David Williams

Spindletop Charities, Inc. promotes goodwill and fellowship within the oil and gas industry while benefiting children in need. It offers programs targeting child abuse prevention, pediatric medical research, drug and alcohol abuse prevention and rehabilitation, education and scholarships, school safety, therapeutic services and after-school programs, and family health. The company was founded by Loy D. Griffin in 1966 and is headquartered in Houston, TX.

The Houston Museum of Natural Science operates a national museum. It consists of a planetarium, environmentally-controlled butterfly center, off-site observatory, advanced IMAX theatre and temporary and permanent exhibit halls. The museum features displays on subjects such as space science, energy, paleontology, chemistry, gems and minerals, ancient Egyptians, Native Americans and Texas wildlife. The company was founded in 1909 and is headquartered in Houston, TX.

Noble Corp. Plc engages in the provision offshore drilling services for oil and gas industry. It focuses on a balanced fleet of floating and jackup rigs and the deployment of drilling rigs in oil and gas basins around the world. The company was founded by Lloyd Noble and Art Olson in 1921 and is headquartered in Sugar Land, TX.

American Petroleum Institute (API) is the only national trade association that represents all aspects of America's oil and natural gas industry. Its more than 400 corporate members, from the largest major oil company to the smallest of independents, come from all segments of the industry. They are producers, refiners, suppliers, pipeline operators and marine transporters, as well as service and supply companies that support all segments of the industry.

Noble Drilling Services LLC operates as a drilling contractor. The company was founded on January 3, 1990 and is headquartered in Sugar Land, TX.

American Bureau of Shipping engages in the provision of classification services to marine, offshore, and gas industry. It offers government, container certification, rapid response damage assessment, type approval, and maritime training. The company was founded in 1862 and is headquartered in Spring, TX.