FirstEnergy Corp. engages in the generation, transmission, and distribution of electricity, energy management and other energy-related services through its subsidiaries. It operates through the following business segments: Regulated Distribution, Regulated Transmission, and Corporate or Other. The Regulated Distribution segment distributes electricity through FirstEnergy's utility operating companies, serving various customers. The Regulated Transmission segment transmits electricity through transmission facilities owned and operated by FirstEnergy's utilities. The Corporate or Other segment reflects corporate support and other costs not charged or attributable to the utilities or transmission companies. The company was founded in 1996 and is headquartered in Akron, OH.