781
  • Highway, Street, and Bridge Construction570
  • Electrical Contractors and Other Wiring Installation Contractors408

Set-Aside Distribution

  • Small Business2362
  • 2335
  • SDVOSB909
  • No Set Aside364
  • 8(a) Sole Source127

Top Locations

  • VA833
  • DC374
  • CA371
  • WA339
  • TX302

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

CBP#9236 Sanitary Sewer Lateral Replacement and Site Restoration

Small Business Administration (SBA)
NJ
NAICS 237110
Posted Jul 12, 2026
Due Jul 30, 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-Nalo-Concrete Patching and CMU Wall Repair

Small Business Administration (SBA)
HI
NAICS 238140
Posted Jul 12, 2026
Due Aug 28, 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-Maui-HBI Classroom Repair

Small Business Administration (SBA)
HI
NAICS 238170
Posted Jul 12, 2026
Due Aug 20, 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-Maui-Dorm Exhaust Fans

Small Business Administration (SBA)
HI
NAICS 238220
Posted Jul 12, 2026
Due Aug 28, 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)

WOJC - Door Repairs (Welcome Center and Cafeteria)

Small Business Administration (SBA)
MA
NAICS 238290
Posted Jul 12, 2026
Due Jul 31, 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)

Keystone Building 14 Demolition

Small Business Administration (SBA)
PA
NAICS 238910
Posted Jul 11, 2026
Due Aug 3, 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)

Replacement Fiber Line

Small Business Administration (SBA)
KY
NAICS 238210
Posted Jul 11, 2026
Due Aug 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)

Interceptor Line Assessment

Small Business Administration (SBA)
NC
NAICS 237110
Posted Jul 11, 2026
Due Jul 30, 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)

SBWRP Reverse Osmosis System

Small Business Administration (SBA)
CA
NAICS 237310
Posted Jul 11, 2026
Due Jul 22, 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, Disadvantaged Veteran Business Enterprise (DVBE) – State of California, Minority Business Enterprise (MBE) – NMSDC certification (non-federal), Woman Business Enterprise (WBE) – WBENC certification (non-federal)

American Embassy Tunis / INL - Secure Remote Court Installation and Configuration

STATE, DEPARTMENT OF
WASHINGTON, DC
NAICS 23821
Posted Jul 11, 2026
Due Jul 20, 2026
No Set Aside

EDIS: REPAIR STAFF LOT GATE & FENCE

INTERIOR, DEPARTMENT OF THE
BOSTON, MA
NAICS 238990
Posted Jul 11, 2026
Due Jul 20, 2026
Small Business

REPLACE B3408 CHILLER, JBPHH-HI

DEPT OF DEFENSE
KAPOLEI, HI
NAICS 238220
Posted Jul 11, 2026
Due Jul 23, 2026
Small Business

Mark Twain NF Beaver Lake Dam Rehabilitation

AGRICULTURE, DEPARTMENT OF
Washington, DC
NAICS 237310
Posted Jul 10, 2026
Due Jul 20, 2026
Small Business

NIST Boulder Building 4 Generator and ATS Replacement

COMMERCE, DEPARTMENT OF
GAITHERSBURG, MD
NAICS 238210
Posted Jul 10, 2026
Due Aug 12, 2026
Small Business

Construction: Military Working Dog Kennel Facility, Fort Hood, TX

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 236220
Posted Jul 10, 2026
Due Jul 30, 2026
Small Business

Installation of an HVAC System into Building 1678

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 238220
Posted Jul 10, 2026
Due Jul 16, 2026
Small Business

Install New FOC from ITB 910 to ITB 1365

DEPT OF DEFENSE
LUKE AFB, AZ
NAICS 237130
Posted Jul 10, 2026
Due Jul 27, 2026
WOSB

Z-REPLACEMENT OF CAPEHART ROOFING PH. 4

INTERIOR, DEPARTMENT OF THE
SAN FRANCISCO, CA
NAICS 238160
Posted Jul 10, 2026
Due Jul 14, 2026

Multi-Building HVAC Controls Upgrade Project

DEPT OF DEFENSE
FORT WORTH, TX
NAICS 238220
Posted Jul 10, 2026
Due Jul 16, 2026
Small Business

Y1DZ-519-371 Construct New CLC Phase III Minor Construction - Big Spring, TX VAMC

VETERANS AFFAIRS, DEPARTMENT OF
INDEPENDENCE, OH
NAICS 236220
Posted Jul 10, 2026
Due Aug 5, 2026
SDVOSB
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