David B. Kenyon

Sterling Energy Investments LLC provides gas gathering, compression, processing, treating, NGL and natural gas marketing services. It offers centennial water pipelines, sterling energy, grasslands energy marketing. The company was founded by William H. Penney in December 2000 and is headquartered in Denver, CO.

Sterling Investment Holdings LLC operates as a holding company with interests in providing natural gas gathering and processing infrastructure and related services for oil and gas production companies. The company was founded on April 4, 2013 and is headquartered in Denver, CO.

Part of Summit Midstream Partners LP, Centennial Water Pipelines LLC provides support services for oil and gas operations. The company is based in Denver, CO. The CEO of the company is William H. Penney.

Part of Summit Midstream Partners LP, Grasslands Energy Marketing LLC provides commodity marketing services. The company is based in Denver, CO. The CEO of the company is William H. Penney.

Part of Kinder Morgan, Inc., Cantera Natural Gas LLC is a company that gathers and processes natural gas. The company is based in Denver, CO. Cantera Natural Gas was acquired by Copano Energy LLC, a subsidiary of Kinder Morgan, Inc. from Metalmark Capital LLC on October 19, 2007 for $681.36 million. The company was founded by Keith R. Finger.

Monarch Midstream LLC transports and markets natural gas, oil and related hydrocarbons. The firm provides producers of natural gas and crude oil with all related services from the wellhead to market by designing, building and operating facilities dedicated to the producers needs with a strong focus on performance, safety and reliability. It is a full-service midstream energy company focused on building and operating assets in the midstream sector of the Oil and Gas industries. The company is headquartered in Greenwood, CO.

Part of Energy Transfer LP, Canyon Gas Resources LLC is a company that gathers and processes natural gas. The company is based in Englewood, CO. Canyon Gas Resources was acquired by ETP Legacy LP from Metalmark Capital LLC on October 05, 2007 for $305.20 million.

Colorado Interstate Gas Co. LLC engages in interstate transportation, storage, and processing of natural gas. The company was founded on June 08, 1927 and is headquartered in Houston, TX.