Sean M. Gore

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.

Part of PGS ASA, Petroleum Geo-Services, Inc. is a company that wholesales petroleum and petroleum products. The company is based in Houston, TX.

Global Geophysical Services, Inc. engages in the provision of seismic data solutions to the global oil and gas industry. Its seismic data solutions primarily consists of seismic data acquisition, microseismic monitoring, processing, and interpretation services. The company also owns and markets a growing seismic data library and licenses this data to clients on a non-exclusive basis. The company was founded by Richard A. Degner and Craig A. Lindberg on June 18, 2003 and is headquartered in Missouri City, TX.