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West Penn Oil Co Inc is a Warren, PA-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.
Energy Partners, Ltd. is a New Orleans, LA-based company in the Energy and Utilities sector.
Alta Mesa is an independent oil & gas exploration & production company. We create value overlooked by others in oil & gas fields and prospective areas. We do this in a safe, environmentally-sound and profitable manner. We apply a disciplined, focused approach to exploration and exploitation. Our key asset areas are Sooner Trend, Oklahoma; Deep Bossier, East Texas; Yegua & Wilcox trends, Southeast Texas; Southwest Louisiana; and South Texas.