73 - Business services | |
87 - Engineering, accounting, research, management, and related services | |
28 - Chemicals and allied products | |
35 - Industrial and commercial machinery and computer equipment | |
36 - Electronic and other electrical equipment and components, except computer equipment | |
37 - Transportation equipment | |
38 - Measuring, analyzing and controlling instruments; photographic, medical and optical goods; watches and clocks | |
48 - Communications | |
49 - Electric, gas and sanitary services |