Registry · NAICS Index · Sector 21

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 (defined under 13 CFR § 121.201).

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) (as defined in the official U.S. Census Bureau 2022 NAICS Manual).

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 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)

Suggested Product Service Codes (Advisory)

The following Product Service Codes (PSCs) are advisory suggestions aligned with this NAICS code. Note: NAICS and PSC codes map to different dimensions of procurement (industry vs. product/service). There is no official binding 1:1 crosswalk.

  • PSC 3820 — Mining, Rock Drilling, Earth Boring, and Related Equipment

Source: DoD DPCAP PSC Selection Tool (Ingested: 2026-06-29)

Frequently Asked Questions (FAQ)

Is NAICS code 212311 valid in 2022? ▾

Yes, 212311 is a valid 6-digit 2022 NAICS national industry code representing 'Dimension Stone Mining and Quarrying' under Sector 21 in the official classification index.

What is the SBA size standard for NAICS code 212311? ▾

The Small Business Administration (SBA) has established a small business size standard of 500 employees for NAICS code 212311 (Dimension Stone Mining and Quarrying), calculated based on employees.

What is the legacy SIC equivalent for NAICS 212311? ▾

According to official Census Bureau concordance tables, NAICS code 212311 (Dimension Stone Mining and Quarrying) maps to legacy 1987 Standard Industrial Classification (SIC) codes: 1411 - Dimension Stone.

Related Pages & Tools

Further regulatory reference links for NAICS code 212311: