| 0 | Not stated |
| 1 | Agriculture and Horticulture |
| 2 | Forestry |
| 3 | Fishing |
| 4 | Deep Coal Mines |
| 5 | Opencast coal working |
| 6 | Manufacture of solid fuels |
| 7 | Coke ovens |
| 8 | Extraction of mineral oil and natural gas |
| 9 | Mineral oil refining |
| 10 | Other treatment of petroleum products (excluding petrochemicals manufacture) |
| 11 | Nuclear fuel production |
| 12 | Production and distribution of electricity |
| 13 | Public gas supply |
| 14 | Production and distribution of other forms of energy |
| 15 | Water supply industry |
| 16 | Extraction and preparation of metalliferous ores |
| 17 | Iron and Steel industry (as defined in The European Coal and Steel Community Treaty of Paris 1951) |
| 18 | Steel tubes |
| 19 | Drawing and manufacture of steel wire and steel wire products |
| 20 | Other drawing, cold rolling and cold forming of steel |
| 21 | Aluminium and aluminium alloys |
| 22 | Copper, brass and other copper alloys |
| 23 | Other non-ferrous metals and their alloys |
| 24 | Extraction of stone, clay, sand and gravel |
| 25 | Salt extraction and refining |
| 26 | Extraction of other minerals not elsewhere specified |
| 27 | Structural clay products |
| 28 | Cement, lime and plaster |
| 29 | Ready mixed concrete |
| 30 | Other building products of concrete, cement or plaster |
| 31 | Asbestos goods |
| 32 | Working of stone and other non-metallic minerals not elsewhere specified |
| 33 | Abrasive products |
| 34 | Flat glass |
| 35 | Glass containers |
| 36 | Other glass products |
| 37 | Refractory goods |
| 38 | Ceramic goods |
| 39 | Inorganic chemicals except industrial gases |
| 40 | Basic organic chemicals except specialised pharmaceutical chemicals |
| 41 | Fertilisers |
| 42 | Synthetic resins and plastic materials |
| 43 | Synthetic rubber |
| 44 | Dyestuffs and pigments |
| 45 | Paints, varnishes and painters' fillings |
| 46 | Printing ink |
| 47 | Formulated adhesives and sealants |
| 48 | Chemical treatment of oils and fats |
| 49 | Essential oils and flavouring materials |
| 50 | Explosives |
| 51 | Miscellaneous chemical products for industrial use |
| 52 | Formulated pesticides |
| 53 | Adhesive film, cloth and foil |
| 54 | Pharmaceutical products |
| 55 | Soap and synthetic detergents |
| 56 | Perfumes, cosmetics and toilet preparations |
| 57 | Photographic materials and chemicals |
| 58 | Chemical products not elsewhere specified |
| 59 | Production of man-made fibres |
| 60 | Ferrous metal foundries |
| 61 | Non-ferrous metal foundries |
| 62 | Forging, pressing and stamping |
| 63 | Bolts, nuts, washers, rivets, springs and non-precision chains |
| 64 | Heat and surface treatment of metals, including sintering |
| 65 | Metal doors, windows etc |
| 66 | Hand tools and implements |
| 67 | Cutlery, spoons, forks and similar tableware: razors |
| 68 | Metal storage vessels (mainly non-industrial) |
| 69 | Packaging products of metal |
| 70 | Domestic heating and cooking appliances (non-electrical) |
| 71 | Metal furniture and safes |
| 72 | Domestic and similar utensils of metal |
| 73 | Finished metal products not elsewhere specified |
| 74 | Fabricated constructional steelwork |
| 75 | Boilers and process plant fabrications |
| 76 | Agricultural machinery |
| 77 | Wheeled tractors |
| 78 | Metal-working machine tools |
| 79 | Engineers small tools |
| 80 | Textile machinery |
| 81 | Food, drink and tobacco processing machinery; packaging and bottling machinery |
| 82 | Chemical industry machinery; furnaces and kilns; gas, water and waste treatment plant |
| 83 | Process engineering contractors |
| 84 | Mining machinery |
| 85 | Construction and earth moving equipment |
| 86 | Mechanical lifting and handling equipment |
| 87 | Precision chains and other mechanical power transmission equipment |
| 88 | Ball, needle and roller bearings |
| 89 | Machinery for working wood, rubber, plastics, leather and making paper, glass, bricks and similar materials; laundry and dry cleaning machinery |
| 90 | Printing, bookbinding and paper goods machinery |
| 91 | Internal combustion engines (except for road vehicles, wheeled tractors primarily for agricultural purposes and aircraft) and other prime movers |
| 92 | Compressors and fluid power equipment |
| 93 | Refrigerating machinery, space heating, ventilating and air conditioning equipment |
| 94 | Scales, weighing machinery and portable power tools |
| 95 | Other industrial and commercial machinery |
| 96 | Pumps |
| 97 | Industrial valves |
| 98 | Mechanical, marine and precision engineering not elsewhere specified |
| 99 | Ordnance, small arms and ammunition |
| 100 | Office machinery |
