The document contains detailed classifications of industries according to the Standard Industrial Classification (SIC7) codes. These codes cover a wide range of sectors, providing specific descriptions for each industry.

Appendix C: SIC7 Codes

Electricity, Gas, Steam, and Air Conditioning Supply
35101: Generation of electricity
35102: Distribution of purchased electric energy only
35103: Generation and/or distribution for own use
35200: Manufacture of gas; distribution of gaseous fuels through mains
35300: Steam and air conditioning supply