Industry Analysis

2211 Electric Power Generation, Transmission and Distribution
Comprises establishments primarily engaged in generating, transmitting, and/or distributing electric power. Establishments in this industry group may perform one or more of the following activities: (1) operate generation facilities that produce electric energy; (2) operate transmission systems that convey the electricity from the generation facility to the distribution system; and (3) operate distribution systems that convey electric power received from the generation facility or the transmission system to the final consumer.

221210 Natural Gas Distribution
Comprises: (1) establishments primarily engaged in operating gas distribution systems (e.g., mains, meters); (2) establishments known as gas marketers that buy gas from the well and sell it to a distribution system; (3) establishments known as gas brokers or agents that arrange the sale of gas over gas distribution systems operated by others; and (4) establishments primarily engaged in transmitting and distributing gas to final consumers.

2213 Water, Sewage and Other Systems
Comprises establishments primarily engaged in: (1) operating water treatment plants and/or water supply systems; (2) operating sewer systems or sewage treatment facilities; or (3) providing steam, heated air, or cooled air.