Standard Industrial Code Divisions

Major Group: 49—Electric, Gas, And Sanitary Services

This major group includes establishments engaged in the generation, transmission, and/or distribution of electricity or gas or steam. Such establishments may be combinations of any of the above three services and also include other types of services, such as transportation, communications, and refrigeration. Water and irrigation systems, and sanitary systems engaged in the collection and disposal of garbage, sewage, and other wastes by means of destroying or processing materials, are also included. If one service of a combination system does not constitute 95 percent or more of revenues, the establishment should be classified as a combination in Industry Group 493, with the subgroup being determined by the major service supplied.

Codes Titles Total Marketable US Businesses
Industry Group 491: Electric Services
4911Electric Services26,976
Industry Group 492: Gas Production And Distribution
4922Natural Gas Transmission1,789
4923Natural Gas Transmission and Distribution474
4924Natural Gas Distribution2,496
4925Mixed, Manufactured, or Liquefied Petroleum Gas Production and/or457
Industry Group 493: Combination Electric And Gas, And Other Utility Services
4931Electric and Other Services Combined985
4932Gas and Other Services Combined347
4939Combination Utilities, Not Elsewhere Classified871
Industry Group 494: Water Supply
4941Water Supply11,782
Industry Group 495: Sanitary Services
4952Sewerage Systems2,090
4953Refuse Systems28,889
4959Sanitary Services, Not Elsewhere Classified5,803
Industry Group 496: Steam And Air-conditioning Supply
4961Steam and Air-Conditioning Supply307
Industry Group 497: Irrigation Systems
4971Irrigation Systems5,102