| Name | Title | Contact Details |
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Jaco Oil Company is a management company the provides support for a variety of operating companies in several different industries. The Company is privately owned and focused on the management of companies owned by the family.
Virginia Gas Co is a Abingdon, VA-based company in the Energy and Utilities sector.
Marathon Oil Corporation (NYSE: MRO) is an integrated international energy company engaged in exploration and production, oil sands mining, integrated gas, and refining, marketing and transportation.
DDX Corp is a Englewood, CO-based company in the Energy & Utilities sector.
Kolkhorst Petroleum Company is a Navasota, TX-based company in the Energy & Utilities sector.