SIC code 3520 classifies manufacture of railway and tramway locomotives and rolling stock businesses. There are 2 active companies registered under this code in the UK. It falls under Section D (Manufacturing) of the UK SIC 2007 classification system. With an average company age of 87.5 years, this is a well-established sector with mature businesses.
SIC code 3520 stands for "Manufacture of railway and tramway locomotives and rolling stock" under the UK Standard Industrial Classification (SIC 2007) system. It belongs to Section D — Manufacturing. Companies use this code when registering with Companies House to indicate their primary business activity.
There are currently 2 active companies registered under SIC code 3520 in the UK, out of 4 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.