NGP Energy Capital Management's investment platforms include the Natural Gas Partners private equity fund complex, a family of funds with over $7.2 billion of total capital under management since inception. The funds invest private equity capital in oil and gas production, midstream and oilfield service companies and co-invest in direct oil and gas property interests alongside portfolio companies.

In addition, NGP Energy Capital Management oversees the activities of NGP Capital Resources Company (NASDAQ: "NGPC"), a $450 million publicly-traded business development company that focuses on providing senior debt and mezzanine capital to the energy industry.

NGP Energy Technology Partners is a $148 million fund investing growth equity capital in companies providing technology-related products and services to the oil and gas, power and alternative energy sectors.

NGP Midstream & Resources, L.P. is a $1.4 billion fund that makes direct investments in selected areas of the energy infrastructure and natural resources sectors, primarily targeting the midstream energy sector and all facets of the mining, minerals and related power sectors.