T. William Porter

GSE Environmental, Inc. manufactures and markets geosynthetic lining products and services. Its products include geomembranes, geosynthetic clay liners, geogrids, and liner integrity monitoring system. The company was founded in 1972 and is headquartered in Houston, TX.

U.S. Concrete, Inc. engages in the production of ready-mixed concrete. It operates through Ready-mixed Concrete and Aggregate Products segments. The Ready-Mixed Concrete segment focuses on the formulation, preparation, and delivery of ready-mixed concrete to the job sites of customers. The Aggregate Products segment produces crushed stone, sand and gravel from aggregates facilities located in New Jersey and Texas, Oklahoma, United States, Virgin Islands, and British Columbia, Canada. The company was founded in July 1997 and is headquartered in Euless, TX.

Copano Energy LLC processes and transmits natural gas. It offers midstream services to natural gas producers, including natural gas gathering, compression, dehydration, treating, marketing, transportation, processing, and fractionation services. The company was founded by John R. Eckel Jr. in 1992 and is headquartered in Houston, TX.

Porter Hedges LLP is a law firm that specializes in handling complex litigation and sophisticated transactions for a diverse group of clients in established and growing industries. Porter Hedges is based in Houston, TX. The firm represents both public and private companies and is known for its depth of experience and ability to meet clients' business objectives.