Alexandra Pruner

Gulf Publishing Co. produces and distributes leading trade journals, industry research, databases, software, publications, conferences and events designed for the needs of the energy industry. The firm's flagship publications are world oil, hydrocarbon processing, petroleum economist and gas processing. The company was founded in 1916 and is headquartered in Houston, TX.

PetroCosm Corp provides business-to-business services for the purchasing of goods and services. The private company is based in Houston, TX.

Houston Zoo, Inc. engages in the operation and management of zoo. The firm operates as a conservation, education, and recreation organization dedicated to the reproduction, protection, and exhibition of animals in their habitats. It participates in programs that oversee the breeding of endangered animal species. The company was founded in 1922 and is headquartered in Houston, TX.

Perella Weinberg Partners LP (PWP) is the registered broker/dealer subsidiary of Perella Weinberg Partners Group LP. Headquartered in New York City, the firm was founded in 2005 by Joe Perella, Peter Weinberg and Tarek Abdel-Meguid. PWP offers full spectrum of brokerage services to retail clients.

Houston Symphony engages in the operation of an orchestra. It also manages individual giving, young associates council. legacy giving, special events, and endowment. The company was founded by Ima Hogg in 1913 and is headquartered in Houston, TX.

The Texas Medical Center provides healthcare services. The company was founded in 1900 and is headquartered in Huston, TX.

Tudor, Pickering, Holt & Co. LLC provides investment banking services. The company was founded in 2007 and is headquartered in Houston, TX.

United Way of Greater Houston provides child and family social services. It offers programs in the following four areas, developing children and youth to their full potential with an emphasis on programs involving abuse and neglect, adoption, character development, child care and after school services, delinquency intervention, foster care, special education, and teen pregnancy. The company is headquartered in Houston, TX.

TPH Partners LLC (TPH Partners) is a private equity subsidiary of Tudor, Pickering, Holt & Co. LLC founded in 2008 by GeoMcCormick. The firm is headquartered in Houston, Texas.

PAA GP Holdings LLC engages in the provision of transportation, storage, and marketing of crude oil and refined products. The company is headquartered in Houston, TX.

Encino Acquisition Partners LLC engages in Oil and Gas exploration. The company was founded on August 29, 2016 and is headquartered in Houston, TX.

Malta, Inc. engages in storing renewable energy in molten salts. The firm involves in grid-scale energy storage technology which stores electricity from renewable energy sources as heat inside large tanks of high-temperature molten salt and as cold in large tanks of chilled liquid. The company is headquartered in Cambridge, MA.