Douglas Graham

Maxus Energy Corp. explores and produces oil and gas products. It has operations in the United States, Indonesia, and Ecuador. The company was founded in 1983 and is headquartered in Houston, TX.

Willbros Group, Inc. engages in the provision of engineering and construction services to the oil, gas, refinery, petrochemical, and power industries. The company was founded by Miller Williams and David Williams in 1908 and is headquartered in Houston, TX.

Ceritas Energy LLC owns and operates pipelines and processing facilities. The company was founded in 2003 and is headquartered in Houston, TX.

Ceritas Energy II LLC engages in the exploration of oil and gas. It focuses on development, acquisition, installation, construction, and safe operation of a diversified portfolio of midstream energy assets. The firm provides recycled CO2 processing, crude oil and condensate, and natural gas and natural gas liquids services. The company was founded in February 2008 and is headquartered in Houston, TX.

Anadarko Industries LLC provides information technology, logistics, engineering, and business consulting services. It also offers procurement, administrative, fire, and safety services for Federal Government Agencies and commercial customers. The company was founded in 2003 and is headquartered Houston, TX.