UK COMPANY DIRECTORY
Industry sectors.
Explore UK companies by their official five-digit Standard Industrial Classification code and follow each sector into the ProcuraAxis company directory.
UK Standard Industrial Classification directory
731 sectors · Counts reconciled daily · Last updated 19 Oct 2026
SIC 24340
Cold drawing of wire
SIC 24410
Precious metals production
SIC 24420
Aluminium production
SIC 24430
Lead, zinc and tin production
SIC 24440
Copper production
SIC 24450
Other non-ferrous metal production
SIC 24460
Processing of nuclear fuel
SIC 24510
Casting of iron
SIC 24520
Casting of steel
SIC 24530
Casting of light metals
SIC 24540
Casting of other non-ferrous metals
SIC 25110
Manufacture of metal structures and parts of structures
SIC 25120
Manufacture of doors and windows of metal
SIC 25210
Manufacture of central heating radiators and boilers
SIC 25290
Manufacture of other tanks, reservoirs and containers of metal
SIC 25300
Manufacture of steam generators, except central heating hot water boilers
SIC 25400
Manufacture of weapons and ammunition
SIC 25500
Forging, pressing, stamping and roll-forming of metal; powder metallurgy
SIC 25610
Treatment and coating of metals
SIC 25620
Machining
SIC 25710
Manufacture of cutlery
SIC 25720
Manufacture of locks and hinges
SIC 25730
Manufacture of tools
SIC 25910
Manufacture of steel drums and similar containers
SIC 25920
Manufacture of light metal packaging
SIC 25930
Manufacture of wire products, chain and springs
SIC 25940
Manufacture of fasteners and screw machine products
SIC 25990
Manufacture of other fabricated metal products n.e.c.
SIC 26110
Manufacture of electronic components
SIC 26120
Manufacture of loaded electronic boards
SIC 26200
Manufacture of computers and peripheral equipment
SIC 26301
Manufacture of telegraph and telephone apparatus and equipment
SIC 26309
Manufacture of communication equipment other than telegraph, and telephone apparatus and equipment
SIC 26400
Manufacture of consumer electronics
SIC 26511
Manufacture of electronic measuring, testing etc. equipment, not for industrial process control
SIC 26512
Manufacture of electronic industrial process control equipment
SIC 26513
Manufacture of non-electronic measuring, testing etc. equipment, not for industrial process control
SIC 26514
Manufacture of non-electronic industrial process control equipment
SIC 26520
Manufacture of watches and clocks
SIC 26600
Manufacture of irradiation, electromedical and electrotherapeutic equipment
SIC 26701
Manufacture of optical precision instruments
SIC 26702
Manufacture of photographic and cinematographic equipment
SIC 26800
Manufacture of magnetic and optical media
SIC 27110
Manufacture of electric motors, generators and transformers
SIC 27120
Manufacture of electricity distribution and control apparatus
SIC 27200
Manufacture of batteries and accumulators
SIC 27310
Manufacture of fibre optic cables
SIC 27320
Manufacture of other electronic and electric wires and cables
SIC 27330
Manufacture of wiring devices
SIC 27400
Manufacture of electric lighting equipment
Company totals use the SIC codes recorded in the ProcuraAxis Companies House dataset. They are recalculated with the existing once-daily metrics reconciliation rather than on each page visit.