| Name | Title | Contact Details |
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Northwest Propane Gas Co is a Dallas, TX-based company in the Energy and Utilities sector.
Hydril is a Houston, TX-based company in the Energy and Utilities sector.
Mid Continent Well Logging is a company that provides mud logging and formation evaluation services to the oil and gas industry.
Geophysical Development Corporation is a Houston, TX-based company in the Energy and Utilities sector.
Wynn Oil Company is a Azusa, CA-based company in the Energy and Utilities sector.