339991 Gasket, Packing, and Sealing Device Manufacturing

Official definition

This U.S. industry comprises establishments primarily engaged in manufacturing gaskets, packing, and sealing devices of all materials.

Source: US Census Bureau, 2022 NAICS descriptions.

Activities listed under 339991

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

• Coaxial mechanical face seals manufacturing
• Compression packings manufacturing
• Gasket, packing, and sealing devices manufacturing
• Gaskets manufacturing
• Grease seals manufacturing
• Molded packings and seals manufacturing
• Oil seals manufacturing
• Seals, grease or oil, manufacturing

Source: US Census Bureau, 2022 NAICS index file.

SBA size standard for 339991

To count as a small business for SBA loans and federal contracts under NAICS 339991, your business (including affiliates) must not exceed 600 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: 1399, 1512, 1629, 1709, 2219, 2220, 2399, 2819), so treat them as a starting point and check the definition.

• 13990Manufacture of other textiles n.e.c.UK SIC
• 15120Manufacture of luggage, handbags and the like, saddlery and harnessUK SIC
• 16290Manufacture of other products of wood; manufacture of articles of cork, straw and plaiting materialsUK SIC
• 22190Manufacture of other rubber 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.

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