Miki Pulley offers design solutions for a wide range of motion control applications. Our global network of manufacturing facilities and sales/distribution offices ensure prompt and reliable technical assistance in the U.S. and around the world. Miki Pulley collaborates with design engineers to identify the most cost effective solutions for motion control and mechatronic applications.


SDP/SI - Stock Drive Products/Sterling Instrument is a U.S.-based manufacturer of power transmission and motion control products, serving customers since 1950. The company specializes in precision gears, high-quality mechanical components, gearboxes, and the assembly of both mechanical and electromechanical subassemblies. SDP/SI is part of the Designatronics family of brands, offering a wide range of stock mechanical component options and customized solutions to meet diverse engineering needs.