Charles J. DiBona

Washington National Opera operates as an opera company. The company was founded in 1956 and is headquartered in Washington, DC.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Rincon Ltd. supplies raw materials for creating the energy storage systems, networks, and devices. Its products and services include specialty chemicals and compounds, power storage solutions, used lead-acid battery collections and recycling, specialty alloys and concentrates, engineering, research and development and technology licensing, and environmental services and water supply. The company was founded in 2010 and is headquartered in Toronto, Canada.

Logistics Management Institute provides management and strategic consulting services. It offers services in logistics, acquisition and financial management, infrastructure and engineering management, technology, policy and program support, organizational and human capital solutions. The company was founded on October 3, 1961 and is headquartered in McLean, VA..