American Precision Gear Co., Inc. has been crafting precision gears, custom gears, and custom gear products since 1956. The plant (22,000 square feet) is strategically located at the top of Silicon Valley in Foster City, California and serves the needs of a variety of traditional industrial and emerging high-tech industries that require precision gears including medical device gears, military gears, instrumentation gears, aerospace gears, semi-conductor gears, and robotics gears.

Our core competency is the quality and precision of our work. Major corporations appreciate our extremely high quality rating, (close to 100% as rated in ppm) which is rare in a precision craft. This extends from APG's exacting procedures utilizing statistical process controls through the entire fabrication process, from material delivery to final product packaging and shipment. Additionally, the APG team realizes the need to supply our customers with on-time deliveries. We strive for 100% ratings.

APG manufactures custom spur gears (both external and internal), custom helical gears and double helical gears, worm and worm gears, face gears, bevel gears, rack and pinion gears, sprockets, cluster gears, anti backlash gears, splines and serrations, segmented gears, pump gears, and gear pulleys from .05" to 48" and from 2 D.P. to 250+ D.P.