| 0 | Farming and stock rearing |
| 1 | Agriculture contracting |
| 2 | Market gardening fruit flower and seed growing |
| 3 | Forestry |
| 4 | Fishing |
| 5 | Coal mining |
| 6 | Stone and slate quarrying and mining |
| 7 | Chalk clay sand and gravel extraction |
| 8 | Petroleum and natural gas |
| 9 | Other mining and quarrying |
| 10 | Grain milling |
| 11 | Bread and flour confectionery |
| 12 | Biscuits |
| 13 | Bacon curing meat and fish products |
| 14 | Milk and milk products |
| 15 | Sugar |
| 16 | Cocoa chocolate and sugar confectionery |
| 17 | Fruit and vegetable products |
| 18 | Animal and poultry foods |
| 19 | Vegetable and animal oils and fats |
| 20 | Food industries not elsewhere specified |
| 21 | Brewing and malting |
| 22 | Soft drinks |
| 23 | Other drink industries |
| 24 | Tobacco |
| 25 | Coke ovens and manufactured fuel |
| 26 | Mineral oil refining |
| 27 | Lubricating oils and greases |
| 28 | General chemicals |
| 29 | Pharmaceuticals chemicals and preparations |
| 30 | Toilet preparations |
| 31 | Paint |
| 32 | Soap and detergents |
| 33 | Synthetic resins and plastics materialsand synthetic |
| 34 | Dyestuffs and pigments |
| 35 | Fertilisers |
| 36 | Other chemical industries |
| 37 | Iron and steel general |
| 38 | Steel tubes |
| 39 | Iron castings etc |
| 40 | Aluminium and aluminium alloys |
| 41 | Copper brass and other copper alloys |
| 42 | Other base metals |
| 43 | Agricultural machinery except tractors |
| 44 | Metal working machine tools |
| 45 | Pumps valves and compressors |
| 46 | Industrial engines |
| 47 | Textile machinery and accessories |
| 48 | Construction and earth moving equipment |
| 49 | Mechanical handling equipment |
| 50 | Office machinery |
| 51 | Other machinery |
| 52 | Industrial including process plantandsteelwork |
| 53 | Ordnance and small arms |
| 54 | Other mechanical engineering not elsewhere specified |
| 55 | Photographic and document copying equipment |
| 56 | Watches and clocks |
| 57 | Surgical instruments and appliances |
| 58 | Scientific and industrial instruments and systems |
| 59 | Electrical machinery |
| 60 | Insulated wires and cables |
| 61 | Telegraph and telephone apparatus and equipment |
| 62 | Radio and electronic components |
| 63 | Broadcast receiving and sound reproducing equipment |
| 64 | Electronic computers |
| 65 | Radio radar and electronic capitalgoods |
| 66 | Electric appliances primarily for domestic use |
| 67 | Other electrical goods |
| 68 | Shipbuilding and marine engineering |
| 69 | Wheeled tractor manufacturing |
| 70 | Motor vehicle manufacturing |
| 71 | Motor cycle tricycle and pedal cycle manufacturing |
| 72 | Aerospace equipment manufacturing and repairing |
| 73 | Locomotives and railway track equipment |
| 74 | Railway carriages and wagons and trams |
| 75 | Engineer's small tools and gauges |
| 76 | Hand tools and implements |
| 77 | Cutlery spoons forks and plated tableware etc |
| 78 | Bolts nuts screws rivets etc |
| 79 | Wire and wire manufacture |
| 80 | Cans and metal boxes |
| 81 | Jewellry and precious metals |
| 82 | Metal industries not elsewhere supplied |
| 83 | Production of man made fibres |
| 84 | Spinning and doubling on the cottonandflax systems |
| 85 | Weaving of cotton linen and man made fibres |
| 86 | Woollen and worsted |
| 87 | Jute |
| 88 | Rope Twine and net |
| 89 | Hosiery and other knitted goods |
| 90 | Lace |
| 91 | Carpets |
| 92 | Narrow fabrics |
| 93 | Made up textiles |
| 94 | Textile finishing |
| 95 | Other textile industries |
| 96 | Leather tanning and dressing and fellmongery |
| 97 | Leather goods |
| 98 | Fur |
| 99 | Weatherproof outerwear |
| 100 | Men's and boys' tailored outerwear |
| 101 | Women's and girls' tailored outerwear |
| 102 | Overalls and men's shirts underwearetc |
| 103 | Dresses lingerie infants wear etc |
| 104 | Hats caps and millinery |
