Mark Ellis

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.

The Cynthia Woods Mitchell Pavilion operates as outdoor amphitheater. It caters performing arts events, educational outreach programs, and contemporary entertainment. The company was founded in April 1990 and is headquartered in The Woodlands, TX.

The Center for Hearing & Speech operates as a full-service resource in Houston to teach deaf children to listen and speak without the use of sign language. Its services include early intervention, speech clinic, family support and community outreach. The company was founded in 1947 and is headquartered in Houston, TX.

LinnCo. LLC develops gas and oil properties. The Company was founded by Michael C. Linn on April 30, 2012 and is headquartered in Houston, TX.

The National Petroleum Council operates as a council for national petroleum. The private company is based in Washington.

12th Man Foundation engages in conducting and promoting sports events. The firm offers football, soccer, volleyball, women’s basketball, softball, track & field, baseball and reed arena events. The company is headquartered in College Station, TX.

The Independent Petroleum Association of America manufactures oil and natural gas. The non-profit company is based in Washington. Barry Russell has been the CEO of the American company since 1980.

The Center for the Performing Arts provides services related to performing arts. The private company is based in Carmel, IN. The CEO of the company is Jeffrey C. McDermott.

Linn Energy, Inc. engages in the exploration and production of oil and natural gas. It operates through the following regions: Hugoton Basin; Texas and north Louisiana; Michigan and Illinios; Mid-Continent; Permian Basin; and Rockies. The company was founded on February 14, 2017 and is headquartered in Houston, TX.

PDC Energy, Inc. engages in the exploration and production of oil and natural gas. The firm acquires, explores, and develops properties for the production of crude oil, natural gas, and natural gas liquids. Its primary operations are located in the Wattenberg Field in Colorado and the Delaware Basin in Texas. The company was founded in 1969 and is headquartered in Denver, CO.

Burlington Resources Canada Ltd. provides oil exploration services. The company was founded in 1973 and is located in Calgary, Canada.