UK SIC 2007 code in Section C: Manufacturing

33120 Repair of machinery

SIC 33120 is the UK code for repair of machinery. Companies House accepts it when you register a company or file a confirmation statement.

Code: 33120 (UK SIC 2007, Companies House list)
Section: Section C: Manufacturing
Division: 33 Repair and installation of machinery and equipment
SIC 2026: 33.18 Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft (1:3); 33.12 Repair and maintenance of machinery (1:3); 33.15 Repair and maintenance of civilian ships and boats (1:3)
Closest US NAICS: 811210, 811310, 811411, 811490

Activities ONS lists under 33120

The ONS index assigns these 58 activities to this code. If one describes your company, this is the code to use.

General mechanical maintenance and repair of machinery (manufacture)
Repair and maintenance of accounting machinery (manufacture)
Repair and maintenance of agricultural machinery (manufacture)
Repair and maintenance of agricultural tractors (manufacture)
Repair and maintenance of cash registers (manufacture)
Repair and maintenance of commercial-type general purpose machinery (manufacture)
Repair and maintenance of compressors (manufacture)
Repair and maintenance of construction machinery (earth moving type) (manufacture)
Repair and maintenance of construction machinery (except earth moving type) (manufacture)
Repair and maintenance of earth-moving and excavating equipment (manufacture)
Repair and maintenance of engines and turbines (except aircraft, vehicle and cycle) (manufacture)
Repair and maintenance of equipment for concrete crushing and screening and roadworks manufacture)
Repair and maintenance of fluid power machinery (compressors) (manufacture)
Repair and maintenance of fluid power machinery (pumps) (manufacture)
Repair and maintenance of forestry and logging machinery (manufacture)
Repair and maintenance of furnaces and furnace burners (manufacture)
Repair and maintenance of gas turbines (manufacture)
Repair and maintenance of general purpose machinery n.e.c. (manufacture)
Repair and maintenance of industrial process furnaces (manufacture)
Repair and maintenance of industrial refrigeration equipment, air purifying equipment (manufacture)
Repair and maintenance of industrial type air conditioning (manufacture)
Repair and maintenance of lifting and handling equipment (manufacture)
Repair and maintenance of lifting, handling equipment, elevators, moving walkways etc. (manufacture)
Repair and maintenance of lifts and escalators (not in buildings or civil engineering) (manufacture)
Repair and maintenance of machinery for bookbinding (manufacture)
Repair and maintenance of machinery for food, beverage and tobacco processing (manufacture)
Repair and maintenance of machinery for metallurgy (manufacture)
Repair and maintenance of machinery for mining (manufacture)
Repair and maintenance of machinery for paper and paperboard production (manufacture)
Repair and maintenance of machinery for printing (manufacture)
Repair and maintenance of machinery for textile, apparel and leather production (manufacture)
Repair and maintenance of machinery for working rubber or plastics (manufacture)
Repair and maintenance of marine engines (manufacture)
Repair and maintenance of metal cutting or metal forming machine tools and accessories (manufacture)
Repair and maintenance of metal working machine tools (manufacture)
Repair and maintenance of non-domestic cooling and ventilating equipment (manufacture)
Repair and maintenance of non-domestic machinery for drying wood, paper pulp, etc. (manufacture)
Repair and maintenance of office machinery (other than computers)
Repair and maintenance of oil and gas extraction machinery (manufacture)
Repair and maintenance of other machine tools (except metal working) (manufacture)
Repair and maintenance of other machine tools (metal working) (manufacture)
Repair and maintenance of papermaking machinery (manufacture)
Repair and maintenance of photocopy machines (manufacture)
Repair and maintenance of plastic and rubber working machinery (manufacture)
Repair and maintenance of pumps (manufacture)
Repair and maintenance of railway diesel engines (manufacture)
Repair and maintenance of reprographic machinery
Repair and maintenance of special purpose machinery n.e.c. (manufacture)
Repair and maintenance of steam turbines (manufacture)
Repair and maintenance of taps (manufacture)
Repair and maintenance of valves (manufacture)
Repair and maintenance of vending machines (manufacture)
Repair and maintenance of weighing equipment (manufacture)
Repair of calculators (manufacture)
Repair of gearing and driving elements (manufacture)
Repair of other power-driven hand-tools (manufacture)
Repair of typewriters (manufacture)
Repair of valves for machinery (manufacture)

Source: ONS UK SIC 2007 alphabetical index.

What changes in SIC 2026

ONS published UK SIC 2026 in 2026. Its correspondence table maps this code's class (33.12) to:

SIC 2026 code	Heading	Link type
33.18	Repair and maintenance of military fighting vehicles, ships, boats, air and spacecraft	1:3
33.12	Repair and maintenance of machinery	1:3
33.15	Repair and maintenance of civilian ships and boats	1:3

"1:1" means the class carries over unchanged in scope; other link types mean it was split or merged. Companies House still uses SIC 2007, so keep filing with 33120 until it announces a switch.

Source: ONS correspondence table, SIC 2007 to SIC 2026.

Closest US NAICS codes

Matched through the shared international class (ISIC Rev. 4). Treat these as a starting point and read the definition before using one.

Similar codes to compare

Data last changed November 14, 2026. Source: Companies House condensed SIC list. How this page is built.