CORNERSTONE

Cornerstone is based in Willis, Texas, about an hour north of Houston. We have recent experience on NGL transmission lines and natural gas gathering lines in East Texas, South Texas, West Texas, Louisiana, Utah, Colorado, east Ohio, and West Virginia. We employ personnel who have a positive reputation in the industry based upon their character, work ethic, and team player ability as well as for their knowledge and experience... Every service we provide to you, the pipeline owner, is performed by our people as if your pipeline were our very own. Our name reflects not just our attitudes but the very culture of our company. Cornerstone is defined as "something that is essential, indispensable, or basic; the foundation on which something is constructed". Two definitions of integrity apply here... Cornerstone Integrity Assurance is a small, privately held corporation specializing in pipeline construction management services. We currently provide the following services -

Also known as: Cornerstone Integrity Assurance