Profile: Merit Gear Corp. manufactures custom precision gearing and gearboxes. We are accredited with ISO 9001:2000 certification. We also produce planetary, parallel shaft and right angle units. We have a full range of heat treat capabilities including carburize & hardening, quench & tempering, nitriding, carbonitriding, induction hardening, annealing and stress relieving. We also develop precision spur and helical gearing, as well as complete custom gearboxes. We make gearboxes that are used in rigorous applications in mining, water well drilling, oil field, fire trucks and azimuth drives for huge telescopes.