327999 All Other Miscellaneous Nonmetallic Mineral Product Manufacturing

Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing nonmetallic mineral products (except pottery, ceramics, and plumbing fixtures; clay building materials and refractories; glass and glass products; cement; ready-mix concrete; concrete products; lime; gypsum products; abrasive products; cut stone and stone products; ground and treated minerals and earth; and mineral wool).

Examples Census gives

• Dry mix concrete manufacturing
• Mica products manufacturing
• Manmade and engineered proppants (e.g., resin-coated sand, ceramic materials) manufacturing
• Stucco and stucco products manufacturing
• Synthetic stones, for gem stones and industrial use, manufacturing

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:

• Manufacturing pottery, ceramics, and plumbing fixtures are classified in Industry 327110, Pottery, Ceramics, and Plumbing Fixture Manufacturing.
• Manufacturing clay building materials and refractories are classified in Industry 327120, Clay Building Material and Refractories Manufacturing.
• Manufacturing glass and glass products are classified in Industry 32721, Glass and Glass Product Manufacturing.
• Manufacturing cement are classified in Industry 327310, Cement Manufacturing.
• Mixing and delivering ready-mix concrete are classified in Industry 327320, Ready-Mix Concrete Manufacturing.
• Manufacturing concrete pipe, brick, and block are classified in Industry 32733, Concrete Pipe, Brick, and Block Manufacturing.
• Manufacturing concrete products (except pipe, brick, and block) are classified in Industry 327390, Other Concrete Product Manufacturing.
• Manufacturing lime are classified in Industry 327410, Lime Manufacturing.
• Manufacturing gypsum products are classified in Industry 327420, Gypsum Product Manufacturing.
• Manufacturing abrasives and abrasive products are classified in Industry 327910, Abrasive Product Manufacturing.
• Manufacturing cut stone and stone products are classified in U.S. Industry 327991, Cut Stone and Stone Product Manufacturing.
• Manufacturing ground and treated minerals and earth (i.e., not at the mine site) are classified in U.S. Industry 327992, Ground or Treated Mineral and Earth Manufacturing.
• Manufacturing mineral wool and fiberglass insulation products are classified in U.S. Industry 327993, Mineral Wool Manufacturing.

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

Activities listed under 327999

The Census index assigns these 17 activities to this code. If your business matches one, this is your code.

• Asbestos products (except brake shoes and clutches) manufacturing
• Asphalt concrete crushing and grinding (except at construction site)
• Built-up mica manufacturing
• Ceramic fiber manufacturing
• Concrete crushing and grinding (except at construction site)
• Concrete, dry mixture, manufacturing
• Dry mix concrete manufacturing
• Ecclesiastical statuary, papier-mache, manufacturing
• Images, small papier-mache, manufacturing
• Manmade and engineered proppants (e.g., resin-coated sand, ceramic materials) manufacturing
• Mica products manufacturing
• Papier-mache statuary and related art goods (e.g., urns, vases) manufacturing
• Peat pots, molded pulp, manufacturing
• Statuary, vases, and urns, papier-mache, manufacturing
• Stones, synthetic, for gem stones and industrial use, manufacturing
• Stucco and stucco products manufacturing
• Synthetic stones, for gem stones and industrial use, manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 327999

To count as a small business for SBA loans and federal contracts under NAICS 327999, your business (including affiliates) must not exceed 750 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: 2395, 2399, 3211), so treat them as a starting point and check the definition.

• 23990Manufacture of other non-metallic mineral products n.e.c.UK SIC
• 32110Striking of coinsUK SIC

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

Similar codes to compare

• 327991Cut Stone and Stone Product Manufacturing
• 327992Ground or Treated Mineral and Earth Manufacturing
• 327993Mineral Wool Manufacturing