Robert A. Stanger

Frontier Communications Corp. engages in the provision of communication services to urban, suburban, and rural customers. The firm offers voice, data, and video services and products on a standalone basis and as bundled or packaged solutions. It also provides data and Internet services, voice services, switched access services, video services, and Customer Premise Equipment. The company was founded in 1935 and is headquartered in Stamford, CT.

Callon Petroleum Co. engages in the exploration, development, acquisition, and production of oil and natural gas properties in the United States. It focuses on unconventional oil and natural gas reserves in the Permian Basin. The company was founded by Sim C. Callon and John S. Callon in 1950 and is headquartered in Houston, TX.