| Name | Title | Contact Details |
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Official account for the Western States Petroleum Association, representing oil and energy companies that fuel CA, AZ, NV, WA & OR.
Seneca Resources Corporation, the exploration and production segment of National Fuel Gas Company, headquartered in Houston, Texas, explores for, develops and produces natural gas and oil reserves in California, Kansas and the Appalachian Region including the Marcellus and Utica Shales.
Stevens Drilling Envmtl Svcs is a Maple Plain, MN-based company in the Energy and Utilities sector.
Castle Oil Corporation is a Harrison, NY-based company in the Energy and Utilities sector.
Van Deurzen Associates PA is a Overland Park, KS-based company in the Energy and Utilities sector.