OGE Energy Corp. is a holding company with investments in energy and energy service providers, offering physical delivery and related services for electricity in Oklahoma and western Arkansas and natural gas, crude oil and NGLs across the U.S. OGE Energy conducts these activities through two business segments: Electric Utility and Natural Gas Midstream Operations. The company is headquartered in Oklahoma City, Oklahoma and currently employs 2,237 full-time employees. The firm also holds investments in Enable and Energy Transfer, which offers natural gas, crude oil and NGL services. The company operates through two segments: electric company operations and natural gas midstream operations. Electric company operations segment operates through its subsidiary OG&E, which generates, transmits, distributes and sells electric energy in Oklahoma and western Arkansas. OG&E franchised service territory includes Fort Smith, Arkansas and the surrounding communities. Natural gas midstream operations segment included its investment in Energy Transfer's equity securities acquired in the Enable/Energy Transfer merger. The segment also includes legacy Enable seconded employee pension and postretirement costs.