SIC code 23430
Manufacture of ceramic insulators and insulating fittings
59 UK companies classified under this code.
Search companies with SIC 23430What SIC code 23430 covers
SIC code 23430 is the UK Standard Industrial Classification for Manufacture of ceramic insulators and insulating fittings. It falls under SIC section C — Manufacturing, division 23. Companies record it at Companies House to describe what they do, and it is one of up to four SIC codes a company can hold.
Manufacture of ceramic insulators and insulating fittings — makers of the ceramic insulators used in electrical and power equipment, from overhead-line and substation components to smaller fittings. A specialist, technically demanding niche serving the electrical and utilities sectors, dominated by a handful of dedicated manufacturers. Sits alongside the other technical-ceramics and electrical-equipment trades.
Where these companies are based
Active companies under SIC code 23430 cluster most in:
- London 7
- Middlesbrough 3
- Nottingham 3
- Romford 3
- Birmingham 2
- Bradford 2
Example companies with SIC code 23430
A sample of recently-incorporated active companies classified under 23430:
- Greenvak Ltd
- Rok Energy Solutions Ltd
- 714 Insulation Limited
- Nboo Ltd
- Rdg Insulation Ltd
- Meicheng New Materials Technology Ltd
- Warmerliving247 Ltd
- Thermotex Engineering Ltd
- Mmz Services Limited
- Swift Contractors Ltd
- Crf Insulations Ltd
- R&E Advanced Insulation Ltd
Related SIC codes
- 23110 Manufacture of flat glass
- 23120 Shaping and processing of flat glass
- 23130 Manufacture of hollow glass
- 23140 Manufacture of glass fibres
- 23190 Manufacture and processing of other glass, including technical glassware
- 23200 Manufacture of refractory products
- 23310 Manufacture of ceramic tiles and flags
- 23320 Manufacture of bricks, tiles and construction products, in baked clay
- 23410 Manufacture of ceramic household and ornamental articles
Frequently asked
What is SIC code 23430?
SIC code 23430 is the UK Standard Industrial Classification (SIC 2007) for "Manufacture of ceramic insulators and insulating fittings". It is the code a company records at Companies House when this is its business activity, and it sits within SIC section C — Manufacturing.
How many companies use SIC code 23430?
59 companies are currently classified under SIC code 23430 on the UK register, most commonly in London, Middlesbrough, Nottingham.
How do I find companies with SIC code 23430?
On Company Shark, search the live Companies House register by SIC code 23430, then narrow by location and incorporation date and export the list with director details. SIC code filtering is available on the Business and MAX plans.
Is SIC code 23430 the right code for my company?
SIC codes are self-reported. Pick the code that most closely matches your main activity — 23430 covers "Manufacture of ceramic insulators and insulating fittings". You can record up to four SIC codes, and update them on your annual confirmation statement.
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