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ONEOK Partners, L.P. is a Tulsa, OK-based company in the Energy and Utilities sector.
Great Plains Locating Svc is a Topeka, KS-based company in the Energy and Utilities sector.
Dunn Energy Cooperative is a Menomonie, WI-based company in the Energy and Utilities sector.
Muth Electric Inc is a Mitchell, SD-based company in the Energy and Utilities sector.
Petrostar Petroleum Corporation (TSX-Venture: PEP ) is a publicly traded Canadian-based oil and gas producer/refiner committed to providing sustainable growth and value to the shareholders. The long term objective of the Company`s management is to aggressively seek lower risk properties with high potential that can be advanced with minimum expenditures. The policy of the Company is to lower shareholder`s risk exposure at various stages of exploration by entering into joint ventures with third parties or acquiring projects that it can operate as the sole owner-operator.