Advantek
ADVANTEK is an industry leader in all aspects of geomechanics and fracturing.

Advantek
Alinta*
ALINTA ENERGY is an Australian energy company with interests in power station assets that are diversified by geographic region, fuel type, customers, and operating mode.

Alinta*
Axip Energy Services
AXIP ENERGY SERVICES is a worldwide provider of natural gas handling equipment and services, including natural gas compression, processing, and treating.

Axip Energy Services
ChemEOR
ChemEOR is an innovative company focused on providing chemicals used in well stimulation and Enhanced Oil Recovery (EOR).

ChemEOR
CLEAResult
CLEARESULT is the largest provider of energy efficiency programs and services in North America.

CLEAResult
Concentric (formerly Inocucor)
CONCENTRIC (formerly Inocucor) produces high-performance specialty biological products that naturally improve crop yields and replenish soils.

Concentric (formerly Inocucor)
Copano*
COPANO ENERGY provides comprehensive services to natural gas producers. The company was acquired by Kinder Morgan in 2013.

Copano*
Discovery Midstream*
DISCOVERY MIDSTREAM is a Dallas-based provider of oil and natural gas gathering and natural gas processing services in the southern portion of Colorado’s Denver-Julesburg Basin.

Discovery Midstream*
Enlink Midstream
ENLINK MIDSTREAM owns and operates a portfolio of expansive gathering, processing, transportation, and logistics assets located in the most prolific oil and gas regions in North America.

Enlink Midstream
Fourth Partner Energy
FOURTH PARTNER ENERGY is India's leading distributed solar energy management company with complete in-house capabilities across design, engineering, construction, service, monitoring, and financing.

Fourth Partner Energy
Jonah Energy
JONAH ENERGY LLC was founded by TPG in 2014 to acquire natural gas properties in the Jonah Field of Wyoming from Encana Corporation. Jonah Energy’s asset base consists of mature, low-risk producing natural gas properties with significant current free cash flow and a robust inventory of remaining drilling locations.

Jonah Energy
MI Energy*
MI ENERGY engages in the exploration, development, and operation of oil and gas properties in the U.S., China, and internationally. The company was founded in 2001 and is based in China.

MI Energy*
Northern Tier Energy*
NORTHERN TIER ENERGY offers refining, retail, and pipeline operations in the U.S.

Northern Tier Energy*
Petro Harvester
PETRO HARVESTER OIL & GAS is a Plano-based oil exploration and production company focused on acquiring and operating oil and gas producing properties. The company's employees have a long history of executing transactions in the oil and gas sector as well as applying operational improvements to drive increased production.

Petro Harvester
ReGen Holdings
REGEN HOLDINGS LIMITED is building a strong presence in the UK organic waste and recycling industry through acquisition, the organic growth of its portfolio companies, and the establishment of new businesses.

ReGen Holdings
Solinftec
SOLINFTEC develops hardware, software, and mobile applications to support agricultural operations and is a leader in developing solutions for the sugar, ethanol, grain, and cotton markets.

Solinftec
Texas Genco*
TEXAS GENCO was a power generation company that was acquired by NRG Energy in 2005. NRG Energy operates as a wholesale power generation company in the U.S. NRG engages in the ownership, development, construction, and operation of power generation facilities; the transacting in and trading of fuel and transportation services; and the trading of energy, capacity and related products in the U.S.
