212311 Dimension Stone Mining and Quarrying

Official definition

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).

Source: US Census Bureau, 2022 NAICS descriptions.

When to use a different code

Census classifies these close-sounding activities somewhere else. Businesses mainly engaged in:

• Establishments primarily engaged in dressing dimension stone and manufacturing stone products are classified in U.S. Industry 327991, Cut Stone and Stone Product Manufacturing.

Source: US Census Bureau, 2022 NAICS cross-references.

Activities listed under 212311

The Census index assigns these 30 activities to this code. If your business matches one, this is your code.

• Argillite mining or quarrying
• Basalt mining or quarrying
• Bluestone mining or quarrying
• Calcareous tufa mining or quarrying
• Diabase mining or quarrying
• Dimension stone mining or quarrying
• Diorite mining or quarrying
• Dolomite mining or quarrying
• Dolomitic marble mining or quarrying
• Flagstone mining or quarrying
• Gabbro mining or quarrying
• Gneiss mining or quarrying
• Granite mining or quarrying
• Greenstone mining or quarrying
• Limestone mining or quarrying
• Marble mining or quarrying
• Mica schist mining or quarrying
• Onyx marble mining or quarrying
• Quartzite dimension stone mining or quarrying
• Sandstone mining or quarrying
• Schist, mica, mining or quarrying
• Serpentine mining or quarrying
• Slate mining or quarrying
• Stone, dimension, mining or quarrying
• Syenite (except nepheline) mining or quarrying
• Trap rock mining or quarrying
• Travertine mining or quarrying
• Tufa, calcareous, mining or quarrying
• Verde' antique mining or quarrying
• Volcanic rock, mining or quarrying

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 212311

To count as a small business for SBA loans and federal contracts under NAICS 212311, your business (including affiliates) must not exceed 500 employees. Check your business.

Source: SBA table of size standards, effective March 17, 2023.

Closest UK SIC 2007 codes

There is no official one-to-one link between NAICS and UK SIC. These codes share the same international class (ISIC Rev. 4: 0810), so treat them as a starting point and check the definition.

• 08110Quarrying of ornamental and building stone, limestone, gypsum, chalk and slateUK SIC
• 08120Operation of gravel and sand pits; mining of clays and kaolinUK SIC

Built from Census concordances 2022→2017 NAICS and 2017 NAICS→ISIC Rev. 4.

Similar codes to compare

• 212312Crushed and Broken Limestone Mining and Quarrying
• 212313Crushed and Broken Granite Mining and Quarrying
• 212319Other Crushed and Broken Stone Mining and Quarrying