Don Doleshal In Texas

CSU has long been the premier diving contractor in the United States for all pipeline inspection, repair, and construction in an underwater environment.

In 1975, Don Doleshal founded an underwater marine contracting company named CSU that specialized in the inspection and repair of pipeline throughout the United States. Today, CSU has grown and employs the personnel and management to act as your general contractor or turnkey design build firm for all pipeline and general civil construction and repair in