CDM MAX, LLC is a Texas-based resource management company with gas processing facilities located in southern Louisiana. CDM MAX's service is providing natural gas producers with the optimal combination of residue revenue and NGL revenue for their gas, each day, by adjusting NGL recoveries up or down, to capture positive NGL margins and avoid losses during negative margin periods.

Cobalt International Energy, L.P. is an oil and gas exploration and development company focused on pursuing niche opportunities in the Deepwater Gulf of Mexico and offshore international areas. Cobalt's strategy is to utilize its regional expertise along with advanced technology to identify and develop meaningful reserve targets in select offshore ventures.

Dresser, Inc. is a worldwide industry leader in providing highly engineered products for the global energy infrastructure. Dresser's broad portfolio of products includes valves, actuators, meters, switches, regulators, piping products, natural gas-fueled engines, retail fuel dispensers and associated retail point of sale systems, and air and gas handling equipment.

Foresight Reserves, LP develops and operates coal mines and related infrastructure. Through its subsidiaries, Foresight owns or controls more than three billion tons of coal reserves in the Illinois and Northern Appalachian coal basins. Foresight is majority-owned and led by Christopher Cline. The company also has a strategic relationship with Natural Resource Partners, L.P. (NYSE:NRP). NRP is a master limited partnership in which Foresight owns both limited partner and general partner interests.

HongHua Group Holding is one of the largest land rig manufacturers in the world, specializing in the research, design and production of onshore rigs ranging from 2,000m - 7,000m of drilling depth. In addition to manufacturing drilling rigs and rig parts / components (e.g., mud pumps, masts, substructures, drawworks, drive systems and solids control systems), the company offers drilling-related training and after-sales support services to its customers.

During the period of Carlyle's ownership, International Logging, Inc. provided well-site geological logging services for the exploration and development of oil and gas wells.

Kinder Morgan, Inc. is one of the largest energy transportation, storage and distribution companies in North America, with approximately 37,000 miles of pipelines and more than 165 terminals. KMI's assets include the general partner interests of Kinder Morgan Energy Partners, L.P. (NYSE: KMP).

Legend Natural Gas III, L.P. is a North American natural gas focused acquisition, development and exploitation company comprised of all the key managers from "Legend I" and "Legend II" and deploying the same strategy.

Moreno Group Holdings, LLC is an integrated energy service company comprised of five subsidiaries: Dynamic Industries; Arc Equipment Rental; Dii LLC; Southern Steel and Supply; and Dynamic Marine Services. Through these subsidiaries, Moreno provides infrastructure fabrication, equipment rentals and maintenance services to the energy industry. Moreno's primary customers include exploration and production companies, refining companies and industrial companies located in the Gulf of Mexico and abroad.

Niska Gas Storage is the largest independent natural gas storage company in North America. Niska operates 173 Bcf of working gas capacity at facilities located in key gas producing and consuming regions in the U.S. and Canada.

Permian Tank & Manufacturing, Inc. is a manufacturer of steel and fiberglass storage tanks, gun barrels, heater treaters, separators and related products for oil and gas producers.

Phoenix Exploration Company LP is an oil and gas focused exploration and acquisition/exploitation company with a focus in the shallow water Gulf of Mexico and Gulf Coast.

During the period of Carlyle's ownership, Red Technology Alliance, LLC was a partnership with Halliburton that invested in upstream oil and gas development projects that benefited from the products, services and technologies of Halliburton. RTA had an initial focus on the Rocky Mountain region and U.S. waters of the Gulf of Mexico.

Targe Energy LLC is an energy company that operates surface coal mines, reclaims coarse waste coal and coal fines, performs contract drilling services and acquires its own natural gas reserves.

Titan Specialties, Ltd. designs, manufactures and distributes perforating gun systems, shaped charges used in the perforating process, as well as instruments used for electronic well logging. Titan has a network of 21 owned and independent distribution centers throughout the U.S. and Canada, and its products are used throughout North America and globally by the oilfield services industry. Titan has over 295 employees and consists of three operating divisions located in two manufacturing facilities in Pampa, Texas and Milford, Texas.

Vantage Energy, LLC is a natural gas exploration, acquisition and development company with a focus in unconventional resources throughout onshore regions of the United States.