Open federal opportunities in NAICS 238170 (Siding Contractors)
There are currently 7 open federal opportunities indexed under NAICS 238170, from 2 agencies. 3 close in the next 14 days. 43% carry a small-business or socio-economic set-aside.
NAICS 238170 sits in industry group 2381 (Foundation Structure And Building Exterior Contractors), part of the Construction sector. It's the code contracting officers assign to say which industry a requirement belongs to, and it sets the size standard a firm must meet to compete for any small-business set-aside.
- Open now
- 7
- Closing in 14 days
- 3
- Set aside
- 43%
Agencies buying most in this space
Department of the Interior posted 86% of the open NAICS 238170 notices.
- Department of the Interior6 open
- Department of Defense1 open
Where these opportunities are in the process
- Sources sought: early market research; a chance to shape the requirement1
- Solicitation: open for bids now4
- Combined synopsis/solicitation: open for bids now, usually a simpler buy2
Set-asides
A set-aside limits who can bid. If your firm holds the matching certification and meets the size standard for NAICS 238170, these are the opportunities with the fewest competitors.
- No set-aside (full and open)4 (57%)
- Small business2 (29%)
- Other set-aside1 (14%)
Closing next
- Gutter Cleaning and Maintenance ServicesDepartment of Defense · Sources Sought · due Nov 6, 2026
- TX-CADDO LAKE NWR-VC SIDING REPAIRDepartment of the Interior · Combined Synopsis/Solicitation · due Nov 6, 2026
- Z--TX-CADDO LAKE NWR-VC SIDING REPAIRDepartment of the Interior · Combined Synopsis/Solicitation · due Nov 6, 2026
- Z--ID-KOOSKIA NATIONAL FISH- GUTTER RPLCMNTDepartment of the Interior · Solicitation · due Nov 17, 2026
- Z--ID-KOOSKIA NATIONAL FISH- GUTTER RPLCMNTDepartment of the Interior · Solicitation · due Nov 17, 2026
- Z--ID-KOOSKIA NATIONAL FISH- GUTTER RPLCMNTDepartment of the Interior · Solicitation · due Nov 17, 2026
- ID-KOOSKIA NATIONAL FISH- GUTTER RPLCMNTDepartment of the Interior · Solicitation · due Nov 17, 2026
Which of these could you actually win?
Score your firm against a NAICS 238170 opportunity. Free, no login.
Score your fitRelated NAICS codes with open work
- 238160Roofing Contractors20 open
- 238110Poured Concrete Foundation And Structure Contractors6 open
- 238190Other Foundation Structure And Building Exterior Contractors5 open
- 238220Plumbing Heating And Air Conditioning Contractors92 open
- 238210Electrical Contractors And Other Wiring Installation Contractors65 open
- 238330Flooring Contractors31 open
- 238290Other Building Equipment Contractors29 open
- 238990All Other Specialty Trade Contractors24 open
Source: SAM.gov opportunity data and FSRS subaward data indexed by WinnableGov · as of October 30, 2026. Counts reflect open notices with a future response deadline. NAICS 238170 (Siding Contractors) data refreshes hourly.