Archived - Standard Industrial Classification - Establishments (SIC-E) 1980

• H - Communication and Other Utility Industries
• 49 - Other Utility Industries
• 491 - Electric Power Systems Industry

4911 - Electric Power Systems Industry

Establishments primarily engaged in the generation, transmission and/or distribution of electricity. This industry includes establishments primarily engaged in the generation and transmission of electric power even if all or almost all of the power is used in a particular manufacturing, mining or other plant. Establishments primarily engaged in building electric generating stations, including dams and other related structures are classified in Major Group 41 - Industrial and Heavy (Engineering) Construction, whether or not these establishments are owned by a company engaged in the generation and transmission of electric power.