Kevin W. Kirby

Southern Company Gas operates as an energy services holding company, which engages in distribution of natural gas. Its business segments include Distribution Operations, Retail Operations, Wholesale Services, and Midstream Operations. The company was founded in 1995 and is headquartered in Atlanta, GA.

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.

Chicago Zoological Society, Inc. provides animal care services. It provides indoor animal exhibition, family play zoo, dolphin presentations, and motor safari tram tours. The firm offers programming for various groups, including teachers, schools, youth groups, groups with disabilities, community groups, and teens, as well as individuals, families, and children. The company was founded in 1934 and is headquartered in Brookfield, IL.

Northern Illinois Gas Co. distributes natural gas properties. It also provides natural gas storage and transmission-related services to marketers and other gas distribution companies. The company was founded in 1954 and is headquartered in Naperville, IL.

Nicor Energy operates as a full-service energy company. The private company is based in Lisle, IL and has subsidiaries in the United States.

Clean Energy Trust is a non-profit organization which provides clean energy technology solutions. The firm also specializes in commercializing research from labs and universities into the market. The company was founded in 2010 and is headquartered in Chicago, IL.