
Precision forging of straight bevel differential gears, helical gears, diff lock clutches and other powertrain parts all fully machined to customer specifications. Precision forged bevel teeth require no other machining on the tooth profile and we are capable of forging to as low DIN 7 and its AGMA equivalent.

DieQua Corp. provides more than just gearboxes; we provide the engineering partnership needed to optimize complex machine designs. Specializing in high-precision motion control—from servo planetary reducers to complete screw jack lifting systems—we lead with a consultative approach to solve your unique torque, speed, and positioning challenges
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.