About Forest City Gear

Forest City Gear is a precision gear manufacturer based in Roscoe, Illinois, specializing in high-quality custom gears for demanding applications and industries worldwide. For more than six decades, we have expanded our engineering knowledge, manufacturing capabilities, inspection technology, and workforce to solve challenging gear manufacturing problems.

Our capabilities include CNC gear hobbing, carbide re-hobbing, gear shaping, gear grinding, thread grinding, CNC machining, gear inspection, engineering services, high-volume gear production, and Cut Teeth Only services—also known as operational work. We manufacture fine- and medium-pitch gears for applications where precision, reliability, and consistent performance matter.

Forest City Gear manufactures custom precision gears and provides specialized gear manufacturing services for customers in aerospace, orbital and outer space, defense, medical and dental, transportation, robotics, off-highway equipment, food and packaging, and other demanding industries.

Our gears have been used in applications ranging from aircraft, telescopes, tractors, race cars, and power tools to medical equipment, dental instruments, military systems, and space exploration equipment. Forest City Gear-manufactured components have even supported equipment aboard the International Space Station and Mars exploration rovers.

Whether the requirement involves a difficult geometry, demanding quality standard, challenging material, or an application where gear performance is mission-critical, our team combines manufacturing expertise with advanced equipment and inspection capabilities to help customers achieve extraordinary results.

Quality is integrated throughout Forest City Gear’s manufacturing process, from incoming blanks and tooling through gear cutting, finishing, inspection, and final packaging.

Our Roscoe, Illinois, facility is equipped with advanced gear manufacturing and inspection technology from leading machine tool manufacturers in the United States, Germany, Italy, Switzerland, and elsewhere. Forest City Gear has historically reinvested a significant portion of annual revenue into manufacturing technology, equipment, and capabilities to keep our operation at the forefront of precision gear manufacturing.

Forest City Gear maintains ISO 9001, AS9100, and ISO 13485 certifications and is ITAR registered, supporting customers with demanding quality, traceability, and compliance requirements.

Advanced equipment is only as capable as the people operating it.

Forest City Gear invests heavily in developing skilled gear manufacturing professionals. We support internships for high school and college students, workforce development programs, industry training, and continuing technical education.

That commitment helps preserve something increasingly valuable in precision manufacturing: practical gear knowledge developed through training, technology, experience, and a genuine curiosity about how to make gears better.

Around here, being a gear nerd is very much a compliment.

Some gears are straightforward. Others are the reason engineers start sending emails with phrases like, “We have an interesting one for you.”

Those are conversations we enjoy.

Forest City Gear works with engineers, OEMs, and other manufacturers to produce specialized gears for applications where accuracy, reliability, and manufacturing expertise are critical. From prototypes and specialized production to higher-volume programs, our goal is the same: understand the application, control the process, inspect the result, and manufacture gears that perform as intended.

Looking for a precision gear manufacturing partner? Explore our gear manufacturing capabilities, review our machinery and inspection resources, or contact Forest City Gear to discuss your application.