UK SIC 2007 code in Section C: Manufacturing

23990 Manufacture of other non-metallic mineral products n.e.c.

SIC 23990 is the UK code for manufacture of other non-metallic mineral products n.e.c., part of the class "manufacture of other non-metallic mineral products nec". Companies House accepts it when you register a company or file a confirmation statement.

Code
23990 (UK SIC 2007, Companies House list)
Section
Section C: Manufacturing
Division
23 Manufacture of other non-metallic mineral products
SIC 2026
23.99 Manufacture of other non-metallic mineral products n.e.c. (1:1)
Closest US NAICS
322120, 324121, 324122, 325998 and 17 more

Activities ONS lists under 23990

The ONS index assigns these 69 activities to this code. If one describes your company, this is the code to use.

Source: ONS UK SIC 2007 alphabetical index.

What changes in SIC 2026

ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (23.99) to:

SIC 2026 codeHeadingLink type
23.99Manufacture of other non-metallic mineral products n.e.c.1:1

"1:1" means the class carries over unchanged in scope; other link types mean it was split or merged. Companies House still uses SIC 2007, so keep filing with 23990 until it announces a switch.

Source: ONS correspondence table, SIC 2007 to SIC 2026.

Closest US NAICS codes

Matched through the shared international class (ISIC Rev. 4). Treat these as a starting point and read the definition before using one.

Similar codes to compare

Data last changed November 14, 2026. Source: Companies House condensed SIC list. How this page is built.