SIC code 23430 classifies manufacture of ceramic insulators and insulating fittings businesses. There are 57 active companies registered under this code in the UK. It falls under Section C (Manufacturing) of the UK SIC 2007 classification system. Active companies average just 4.4 years old, suggesting rapid growth and recent market entry.
SIC code 23430 stands for "Manufacture of ceramic insulators and insulating fittings" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section C — Manufacturing. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 57 active companies registered under SIC code 23430 in the UK, out of 71 total registrations (including dissolved companies).
Search, filter, and analyse 57 companies classified under this SIC code with AI-powered risk intelligence.
Data sourced from Companies House, HM Land Registry, FCA Register, and 50+ government databases. SIC classification follows the UK Standard Industrial Classification of Economic Activities 2007 (SIC 2007). Last updated: 2026-04-05.