NAICS 212312: Crushed and Broken Limestone Mining and Quarrying
Crushed and Broken Limestone Mining and Quarrying is NAICS code 212312. A business is small under it with 750 employees or fewer. 1 federal contract is open on SAM.gov under this code right now.
- SBA size standard
- 750 employees or fewer
- Open contracts now
- 1
- Federal spending, FY2025
- $27.3 million
- Share won by small businesses
- 84%
Open federal contracts for crushed and broken limestone mining and quarrying
- Stone and Soil MBPA on Fort Drum
✦ The Army's Fort Drum contracting office (MICC) is looking for multiple small businesses willing to hold Blanket Purchase Agreements (BPAs, pre-approved supplier agreements) to…
Due in 1272 daysApr 1, 2030
What NAICS 212312 covers
The Census Bureau's NAICS index lists these kinds of work under 212312:
- Agricultural limestone mining and/or beneficiating
- Calcareous tufa crushed and broken stone mining and/or beneficiating
- Cement rock crushed and broken stone mining and/or beneficiating
- Chalk crushed and broken stone mining and/or beneficiating
- Chalk, ground or otherwise treated, mining and/or beneficiating
- Dolomite crushed and broken stone mining and/or beneficiating
- Lime rock, ground, mining and/or beneficiating
- Limestone (except bituminous) crushed and broken stone mining and/or beneficiating
- Limestone beneficiating plants (e.g., grinding or pulverizing)
- Marl crushed and broken stone mining and/or beneficiating
- Riprap, limestone, mining or quarrying
- Travertine crushed and broken stone mining and/or beneficiating
- Tufa, calcareous, crushed and broken stone, mining and/or beneficiating
- Whiting crushed and broken stone, mining and/or beneficiating
The index lists 15 entries for this code in all.
Read the full definition, including what's excluded, on census.gov.
SBA size standard for 212312
To count as a small business for a contract assigned NAICS 212312, your business must have 750 employees or fewer. Employees are averaged over the last 24 months.
From SBA's table of size standards, effective Mar 17, 2023. Confirm it with SBA's size standards tool before you certify your size.
Who buys crushed and broken limestone mining and quarrying
Agencies that awarded the most under NAICS 212312 over the last three fiscal years, per USAspending.gov:
| Agency | Obligated |
|---|---|
| Department of the Army | $22.5 million |
| Department of the Air Force | $19.3 million |
| U.S. Fish and Wildlife Service | $6.8 million |
| Department of the Navy | $5.9 million |
| Forest Service | $837,901 |
| National Park Service | $171,588 |
| U.S. Special Operations Command | $152,017 |
| Bureau of Land Management | $91,712 |
Open notices right now come from Dept of Defense (1).
Set-asides on open 212312 contracts
- Total small business set-aside: 1
Not sure which set-asides you qualify for? Try the free SBA certification screener, or read set-aside contracts, explained.
Federal spending under 212312 by year
| Fiscal year | Contract obligations |
|---|---|
| FY2024 | $13.1 million |
| FY2025 | $27.3 million |
| FY2026 | $15.5 million |
| FY2027 (so far) | $0 |
Source: USAspending.gov, all contract awards with this NAICS code. Fiscal years start October 1.
Related NAICS codes
- 212311 Dimension Stone Mining and Quarrying
- 212313 Crushed and Broken Granite Mining and Quarrying
- 212319 Other Crushed and Broken Stone Mining and Quarrying
- 212321 Construction Sand and Gravel Mining
- 212322 Industrial Sand Mining
- 212323 Kaolin, Clay, and Ceramic and Refractory Minerals Mining
- 212390 Other Nonmetallic Mineral Mining and Quarrying
Frequently asked questions
What is NAICS code 212312?
212312 is the 2022 NAICS code for Crushed and Broken Limestone Mining and Quarrying. The Census Bureau's index lists work such as agricultural limestone mining and/or beneficiating, calcareous tufa crushed and broken stone mining and/or beneficiating, cement rock crushed and broken stone mining and/or beneficiating under it. Federal contracting uses the 2022 codes.
What is the SBA size standard for NAICS 212312?
750 employees or fewer. A business at or under that is small for contracts assigned this code. The current SBA table took effect Mar 17, 2023.
Are there government contracts for crushed and broken limestone mining and quarrying?
Yes. 1 federal contract opportunities under NAICS 212312 are open on SAM.gov right now. Agencies obligated about $27.3 million under this code in fiscal year 2025, according to USAspending.gov.
How do I add NAICS code 212312 to my SAM.gov registration?
Update your entity registration on SAM.gov and add the code on the Goods and Services page, in the Assertions section. You can list several NAICS codes and mark one as your primary. Changes are free.
Keep going
- Search other NAICS codes by keyword or company
- How to choose NAICS codes for government contracts
- NAICS codes with the most open federal contracts
FedReady is an independent company, not affiliated with SBA, SAM.gov, the Census Bureau or any government agency. Open-contract counts come from SAM.gov and update daily; spending figures come from USAspending.gov.