Open federal opportunities in NAICS 212312 (Crushed And Broken Limestone Mining And Quarrying)
There are currently 3 open federal opportunities indexed under NAICS 212312. 1 close in the next 14 days. 100% carry a small-business or socio-economic set-aside.
NAICS 212312 sits in industry group 2123 (Nonmetallic Mineral Mining And Quarrying), part of the Mining Quarrying And Oil And Gas Extraction 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
- 3
- Closing in 14 days
- 1
- Set aside
- 100%
Agencies buying most in this space
Department of Defense posted 100% of the open NAICS 212312 notices.
- Department of Defense3 open
Where these opportunities are in the process
- Presolicitation: a solicitation is coming; time to line up a team2
- Special notice: industry days, draft RFPs and other announcements1
Set-asides
A set-aside limits who can bid. If your firm holds the matching certification and meets the size standard for NAICS 212312, these are the opportunities with the fewest competitors.
- Small business2 (67%)
- 8(a)1 (33%)
Closing next
- Notice of Intent to Award a Sole Source 8(a) Procurement to Next Generation Logistics, LLC, for Levee GravelDepartment of Defense · Special Notice · due Nov 13, 2026
- Stone and Soil MBPA on Fort DrumDepartment of Defense · Presolicitation · due Apr 1, 2030
- Stone and Soil MBPA on Fort DrumDepartment of Defense · Presolicitation · due Apr 1, 2030
Which of these could you actually win?
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Source: SAM.gov opportunity data and FSRS subaward data indexed by WinnableGov · as of November 11, 2026. Counts reflect open notices with a future response deadline. NAICS 212312 (Crushed And Broken Limestone Mining And Quarrying) data refreshes hourly.