Douglas A. Staebler

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.

The American Society of Civil Engineers, founded in 1852, is the oldest national engineering society in America. The non-profit company is based in Reston, VA and has subsidiaries in the United States. With over 150,000 members worldwide, the organization advocates for sustainable and resilient practices to maintain and modernize the nation's infrastructure. The company also works to increase investment in infrastructure and improve engineering knowledge and competency. The society's Civil Engineering Landmark Program recognizes historically significant civil engineering projects, structures, and sites.

NUI Corporation was incorporated in New Jersey on February 8, 2000. It distributes and transports natural gas

Henkels & McCoy, Inc. provides utility construction services. Its services include project managment, construction, engineering and design, ongoing maintenance and emergency services. The firm serves the electric power, communications, information technology, natural gas and pipeline, water and utility industries. The company was founded by Jack B. Henkels Jr. and John McCoy in 1923 and is headquartered in Blue Bell, PA.

Elizabethtown Gas Co. transports natural gas. It offers construction, telecommunications, and consulting services on underground construction projects, including telecommunication, water, cable, and electric. The company was founded in 1855 and is headquartered in Union, NJ.

Washington Gas Light Co. is a regulated public utility company, which engages in the natural gas distribution business. It offers regulated distribution of natural gas to retail customers under tariff rates designed to provide for a return on the investment used in providing that service. The company was founded in 1848 and is headquartered in Washington, DC.