SIC code 2721 — Manufacture of cast iron tubes — is a UK Standard Industrial Classification code. It falls under Section D (Manufacturing) of the UK SIC 2007 classification system.
SIC code 2721 stands for "Manufacture of cast iron tubes" 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.
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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.