Mainstream Commercial Divers, Inc. (MCDI) is located in Murray, KY and provides commercial diving services nationwide, including underwater inspection, construction, maintenance, repair, salvage operations, and environmental surveys. MCDI recently expanded their facilities with a new building for additional equipment, training, and classrooms. Some of their services include intake and outfall inspection and maintenance, pipeline inspection and cleaning, confined space entry, lock and dam inspection and repair, and bridge inspection.