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Petroleum Development Corporation is a Denver, CO-based company in the Energy & Utilities sector.
Harper Oil Co. is a Springfield, IL-based company in the Energy & Utilities sector.
Wunderlich-Malec, Inc. is one of the leading companies in the Energy & Utilities sector.
MPLX is a diversified, growth-oriented master limited partnership formed in 2012 by Marathon Petroleum Corporation to own, operate, develop and acquire midstream energy infrastructure assets.
Berens Energy Ltd. is a Edmonton, AB-based company in the Energy & Utilities sector.