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Overton Chicago Gear, LLC

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www.oc-gear.com
Homepage of Overton Chicago Gear, LLC
Their homepage, crawled AUG 1, 2026
At a glance
EmployeesNot reported
In business since1888
HeadquartersAddison, IL
SAM.gov UEIQYZUGTWWLEW5
LISTED ON FACTORYREGISTRY67%SOURCE COVERAGE

Overton Chicago Gear manufactures gears and gearboxes, including straight, skewed, and spiral bevel gears; spur, helical, and rack gears; herringbone and double helical gears; and worm set gears. The company provides contract machining and contract heat treatment services, and offers engineering services including reverse engineering and gearbox rebuilds and upgrades. It serves the oil and gas, fracturing, mining, marine, wind energy, cement processing, locomotion, metal processing, defense, medical, paper and pulp, and power generation industries.

Summarized from the company’s own website

Certifications

ISO 9001

Their plant

FacilityCityStateEmployeesStatus
Overton Chicago Gear, LLCAddisonIL ACTIVE

Compiled from federal records — EPA, OSHA, SAM.gov and the U.S. Census — and from the company’s own website. Federal source data is public domain. Each plant’s page names the source of every field.