NAICS 23
Construction
4,519 active contract opportunities
4,519
Active Opportunities
194
Posted Last 7 Days
30 days
Avg Response Window
Top Industries
- Commercial and Institutional Building Construction1439
- Plumbing, Heating, and Air-Conditioning Contractors581
- Other Heavy and Civil Engineering Construction546
- Highway, Street, and Bridge Construction395
- Electrical Contractors and Other Wiring Installation Contractors268
Set-Aside Distribution
- 1697
- Small Business1519
- SDVOSB660
- No Set Aside190
- 8(a) Sole Source116
Top Locations
- VA533
- CA268
- WA233
- TX208
- DC197
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.
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NAICS 236220
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NAICS 238320
Posted Jan 23, 2026
Due Jan 30, 2026
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