Translation table between the old industry sectors on Largestcompanies and the new ones valid from September 18, 2007:
 
Old Industry New Industry Explanation
B0 B00 Conglomerates
B1 B01 Agriculture, hunting and related service activities
  B05 Fishing, operation of fish hatcheries and fish farms service activities incidental to fishing
B2 B02 Forestry, logging and related service activities
B3 B10 Mining of coal and lignite extraction of peat
  B11 Extraction of crude petroleum and natural gas service activities incidental to oil and gas extraction excluding surveying
  B12 Mining of uranium and thorium ores, metal ores and other mining and quarrying
B4 B15 Manufacture of food products and beverages and  tobacco products
B5 B17 Manufacture of textiles
B6 B18 Manufacture of wearing apparel; dressing and dyeing of fur
B19 Tanning and dressing of leather; manufacture of luggage, handbags, saddlery, harness and footwear
B7 B20 Manufacture of wood and of products of wood and cork, except furniture manufacture of articles of straw and plaiting materials
B8 B21 Manufacture of pulp, paper and paper products
B9 B22 Publishing, printing and reproduction of recorded media
B10 B23 Manufacture of coke, refined petroleum products and nuclear fuel
B11 B24 Manufacture of chemicals and chemical products
B12 B25 Manufacture of rubber and plastic products
B13 B26 Manufacture of other non-metallic mineral products
B14 B27 Manufacture of basic metals
B15 B28 Manufacture of fabricated metal products, except machinery and equipment
B16 B29 Manufacture of machinery and equipment n.e.c.
B17 B30 Manufacture of office machinery and computers
B18 B31 Manufacture of electrical machinery and apparatus n.e.c.
B19 B32 Manufacture of radio, television and communication equipment and apparatus
B20 B33 Manufacture of medical, precision and optical instruments, watches and clocks
B21 B34 Manufacture of motor vehicles, trailers and semi-trailers
B22 B35 Manufacture of other transport equipment
B23 B361 Manufacture of furniture
  B362 Manufacture of jewellery and related articles, musical instruments, sports goods, games and toys, and miscellaneous manufacturing n.e.c.
B24 B362 Manufacture of jewellery and related articles, musical instruments, sports goods, games and toys, and miscellaneous manufacturing n.e.c.
B25 B37 Recycling
  B40 Electricity, gas, steam and hot water supply
B26 B45 Construction
B27 B50 Sale, maintenance and repair of motor vehicles and motorcycles; retail sale of automotive fuel
B28 B5111 Agents involved in the sale of agricultural raw materials, live animals, textile raw materials and semi-finished goods
B5112 Agents involved in the sale of fuels, ores, metals and industrial chemicals
B5113 Agents involved in the sale of timber and building materials
B5114 Agents involved in the sale of machinery, industrial equipment, ships and aircraft
B5115 Agents involved in the sale of furniture, household goods, hardware and ironmongery
B5116 Agents involved in the sale of textiles, clothing, footwear and leather goods
B5117 Agents involved in the sale of food, beverages and tobacco
B5118 Agents specializing in the sale of particular products or ranges of products n.e.c. and agents involved in the sale of a variety of goods
B29 B512 Wholesale of agricultural raw materials and live animals
B30 B513 Wholesale of food, beverages and tobacco
B31 B51472 Wholesale of sports and leisure goods
B32 B5141 Wholesale of textiles, clothing and footwear
B33 B5143 Wholesale of electrical household appliances and radio and television goods
B34 B5144 Wholesale of china and glassware, wallpaper and cleaning materials
B35 B5145 Wholesale of perfume and cosmetics
B36 B5146 Wholesale of pharmaceutical goods
B37 B51471 Wholesale of furniture fittings
B38 B51473 Wholesale of stationery and other office supplies
B39 B5152 Wholesale of metals and metal ores
  B5153 Wholesale of wood, construction materials and sanitary equipment
  B5154 Wholesale of hardware, plumbing and heating equipment and supplies
  B5156 Wholesale of other intermediate products
