Robert D. Hallett

Eagle Rock Energy Partners LP engages in the exploitation, development, and production of oil and natural gas properties. It provides ancillary gathering, compressing, treating, processing, and providing marketing services to its production of natural gas, natural gas liquids, condensate, and crude oil. The company was founded on May 25, 2006 and is headquartered in Houston, TX.

Part of Grizzly Energy LLC, Eagle Rock Energy G & P LLC is a company based in Houston, TX. Scott W. Smith has been the CEO of the company since 2015.

Crestwood Equity Partners LP engages in investment and management of energy midstream assets. It operates through the following segments: Gathering and Processing, Storage and Transportation, and Marketing, Supply, and Logistics. The Gathering and Processing segment provides gathering and transportation services, processing, treating, and compression services, and disposal services to producers in unconventional shale plays and tight-gas plays. The Storage and Transportation segment includes COLT Hub and equity investments in three joint ventures. The Marketing, Supply, and Logistics segment consists of natural gas liquids, crude oil, and natural gas marketing and logistics operations. The company was founded in March 2001 and is headquartered in Houston, TX.