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Table 2 Number and distribution of listed companies based on the US SIC primary code

From: Relation of R&D expense to turnover and number of listed companies in all industrial fields

US SIC primary code - Text description Number of listed companies Ratio
(%)
01 - Agricultural production-crops 521 0.88
02 - Agricultural production-livestock and animal specialities 234 0.39
07 - Agricultural services 296 0.50
08 - Forestry 63 0.11
09 - Fishing, hunting and trapping 78 0.13
10 - Metal mining 2475 4.16
12 - Coal mining 203 0.34
13 - Oil and gas extraction 1336 2.25
14 - Mining and quarrying of nonmetallic minerals, except fuels 475 0.80
15 - Building construction-general contractors and operative builders 840 1.41
16 - Heavy construction other than building construction-contractors 668 1.12
17 - Construction-special trade contractors 352 0.59
20 - Food and kindred products 2267 3.81
21 - Tobacco products 66 0.11
22 - Textile mill products 1114 1.87
23 - Apparel and other finished products made from fabrics and similar materials 536 0.90
24 - Lumber and wood products, except furniture 279 0.47
25 - Furniture and fixtures 208 0.35
26 - Paper and allied products 565 0.95
27 - Printing, publishing and allied industries 518 0.87
28 - Chemicals and allied products 3889 6.54
29 - Petroleum refining and related industries 223 0.38
30 - Rubber and miscellaneous plastics products 766 1.29
31 - Leather and leather products 157 0.26
32 - Stone, clay, glass and concrete products 1077 1.81
33 - Primary metal industries 1226 2.06
34 - Fabricated metal products, except machinery and transportation equipment 1019 1.71
35 - Industrial and commercial machinery and computer equipment 2519 4.24
36 - Electronic and other electrical equipment and components, except computer equipment 3597 6.05
37 - Transportation equipment 1166 1.96
38 - Measuring, analyzing and controlling instruments; photographic, medical and optical goods; watches and clocks 1222 2.06
39 - Miscellaneous manufacturing industries 557 0.94
40 - Railroad transportation 75 0.13
41 - Local and suburban transit and interurban highway passenger transportation 163 0.27
42 - Motor freight transportation and warehousing 330 0.56
43 - United States postal service 6 0.01
44 - Water transportation 432 0.73
45 - Transportation by air 204 0.34
46 - Pipelines, except natural gas 57 0.10
47 - Transportation services 511 0.86
48 - Communications 1219 2.05
49 - Electric, gas and sanitary services 1483 2.50
50 - Wholesale trade, durable goods 2146 3.61
51 - Wholesale trade, nondurable goods 1031 1.73
52 - Building materials, hardware, garden supply, and mobile home dealers 44 0.07
53 - General merchandise stores 293 0.49
54 - Food stores 302 0.51
55 - Automotive dealers and gasoline service stations 155 0.26
56 - Apparel and accessory stores 167 0.28
57 - Home furniture, furnishings, and equipment stores 206 0.35
58 - Eating and drinking places 389 0.65
59 - Miscellaneous retail 518 0.87
60 - Depository institutions 1170 1.97
61 - Non-depository credit institutions 3270 5.50
62 - Security and commodity brokers, dealers, exchanges and services 856 1.44
63 - Insurance carriers 137 0.23
64 - Insurance agents, brokers, and service 100 0.17
65 - Real estate 2113 3.56
67 - Holding and other investment offices 2761 4.65
70 - Hotels, rooming houses, camps, and other lodging places 670 1.13
72 - Personal services 121 0.20
73 - Business services 4524 7.61
75 - Automotive repair, services, and parking 150 0.25
76 - Miscellaneous repair services 38 0.06
78 - Motion pictures 222 0.37
79 - Amusement and recreation services 371 0.62
80 - Health services 479 0.81
81 - Legal services 14 0.02
82 - Educational services 192 0.32
83 - Social services 42 0.07
84 - Museums, art galleries, and botanical and zoological gardens 7 0.01
86 - Membership organizations 15 0.03
87 - Engineering, accounting, research, management, and related services 1591 2.68
88 - Private households 0 0.00
89 - Services not elsewhere classified 199 0.33
91 - Executive, legislative, and general government, except finance 4 0.01
92 - Justice, public order, and safety 13 0.02
93 - Public finance, taxation, and monetary policy 40 0.07
94 - Administration of human resource programs 8 0.01
95 - Administration of environmental quality and housing programs 18 0.03
96 - Administration of economic programs 54 0.09
97 - National security and international affairs 8 0.01
99 - Nonclassifiable establishments 0 0.00
Total 59,430 100.00