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Sierra Research is a Sacramento, CA-based company in the Energy & Utilities sector.
We are an independent oil and natural gas acquisition, exploitation and exploration company. We are focused primarily in the Gulf of Mexico area, where we have developed significant technical expertise and where the high production rates associated with hydrocarbon deposits have historically provided us the best opportunity to achieve a rapid payback on our invested capital. We own working interests in approximately 77 fields in federal and state waters, and have interests in leases covering approximately 0.9 million acres. Our proved reserves at December 31, 2009 were 371 Bcfe, with a pre-tax PV-10 of $890.0 million (including plug and abandonment cost). Of those, 76% were proved developed reserves and 45% were natural gas reserves. We are headquartered in Houston, Texas and trade on the NYSE under the symbol "WTI".
Zonge GeoScience is a Denver, CO-based company in the Energy and Utilities sector.
Microelettrica - USA is a Randolph, NJ-based company in the Energy and Utilities sector.