| 105 | Dress industries not elsewhere specified |
| 106 | Footwear |
| 107 | Bricks fireclay and refractory goods |
| 108 | Pottery |
| 109 | Glass |
| 110 | Cement |
| 111 | Abrasives and building materials etc. not elsewhere |
| 112 | Timber |
| 113 | Furniture and upholstery |
| 114 | Bedding etc |
| 115 | Shop and office fitting |
| 116 | Wooden containers and baskets |
| 117 | Miscellaneous wood and cork manufacturers |
| 118 | Paper and board |
| 119 | Packaging products of paper board and associated |
| 120 | Manufactured stationery |
| 121 | Manufactures of paper and board notelsewhere specified |
| 122 | Printing publishing of newspapers |
| 123 | Printing publishing of periodicals |
| 124 | Other printing publishing bookbinding engraving etc. |
| 125 | Rubber |
| 126 | Linoleum plastics floor covering leather cloth etc |
| 127 | Brushes brooms |
| 128 | Toys games children's carriages andsports equipment |
| 129 | Miscellaneous stationers' goods |
| 130 | Plastics products not elsewhere specified |
| 131 | Miscellaneous manufacturing industries |
| 132 | Construction |
| 133 | Gas |
| 134 | Electricity |
| 135 | Water supply |
| 136 | Railways |
| 137 | Road Passenger Transport |
| 138 | Road haulage contracting for general hire or reward |
| 139 | Other road haulage |
| 140 | Sea transport |
| 141 | Port and inland water transport |
| 142 | Air transport |
| 143 | Postal services and telecommunications |
| 144 | Miscellaneous transport services and storage |
| 145 | Wholesale distribution of food anddrink |
| 146 | Wholesale distribution of petroleumproducts |
| 147 | Other wholesale distribution |
| 148 | Retail distribution of food and drink |
| 149 | Other retail distribution |
| 150 | Dealing in coal oil builder's materialsgrain and |
| 151 | Dealing in other industrial materials and machinery |
| 152 | Insurance |
| 153 | Banking and bill discounting |
| 154 | Other financial institution |
| 155 | Property owning and managing etc |
| 156 | Advertising and market research |
| 157 | Other business services |
| 158 | Central offices not allocable elsewhere |
| 159 | Accountancy Services |
| 160 | Maintained primary and secondary schools |
| 161 | Other primary and secondary schools |
| 162 | Universities |
| 163 | Colleges of education |
| 164 | Establishments for further education |
| 165 | Educational administration |
| 166 | Educational establishments not elsewhere specified |
| 167 | Legal services |
| 168 | Hospital and consultant services |
| 169 | Local authority health services |
| 170 | General medical services |
| 171 | Dental services |
| 172 | Definition not known |
| 173 | Religious organisations |
| 174 | Research and development services |
| 175 | Architects surveyors and consultingengineers |
| 176 | Other scientific and technical services |
| 177 | Professional and scientific organisations |
| 178 | Veterinary surgery |
| 179 | Other |
| 180 | Cinemas theatres radio etc |
| 181 | Sport and other recreations |
| 182 | Betting and gambling |
| 183 | Hotels and other residential establishments |
| 184 | Restaurants cafes snack bars |
| 185 | Public houses |
| 186 | Clubs |
| 187 | Catering contractors |
| 188 | Hairdressing and manicure |
| 189 | Private domestic service |
| 190 | Laundries |
| 191 | Dry Cleaning job dyeing carpet beatingetc |
| 192 | Motor repairers distributors garages and filling |
| 193 | Repair of boots and shoes |
| 194 | Funeral services |
| 195 | Photography |
| 196 | Welfare and charitable services |
| 197 | Community service not elsewhere specified |
| 198 | Service of commonwealth and foreigngovernments |
| 199 | Trade associations |
| 200 | Other |
| 201 | Armed forces |
| 202 | Defence departments civilian staffs |
| 203 | Other |
| 204 | Police |
| 205 | Fire service |
| 206 | Other |
| 207 | Industry inadequately described |
| 208 | Place of work outside UK |
| 999 | Not applicable |
