Ohio's Premier CDL, Heavy Equipment, and Oilfield, and Pipeline Training Facility Great Lakes Truck Driving School is an accredited and award winning school. It is one of the few training facilities in the nation to offer professional driving, heavy equipment operation, and oil & gas industry training all in one location. Great Lakes Truck Driving School offers courses in: Class A CDL, Class B CDL, Upgrade, and Refresher Courses NCCER Approved Heavy Equipment Courses IADC Accredited to provide RIG PASS / SafeLandUSA Training OSHA, First Aid, & Rigging