Worldwide Leader in Emerging Abrasive Technology For any grinding projects, Okamoto is the most diverse grinding company in the world. Okamoto offers variety of capabilities in internal, cylindrical, surface (manual or automatic), rotary, and gear grinding along with other specialty grinding machines. Okamoto also specializes in manufacturing machines which process material for the semiconductor industry. Providing long-standing products that run consistently with repeat-ability and accuracy. From precise tool-room applications to challenging high-production runs, Okamoto has the highest-quality grinding machines for more applications than any other competitor. Contact any of our facilities in Vernon Hills, IL, Santa Fe Springs, CA, Louisville, KY, and Windsor, CT.