Canrig is the world's leading supplier of Drilling Equipment for the oil and gas drilling industry. Canrig has been an innovator since the company's inception. From the development of the first truly portable Top Drive System more than 15 years ago to one of the preeminent worldwide suppliers of both AC and DC Top Drives, Canrig has maintained its position as the leader in utilization of technology and engineering excellence in the drilling industry. The 1990's witnessed significant expansion in Canrig's product line. The company now offers top drives in 175, 275, 350, 500 and 750 ton capacities, in