| Name | Title | Contact Details |
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O'Brien Industrial Holdings is a Saint Louis, MO-based company in the Energy and Utilities sector.
We leverage the expertise of a group of PCC companies to develop new alloys and processes which enhance production methods within the energy industry.
River Valley Energy Services Corporation is a Grimshaw, AB-based company in the Energy & Utilities sector.
McElvain Energy is a Denver, CO-based company in the Energy and Utilities sector.
TSS is a leading provider of sand and proppant logistics to major oil and gas companies. They offer source to site proppant procurement, logistics, and wellsite services, all enabled by their proprietary software solution, SandDrive.