David W. Hooker

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.

Aquila Energy Corp. /MO/ is a company based in Kansas City, MO.

Market Hub Partners is an American company that provides natural gas salt cavern storage services. Part of Enbridge, Inc., the company's focus is on offering storage solutions for natural gas.

Merchant Energy Partners LLC develops, constructs, and operates natural gas storage. The company was founded on October 3, 2010 and is headquartered in Houston, TX.

East Cheyenne Gas Storage LLC engages in natural gas storage business. The company is headquartered in Houston, TX.

CAES Development Co. LLC develops compressed air energy storage facilities. The company converts excess electricity generated at night by base load coal and nuclear power plants into more profitable and flexible daytime energy. The firm was founded in 1998 and is headquartered in Houston, TX.

Inergy Midstream LLC develops, acquires, owns and operates midstream energy assets. The company conducts business through subsidiaries, which own and operate natural gas and natural gas liquid storage and transportation facilities and a salt production business located in the Northeast region of the United States. It operates through two segments: Storage & Transportation and Salt. The Storage & Transportation segment includes four natural gas storage, natural gas pipeline and an NGL storage facility. The Salt segment includes the assets and operations of its wholly-owned subsidiary, U.S. Salt LLC, a solution mining and salt production company. Inergy Midstream was founded in September 2004 and is headquartered in Kansas City, MO.