David Levinson

ECO2 Plastics, Inc. produces recycled plastic flake for manufacturers. It operates plastics materials recycling plants in the United States. The company was founded in 2000 and is headquartered in Riverbank, CA.

Citigroup Global Markets Holdings, Inc. provides investment banking and securities brokerage services. It offers financial advisory, research and capital raising services to corporations, governments and individuals. The company was founded in 1977 and is headquartered in New York, NY.

Lehigh Technologies, Inc. is a specialty materials company that transforms end-of-life tires and ost-industrial rubber into sustainable micronized rubber powders. It replace oil- and rubber-based feedstock in a range of industrial and consumer applications, including performance tires, consumer, industrial plastics, goods, coatings, sealants and construction materials. The firm also offers customer comprehensive closed-loop services. The company was founded by Anthony M. Cialone, James B. Gray and Dennis J. Gormley in 2003 and is headquartered in Tucker, GA.

Thomas Weisel Partners Group, Inc. is an investment banking company, which engages in the provision of investment banking, brokerage, equity research, and asset management services. Its services include brokerage services, tax and estate planning strategies, investment management consulting, alternate investments, and corporate client services. The company was founded by Thomas W. Weisel in 1999 and is headquartered in San Francisco, CA.

The WRM Co. engages in the provision of non-hazardous liquid waste collection, hauling, processing, disposal, and recycling services. The company is headquartered in Houston, TX.

Stifel, Nicolaus & Co., Inc. (Stifel) is a dual-registered broker-dealer and investment adviser headquartered in St. Louis, Missouri. Founded in 1890, the firm is a subsidiary of Stifel Financial Corp. (NYSE: SF), a financial service holding company. Stifel provides full-service brokerage and investment advisory services to individuals and their families, institutions and businesses, and financial advisors.

Part of Nippon Telegraph & Telephone Corp., Best Internet Communications, Inc. provides web hosting services. The company is based in Mountain View, CA. Best Internet Communications was acquired by Hiway Technologies, Inc., part of Nippon Telegraph & Telephone Corp. from January 05, 1999 on April 28, 1998.

Community Energy, Inc. provides renewable energy development services. It builds solar and wind energy projects by engaging customers. The company was founded by R. Brent Alderfer and Erik Blank in 1999 and is headquartered in Radnor, PA.

Pearl Energy Investment Management, LLC (Pearl Energy Investment) is a private equity firm founded in 2015 by William J. Quinn and Chris Aulds. The firm is headquartered in Dallas, Texas.

Global Resource Options, Inc. provides solar energy solutions for commercial and residential applications. It offers turnkey engineering, procurement and construction of solar photovoltaic projects. The firm's solutions encompass design-build, development support, operations and maintenance, product procurement and financing. It serves developers, financial, commercial, government, utility and other institutional clients. The company was founded by Jeffery D. Wolfe and Dorothy M. Wolfe in 1998 and is headquartered in White River Junction. VT.

Wellsite Fishing & Rental Services LLC provides rental equipment services for oil and gas industries. It offers equipment for drilling, work-over and coil tubing services to the domestic onshore oil and gas industry. The firm offers oilfield services, oilfield services, and specialty rentals. The company was founded by Kirby Arceneaux and Jessica Roger in 2013 and is headquartered in Broussard, LA.

Dallas Zoological Society engages in saving wildlife. The company was founded in 1888 and is headquartered in Dallas, TX.

Presbyterian Healthcare Services Corp. operates hospitals. It offers all type of healthcare services. The company was founded in 1908 and is headquartered in Albuquerque, NM.

World Wildlife Fund, Inc. protects natural areas and wild populations of plants and animals. It provides programs for protection of endangered species, preservation of ecological systems, and environmental educational policy development. The company was founded in 1961 and is headquartered in Washington, DC.

Bright Plain Renewable Energy acquires and manages solar projects. The company is headquartered in San Francisco, CA.