Vectren Corporation, through its subsidiaries, provides energy delivery services to residential, commercial, and industrial and other customers in Indiana and Ohio. It provides natural gas distribution and transportation services in Indiana and west central Ohio; and electric distribution services primarily in southwestern Indiana. The company also owns and operates electric generation plants; and provides gas marketing, gas portfolio optimization, and other portfolio and energy management services to municipalities, utilities, industrial operations, schools, and healthcare institutions located in the Midwest and Southeast United States. In addition, it mines and sells coal; provides performance contracting and renewable energy services; engages in underground construction, repair, and rehabilitation of gas, water, and wastewater facilities; and invests in broadband communication services, energy-related opportunities and services, real estate, and leveraged leases. The company serves various industries, including automotive assembly, parts, and accessories; feed, flour, and grain processing; metal castings; aluminum products; appliance manufacturing; polycarbonate resin and plastic products; aluminum smelting and recycling; gypsum products; electrical equipment; metal specialties; glass; steel finishing; pharmaceutical and nutritional products; gasoline and oil products; and coal mining. As of December 31, 2007, Vectren Corporation supplied natural gas service to approximately 998,000 customers; and electric service to approximately 141,000 customers. The company was founded in 1912 and is headquartered in Evansville, Indiana.