R. Guerra

TEPPCO Partners LP is a publicly traded energy logistics partnership with operations that span much of the continental United States. TEPPCO owns and operates an extensive network of assets that facilitate the movement, marketing, gathering and storage of various commodities and energy-related products. The partnership's midstream portfolio of assets comprises pipelines that gather and transport refined petroleum products, crude oil, natural gas, liquefied petroleum gases (LPGs) and natural gas liquids (NGLs), and includes one of the largest common carrier pipelines for refined petroleum products and LPGs in the United States. TEPPCO also owns a marine business that operates primarily on the United States inland and Intracoastal Waterway systems, and in the Gulf of Mexico.

Southwest Research Institute is a research and development organization. It offers technical services in engine design and development, emissions certification testing, fuels and lubricants. The firm provide services to automotive and transportation, biomedical and health, chemistry and materials, defence and security, electronics and automation, energy and environment, manufacturing and construction industries. The company was founded in 1947 and is headquartered in San Antonio, TX.

Great Hearts Academies is a nonprofit network of tuition-free public charter schools that provides classical preparatory K-12 education. The private company is based in Phoenix, AZ. The organization is the largest provider of liberal arts classical education campuses in the United States, serving over 22,000 students at 33 tuition-free public schools in various locations including Texas. The curriculum is interdisciplinary, incorporating the great books with advanced math and science, a focus on the arts and language, and a range of competitive athletics and extra-curricular activities. The company was founded by Jay Heiler and Daniel Scoggin, and Jay Heiler has been the CEO since incorporation.

The San Antonio Clean Technology Forum operates as a civic group promoting sustainability issues. The company was founded by Michael D. Burke in 2008 and is headquartered in San Antonio, TX.