| 101 | Electronic data processing equipment |
| 102 | Insulated wires and cables |
| 103 | Basic electrical equipment |
| 104 | Batteries and accumulators |
| 105 | Alarms and signalling equipment |
| 106 | Electrical equipment for motor vehicles, cycles and aircraft |
| 108 | Telegraph and telephone apparatus and equipment |
| 109 | Electrical instruments and control systems |
| 110 | Radio and electronic capital goods |
| 111 | Components other than active components, mainly for electronic equipment |
| 112 | Gramophone records and pre-recorded tapes |
| 113 | Active components and electronic sub-assemblies |
| 114 | Electronic consumer goods and other electronic equipment not elsewhere specified |
| 115 | Domestic-type electric appliances |
| 116 | Electric lamps and other electric lighting equipment |
| 117 | Electrical equipment installation |
| 118 | Motor vehicles and their engines |
| 119 | Motor vehicle bodies |
| 120 | Trailers and semi-trailers |
| 121 | Caravans |
| 122 | Motor vehicle parts |
| 123 | Shipbuilding and repairing |
| 124 | Railway and tramway vehicles |
| 125 | Motor cycles and parts |
| 126 | Pedal cycles and parts |
| 127 | Aerospace equipment manufacturing and repairing |
| 128 | Other vehicles |
| 129 | Measuring, checking and precision instruments and apparatus |
| 130 | Medical and surgical equipment and orthopaedic appliances |
| 131 | Spectacles and unmounted lenses |
| 132 | Optical precision instruments |
| 133 | Photographic and cinematographic equipment |
| 134 | Clocks, watches and other timing devices |
| 135 | Margarine and compound cooking fats |
| 136 | Processing organic oils and fats (other than crude animal fat production) |
| 137 | Slaughterhouses |
| 138 | Bacon curing and meat processing |
| 139 | Poultry slaughter and processing |
| 140 | Animal by-product and processing |
| 141 | Preparation of milk and milk products |
| 142 | Processing of fruit and vegetables |
| 143 | Fish processing |
| 144 | Grain milling |
| 145 | Starch |
| 146 | Bread and flour confectionery |
| 147 | Biscuits and crispbread |
| 148 | Sugar and sugar by-products |
| 149 | Ice-cream |
| 150 | Cocoa, chocolate and sugar confectionery |
| 151 | Compound animal feeds |
| 152 | Pet foods and non-compound animal feeds |
| 153 | Miscellaneous foods |
| 154 | Spirit distilling and compounding |
| 155 | Wines, cider and perry |
| 156 | Brewing and malting |
| 157 | Soft drinks |
| 158 | Tobacco industry |
| 159 | Woollen and worsted industry |
| 160 | Spinning and doubling on the cotton system |
| 161 | Weaving of cotton, silk and man-made fibres |
| 162 | Throwing, texturing, etc of continuous filament yarn |
| 163 | Spinning and weaving of flax, hemp and ramie |
| 164 | Jute and polypropylene yarns and fabrics |
| 165 | Hosiery and other weft knitted goods and fabrics |
| 166 | Warp knitted fabrics |
| 167 | Textile finishing |
| 168 | Pile carpets, carpeting and rugs |
| 169 | Other carpets, carpeting, rugs and matting |
| 170 | Lace |
| 171 | Rope, twine and net |
| 172 | Narrow fabrics |
| 173 | Other miscellaneous textiles |
| 174 | Leather(tanning and dressing) and fellmongery |
| 175 | Leather goods |
| 176 | Footwear |
| 177 | Weatherproof Outerwear |
| 178 | Men's and boys' shirts, underwear and nightwear |
| 179 | Women's and girl's tailored outerwear |
| 180 | Work clothing and men's and boy's jeans |
| 181 | Men's and boy's shirts, underwear and nightwear |
| 182 | Women's and girls' light outerwear, lingerie and infants' wear |
| 183 | Hats, caps and millinery |
| 184 | Gloves |
| 185 | Other dress industries |
| 186 | Soft furnishings |
| 187 | Canvas goods, sacks and other made-up textiles |
| 188 | Household textiles |
| 189 | Fur goods |
| 190 | Sawmilling, planning, etc of wood |
| 191 | Manufacture of semi-finished wood products and further processing and treatment of wood |
| 192 | Builder's carpentry and joinery |
| 193 | Wooden containers |
| 194 | Other wooden articles (except furniture) |
| 195 | Brushes and brooms |
| 196 | Articles of cork and basketware, wickerwork and other plaiting materials |
| 197 | Wooden and upholstered furniture |
| 198 | Shop and office fitting |
| 199 | Pulp, paper and board |
| 200 | Wall covering |
| 201 | Household and personal hygiene products of paper |
| 202 | Stationery |
| 203 | Packaging products of paper and pulp |
| 204 | Packaging products of board |
| 205 | Other paper and board products |
| 206 | Printing and publishing of newspapers |
| 207 | Printing and publishing of periodicals |
| 208 | Printing and publishing of books |
| 209 | Other printing and publishing |
