Our service department, now operated and managed by Dave Crighton, is fully equipped with the latest in testing and calibration equipment to ensure complete customer satisfaction. On Grade Inc. is dedicated to consistently providing you with experienced, reliable, and quality service at affordable prices. We provide service for Topcon GPS equipment (Hiper Ga, Hiper Lite +, Hiper + etc), as well as Topcon/Sokkia total stations, electronic transits, lasers, and levels. We also service and calibrate a wide variety of other makes of instruments and accessories. Our large inventory of new and re-conditioned parts enables us to provide our customers with a quick turn-around. more... See more text