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The Crestwood family of companies includes two publicly traded master limited partnerships, Crestwood Equity Partners LP (NYSE: CEQP) and Crestwood Midstream Partners LP (NYSE: CMLP). We own and operate midstream assets reaching across the energy value chain, serving producers and users of hydrocarbons in premier shale plays across the United States including the Marcellus Shale, Bakken Shale, Eagle Ford Shale, Permian Basin, Powder River Basin Niobrara Shale, Utica Shale, Barnett Shale, Fayetteville Shale and Haynesville Shale.
C E Oil Tools is a Lafayette, LA-based company in the Energy and Utilities sector.
Gran Tierra Energy Inc. is an international oil and gas exploration and production company headquartered in Calgary, Canada, incorporated and traded in the United States and operating in South America. The Company currently holds interests in producing and prospective properties in Colombia, Brazil and Peru. The Company strategy is focused on establishing a portfolio of drilling opportunities to exploit undeveloped reserves to grow production, as well as undertaking exploration drilling to grow future reserves.
Advantage Oil and Gas Ltd is a Calgary, AB-based company in the Energy and Utilities sector.