NGP is an active investor in:

Since 1988, NGP has invested in over 250 transactions throughout the energy industry. While our portfolio is comprised primarily of private enterprises, we disclose our involvement with companies that are publicly-listed or otherwise disclose our ownership to the public domain.

A Sample of Current Companies in NGP's Portfolio

Bluestone Logo

BlueStone Natural Resources Holdings, LLC

Acquisition and development of producing oil and gas properties, focused in South Texas.


Crimson Pipeline Company

The Company’s operating strategy is to acquire and develop midstream assets and pipeline infrastructure across North America. Crimson is focused primarily on acquiring assets from major oil companies in the crude oil gathering and transportation business.


Eagle Rock Holdings, LP

Acquisition and development of natural gas gathering systems and producing oil and gas properties.


Memorial Production Partners, LP

Memorial Production Partners, LP (“MEMP”) is an upstream Master Limited Partnership focused on the acquisition and exploitation of domestic oil and gas properties.  MEMP has a primary business objective to generate stable cash flows, allowing them to make quarterly cash distributions to its unitholders.


Petrus Resources Ltd.

Petrus Resources Ltd. is a private Canadian energy company focused on property exploitation, strategic acquisitions and risk-managed exploration in the Foothills and Peace River area of Alberta.


Resolute Holdings, L.L.C.

Acquisition and develpment of producing oil and gas properties, focused in the Western U.S.


Rice Energy

Rice Energy is a family-owned and operated independent oil and gas exploration and production company with operations in Pennsylvania’s Marcellus Shale. Rice is dedicated to being the most landowner-friendly, environmentally conscious and successful exploration company in the Marcellus Shale.


Samson Investment Company

Samson is a privately held exploration and production company headquartered in Tulsa, Oklahoma.  Samson has operations in some of the most important onshore basins in North America.


TEAK Midstream

TEAK Midstream is a Dallas-based midstream services company founded by industry veterans A. Chris Aulds and Jim Wales. The Company provides reliable midstream services in key natural gas producing regions, including gathering, transmission, treating, processing, compression, and price risk management.


Significant Former Portfolio Companies

NGP's investment in more than 160 companies has made us the preeminent investment franchise in the energy business. Our consistent and supportive approach has become the standard for the private equity industry in the energy space.

A few of our notable prior portfolio companies:


CRC-Evans manufactures equipment and supplies services to the pipeline industry. NGP completed the sale of CRC-Evans in July 2010.


Energy Transfer Equity, L.P.

Energy Transfer is engaged in the gathering and transportation of natural gas throughout the U.S. NGP was a founding investor and equity sponsor of Energy Transfer in 2002.


Ensco Plc.

Ensco Plc. is a global provider of offshore drilling services to the petroleum industry. In 1993, Ensco acquired NGP portfolio company Penrod Drilling. NGP continued to be a large stockholder of Ensco for many years thereafter.


Pioneer Natural Resources

Pioneer Natural Resources Company is a large independent exploration and production company with a large position in the Permian Basin. Pioneer Natural Resources Company was formed through the 1997 merger of NGP Portfolio Company, MESA Inc., and Parker & Parsley Petroleum Company.


Other select exited investments:

NGP was a founding equity sponsor of the following companies that became publicly-traded during NGP's time of ownership.

  • Encore Acquisition Company – North American acquisition and development company. NGP sold its stake in 2001. On November 2, 2009, Encore Acquisition Company was acquired by Denbury Resources.
  • HS Resources – Rocky Mountain acquisition and development company. NGP sold its stake in 1997. HS Resources was acquired by Kerr McGee on May 15, 2001.
  • Prize Energy – Texas acquisition and development company was acquired by Magnum Hunter Resources on March 12, 2002.
  • Titan Exploration – Texas acquisition and development company.  NGP sold its stake in 1999. On May 26, 2000, Titan Exploration merged with a unit of Unocal to form Pure Resources.
  • Western Oil Sands – Canadian oil sands company.  NGP sold its stake in 2001. On October 18, 2007, Western Oil Sands was acquired by Marathon Oil Company.