| Name | Title | Contact Details |
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Deprisco Engineering Co is a Bartlesville, OK-based company in the Energy and Utilities sector.
Spectrum Geo is a Houston, TX-based company in the Energy and Utilities sector.
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.
Double Eagle Petroleum Co. is a Denver, CO-based company in the Energy and Utilities sector.
Walter Oil and Gas Corp. is a Houston, TX-based company in the Energy and Utilities sector.