Joseph Hamrock

Columbus Southern Power Co. provides electricity transmission and distribution services. It sells power to wholesale customers such as municipal utilities and energy marketers. The company is headquartered in Columbus, OH.

Ohio Power Co. engages in the generation, transmission, and distribution of electric power to retail customers. It also supplies and markets electric power at wholesale to other electric utility companies, municipalities, and other market participants. The principal industries served by the company include: primary metals, chemicals and allied products, health services, electronic machinery, petroleum refining, and rubber and plastic products. The company was founded in 1907 and is headquartered in Columbus, OH.

American Electric Power Service Corp. provides management and engineering solutions. It offers engineering, technical, and drafting services. The company was founded in 1937 and is headquartered in Columbus, OH.

The American Gas Association represents over 200 energy companies that provide natural gas service to 180 million Americans. The private company is based in Washington. The American company's natural gas utilities are committed to reducing greenhouse gas emissions through new and modernized infrastructure and advanced technologies that maintain reliable, resilient, and affordable energy service choices for consumers. The company advocates on behalf of its member natural gas distribution utilities before Federal agencies in the area of energy market regulation.

OhioHealth Corp. operates as a non-profit organization that provides healthcare services. It offers behavioral health, interventional radiology, orthopedics, pastoral care, senior health services, complementary therapies, neuropsychology, pain management, rehabilitation services, surgical weight management, robotic surgery, and weight management. The company was founded in 1891 and is headquartered in Columbus, OH.

NiSource Corporate Services Co. provides management services for NiSource and its subsidiaries. The company was founded on December 31, 1932 and is headquartered in Merrillville, IN.

Columbus Downtown Development Corp. operates as a non-profit development corporation. its projects include Columbus Commons, Lazarus Building, Scioto Mile, and The Peninsula. The company was founded in 2002 and is headquartered in Columbus, OH.

The Columbus Partnership acts as a non-profit, membership-based CEO organization. It engages in all major projects that need strong civic leadership and intend to enhance the quality of our schools, arts and cultural organizations, or the development of downtown Columbus. The company was founded in 2002 and is headquartered in Columbus, OH.