| 210 | Rubber tyres and inner tubes |
| 211 | Other rubber products |
| 212 | Retreading and specialist repairing of rubber tyres |
| 213 | Plastic coated textile fabric |
| 214 | Plastics semi-manufacturers |
| 215 | Plastics floorcoverings |
| 216 | Plastics building products |
| 217 | Plastics packaging products |
| 218 | Plastics products not elsewhere specified |
| 219 | Jewellry and coins |
| 220 | Musical instruments |
| 221 | Photographic and cinematographic processing laboratories |
| 222 | Toys and games |
| 223 | Sports goods |
| 224 | Miscellaneous stationer's goods |
| 225 | Other manufacturers not elsewhere specified |
| 226 | Construction |
| 227 | Wholesale distribution of motor vehicles and parts and accessories |
| 228 | Remainder of wholesale distribution (except dealing in scrap and waste materials) |
| 229 | Dealing in scrap and waste materials |
| 230 | Commission agents |
| 231 | Retail distribution of motor vehicles and parts. Filling stations (motor fuel and lubricants) |
| 232 | Remainder of retail distribution |
| 233 | Eating places supplying food for consumption on the premises |
| 234 | Take away food shops |
| 235 | Public houses and bars |
| 236 | Night clubs and licensed clubs |
| 237 | Canteens and messes |
| 238 | Hotel trade |
| 239 | Other tourist or short stay accommodation |
| 240 | Repair and servicing of motor vehicles |
| 241 | Repair of footwear and leather goods |
| 242 | Repair of other consumer goods |
| 243 | Railways |
| 244 | Scheduled road passenger transport and urban railways |
| 245 | Other road passenger transport |
| 246 | Road haulage |
| 247 | Transport not elsewhere specified |
| 248 | Sea transport |
| 249 | Air transport |
| 250 | Supporting services to inland transport |
| 251 | Supporting services to sea transport |
| 252 | Supporting services to air transport |
| 253 | Miscellaneous transport services and storage not elsewhere specified |
| 254 | Postal services |
| 255 | Telecommunications |
| 256 | Banking and bill-discounting |
| 257 | Other financial institutions |
| 258 | Insurance, except for compulsory social security |
| 259 | Activities auxiliary to banking and finance |
| 260 | Activities auxiliary to insurance |
| 261 | House and estate agents |
| 262 | Legal service |
| 263 | Accountants, auditors, tax experts |
| 264 | Professional and technical services not elsewhere specified |
| 265 | Advertising |
| 266 | Computer services |
| 267 | Business services not elsewhere specified |
| 268 | Central offices not allocable elsewhere |
| 269 | Hiring out agricultural and horticultural equipment |
| 270 | Hiring out construction machinery and equipment |
| 271 | Hiring out office machinery and furniture |
| 272 | Hiring out consumer goods |
| 273 | Hiring out transport equipment |
| 274 | Hiring out other movables |
| 275 | Owning and dealing in real estate |
| 276 | National government service not elsewhere specified |
| 277 | Local government service not elsewhere specified |
| 278 | Justice |
| 279 | Police |
| 280 | Fire services |
| 281 | National Defence |
| 282 | Social Security |
| 283 | Refuse disposal, street cleaning, fumigation etc |
| 284 | Sewage disposal |
| 285 | Cleaning services |
| 286 | Higher education |
| 287 | School Education (nursery, primary and secondary) - maintained |
| 288 | School Education (nursery, primary and secondary) - non-maintained |
| 289 | Education not elsewhere specified and vocational training |
| 290 | Driving and flying schools |
| 291 | Research and development |
| 292 | Hospitals, nursing homes etc |
| 293 | Other medical care institutions |
| 294 | Medical practices |
| 295 | Dental practices |
| 296 | Agency and private midwives, nurses etc |
| 297 | Veterinary practices and animal hospitals |
| 298 | Social welfare, charitable and community services |
| 299 | Trade unions, business and professional associations |
| 300 | Religious organisations and similar associations |
| 301 | Tourist offices and other community services |
| 302 | Film production, distribution and exhibition |
| 303 | Radio and television services, theatres etc |
| 304 | Authors, music composers and other own account artists not elsewhere specified |
| 305 | Libraries, museums, art galleries, etc |
| 306 | Sport and other recreational services |
| 307 | Laundries |
| 308 | Dry cleaning and allied services |
| 309 | Hairdressing and beauty parlours |
| 310 | Personal services not elsewhere specified |
| 311 | Domestic services |
| 312 | Diplomatic representation, international organisations, allied armed forces |
| 313 | Industry inadequately described |
| 314 | Workplace outside UK |
| -9 | Not applicable |
