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Fieldwood Energy LLC is a portfolio company of Riverstone Holdings LLC. Our primary focus is to acquire and develop oil and gas assets in the Gulf of Mexico. As the largest operator on the Gulf of Mexico Shelf, Fieldwood Energy owns an interest in approximately 500 leases covering over 2 million gross acres.
Solix Biofuels, Inc., based in Fort Collins, Colo., is an alternative energy production technology company with emphasis on supplying scalable photo-bioreactors that will enable the global production of biofuels using microalgae as a feedstock.
SeaOne Maritime Gas Solutions is a Houston, TX-based company in the Energy and Utilities sector.
Sullivan Solar Power is a San Diego, CA-based company in the Energy and Utilities sector.
Onyx is a renewable energy development company established by funds managed by Blackstone Energy Partners that is focused on greenfield development in the North American solar and wind sectors.