SIC code 4020 classifies manufacture of gas; distribution of gaseous fuels through mains businesses. There are 1 active companies registered under this code in the UK. It falls under Section E (Electricity, gas and water supply) of the UK SIC 2007 classification system. With an average company age of 31.0 years, this is a well-established sector with mature businesses.
SIC code 4020 stands for "Manufacture of gas; distribution of gaseous fuels through mains" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section E — Electricity, gas and water supply. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 1 active companies registered under SIC code 4020 in the UK, out of 1 total registrations (including dissolved companies).
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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.