327410 Lime Manufacturing

Official definition

This industry comprises establishments primarily engaged in manufacturing lime from calcitic limestone, dolomitic limestone, or other calcareous materials, such as coral, chalk, and shells. Lime manufacturing establishments may mine, quarry, collect, or purchase the sources of calcium carbonate.

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 manufacturing dolomite refractories are classified in Industry 327120, Clay Building Material and Refractories Manufacturing.

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

Activities listed under 327410

The Census index assigns these 8 activities to this code. If your business matches one, this is your code.

• Agricultural lime manufacturing
• Calcium hydroxide (i.e., hydrated lime) manufacturing
• Calcium oxide (i.e., quicklime) manufacturing
• Dolomite, dead-burned, manufacturing
• Dolomitic lime manufacturing
• Hydrated lime (i.e., calcium hydroxide) manufacturing
• Lime production
• Quicklime (i.e., calcium oxide) manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 327410

To count as a small business for SBA loans and federal contracts under NAICS 327410, your business (including affiliates) must not exceed 1,050 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: 2394), so treat them as a starting point and check the definition.

• 23910Production of abrasive productsUK SIC
• 23990Manufacture of other non-metallic mineral products n.e.c.UK SIC

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

Similar codes to compare

• 327420Gypsum Product Manufacturing