  B5157 Wholesale of waste and scrap
B40 B5151 Wholesale of solid, liquid and gaseous fuels and related products
B5155 Wholesale of chemical products
B41 B5181 Wholesale of machine tools
  B5182 Wholesale of mining, construction and civil engineering machinery
  B5183 Wholesale of machinery for the textile industry and of sewing and knitting machines
  B5187 Wholesale of other machinery for use in industry, trade and navigation
  B5188 Wholesale of agricultural machinery and accessories and implements, including tractors
B42 B5184 Wholesale of computers, computer peripheral equipment and software
B5185 Wholesale of other office machinery and equipment and office furniture
B43 B5186 Wholesale of electronic parts
B44 B519 Other wholesale
B45 B521 Retail sale in non-specialized stores and retail sale of food, beverages and tobacco in specialized stores
B46 B523 Retail sale of pharmaceutical and medical goods, cosmetic and toilet articles
B47 B5241 Retail sale of textiles
  B5242 Retail sale of clothing, and  footwear and leather goods
B48 B5244 Retail sale of furniture, lighting equipment and household articles n.e.c.
B49 B5245 Retail sale of electrical household appliances and radio and television goods
B50 B5246 Retail sale of hardware, paints and glass, and wallpaper, carpets, rugs and floor coverings
B51 B5247 Retail sale of books, newspapers and stationery
B52 B5248 Retail sale of spectacles and other optical goods, photographic equipment, and related services,  watches and clocks, and jewellery, gold wares and silverware
B52485 Retail sale of sports and leisure goods, and games and toys
B52487 Retail sale of flowers and other plants
B525 Retail sale of second-hand goods in stores
B527 Repair of personal and household goods
B53 B52493 Retail sale of computers, office machinery and computer programmes, and telecommunication equipment; retail sale in specialized stores n.e.c.
B54 B526 Retail sale not in stores
B55 B55 Hotels and restaurants
B56 B60 Land transport; transport via pipelines
B57 B61 Water transport
B58 B62 Air transport
B59 B63 Supporting and auxiliary transport activities; activities of travel agencies
B60 B63 Supporting and auxiliary transport activities; activities of travel agencies
B61 B64 Post and telecommunications
B62 B651 Monetary intermediation
B63 B651 Monetary intermediation
B64 B6521 Financial leasing and other credit granting
B65 B6523 Other financial intermediation n.e.c.
B66 B66 Insurance and pension funding, except compulsory social security
B67 B66 Insurance and pension funding, except compulsory social security
B68 B67 Activities auxiliary to financial intermediation
B69 B70 Real estate activities
B70 B71 Renting of machinery and equipment without operator and of personal and household goods
B71 B72 Computer and related activities
B72 B73 Research and development
B73 B7411 Legal activities
  B7412 Accounting, book-keeping and auditing activities tax consultancy
  B7413 Market research and public opinion polling
  B7414 Business and management consultancy activities
  B7415 Management activities of holding companies
B74 B742 Architectural and engineering activities and related technical consultancy
B75 B743 Technical testing and analysis
B76 B744 Advertising
B74871 Graphical design and other design activities
B77 B746 Investigation and security activities
B78 B747 Industrial cleaning
B79 B745 Labour recruitment and provision of personnel
  B7481 Photographic activities
  B7482 Packaging activities
  B7485 Secretarial and translation activities
  B7486 Call centre activities
  B74873 Debt collecting and credit rating activities
  B74874 Exhibition, trade fair, congress and day conference activities and various other business activities
B80 B75 Public administration and defence compulsory social security
B80 Education
B81 B85 Health and social work
B82 B90 Sewage and refuse disposal, sanitation and similar activities
B83 B91 Activities of membership organizations n.e.c.
B84 B92 Recreational, cultural and sporting activities
B85 B93 Other service activities