也包括一些非OECD国家，便表年份为2000年左右，各国IO的部门一致。

OECD I-O Database - Industry Classification and Concordance with ISIC Rev 3, 2006

IO Industry Description
1 Agriculture, hunting, forestry and fishing
2 Mining and quarrying (energy)
3 Mining and quarrying (non-energy)
4 Food products, beverages and tobacco
5 Textiles, textile products, leather and footwear
6 Wood and products of wood and cork
7 Pulp, paper, paper products, printing and publishing
8 Coke, refined petroleum products and nuclear fuel
9 Chemicals excluding pharmaceuticals
10 Pharmaceuticals
11 Rubber and plastics products
12 Other non-metallic mineral products
13 Iron & steel
14 Non-ferrous metals
15 Fabricated metal products, except machinery and equipment
16 Machinery and equipment, nec
17 Office, accounting and computing machinery
18 Electrical machinery and apparatus, nec
19 Radio, television and communication equipment
20 Medical, precision and optical instruments
21 Motor vehicles, trailers and semi-trailers
22 Building & repairing of ships and boats
23 Aircraft and spacecraft
24 Railroad equipment and transport equipment n.e.c.
25 Manufacturing nec; recycling (include Furniture)
26 Production, collection and distribution of electricity
27 Manufacture of gas; distribution of gaseous fuels through mains
28 Steam and hot water supply
29 Collection, purification and distribution of water
30 Construction
31 Wholesale and retail trade; repairs
32 Hotels and restaurants
33 Land transport; transport via pipelines
34 Water transport
35 Air transport
36 Supporting & auxiliary transport activities; activities of travel agencies
37 Post and telecommunications
38 Finance and insurance
39 Real estate activities
40 Renting of machinery and equipment
41 Computer and related activities
42 Research and development
43 Other Business Activities
44 Public administration and defence; compulsory social security
45 Education
46 Health and social work
47 Other community, social and personal services
48 Private households with employed persons & extra-territorial organisations & bodies