Stock Drive Products/Sterling Instrument is a full-service manufacturer of electromechanical components and assemblies. It includes manufacturing, sales, marketing, production and support personnel, as well as engineering and design staff members. The firm has achieved an ISO 9001:2000 certification from the International Organization for Standardization. Stock Drive Products/Sterling Instrument maintains an inventory of more than 95,000 components. The firm serves the instrument, electronics, laser, missile, medical, aircraft and computer industries, as well as other related applications. Its product line includes gears, pulleys, brakes, collars, chains and motors. Stock Drive Products/Sterling Instrument offers cutting, turning, milling, molding, stocking and shipping services. Additionally, the firm s divisions include Advanced Antivibration Components, All Metric Small Parts and Quality Transmission Components.