212311 — Dimension Stone Mining and Quarrying
NAICS 212311 is 'Dimension Stone Mining and Quarrying', a 2022 U.S. national industry under Sector 21 (Mining, Quarrying, and Oil and Gas Extraction); the SBA small-business size standard is 500 employees.
Description
This U.S. industry comprises establishments primarily engaged in developing the mine site and/or mining or quarrying dimension stone (i.e., rough blocks and/or slabs of stone).
Exclusions & Cross-References
- Establishments primarily engaged in dressing dimension stone and manufacturing stone products are classified in
- U.S. Industry 327991, Cut Stone and Stone Product Manufacturing.
Overview Facts
| NAICS Code | 212311 |
|---|---|
| Industry Title | Dimension Stone Mining and Quarrying |
| SBA Size Standard | 500 employees |
| IRS PBA Code | 212310 (rolled-up match) |
| Sectors Hierarchy | Sector 21 → 212 → 2123 |
| Source / Verified | US Census 2022 NAICS Manual / 2026-06-28 |
NAICS Structure: 212311
National Industry
Sector (2)
21
Mining, Quarrying, and Oil and Gas Extraction
Subsector (3)
212
Mining (except Oil and Gas)
Industry Group (4)
2123
Nonmetallic Mineral Mining and Quarrying
Industry (5)
21231
Stone Mining and Quarrying
National Industry (6)
212311
Dimension Stone Mining and Quarrying
Legacy SIC Concordance
Trace the historical mapping chain from the 1987 Standard Industrial Classification (SIC) to the modern 2022 NAICS code format.
- SIC 1411 - Dimension Stone (via SIC1987:1411→NAICS1997:212311→2002:212311→2007:212311→2012:212311→2017:212311→2022:212311)
Related Resources & Compliance Guides
Further regulatory reference links for NAICS code 212311:
- Sector 21 Directory Hub — List of related industries in the Mining, Quarrying, and Oil and Gas Extraction sector.
- SIC ↔ NAICS Crosswalk Tool — Look up mappings between legacy SIC codes and modern classifications.
- SBA Size Standards Guide — Complete rules and averaging periods for small business classifications.
- Calculating Annual Receipts Guide — Detailed worked example of revenue calculation rules.
- IRS Principal Business Activity Guide — How NAICS codes map to corporate and entity tax filings.
Related Industries in 2123
Frequently Asked Questions (FAQ)
Is 212311 a valid 2022 NAICS code?
NAICS 212311 is 'Dimension Stone Mining and Quarrying', a 2022 U.S. national industry under Sector 21 (Mining, Quarrying, and Oil and Gas Extraction); the SBA small-business size standard is 500 employees.
What is the SBA size standard for NAICS 212311?
The SBA small business size standard for NAICS 212311 is 500 employees (based on employees).
What is the legacy SIC code mapping for 212311?
NAICS code 212311 maps to the legacy 1987 SIC codes: 1411 - Dimension Stone.