Roger Linn

Catalyst/Hall is a private equity firm founded by Catalyst Group and Hall Brothers Holding in 2002. The firm is headquartered in Texas, United States.

NATCO Group, Inc. provides equipment technology for oil & gas production and processing. Its services include construction & maintenance, manufacturing, operating & leasing engineer equipment and training. The company also provides equipment solutions including oil treating, separation, gas conditioning, water quality, measurement systems and automation & controls. NATCO Group was founded in 1926 and is headquartered in Houston, TX.

Sam Houston Area Council provides scouting programs for boys and young adults. It prepares young people to make ethical and moral choices over their lifetime by instilling in them the values of the Scout Oath and Law. The company is headquartered in Houston, TX.

Lyondell Chemical Co. manufactures and distributes chemicals & plastics, produces fuel products, and refines heavy & high-sulfur crude oil. The company operates in four segments: Ethylene Co-Products and Derivatives, Propylene Oxide & Related Products, Refining, and Inorganic Chemicals. The company's products are used in the clothing, food packaging, household furnishings, automotive parts, construction, home-building materials, paints, and coating industries. The company was founded in 1985 and is headquartered in Houston, TX.

Teekay Offshore GP LLC provides investment advisory services. It operates as a general partner of Teekay Offshore Partners LP. The company is headquartered in Hamilton, Bermuda.

Pelican Energy Partners ( Pelican Energy Partners ) is a private equity firm founded by Michael Scott in 2011. The firm is headquartered in Houston, Texas.

Tally Energy Services, Inc. focuses on the economics of North America shale development. It also provides oil and gas drilling and artificial lift services. The company is headquartered in Houston, TX.

Grant Thornton LLP provides accounting, tax and business consulting services. It offers advisory, business consulting, business risk, enterprise technology and innovation, transaction services, data analytics, cyber risk, and data integrity services. The firm serves the construction, real estate and hospitality, consumer and industrial products, energy, financial services, health care and life sciences, not for profit organizations, private equity, public sector, and technology industries. The company was founded in 1924 and is headquartered in Chicago, IL.