Operating signal within 12 months from two or more independent sources.
What they make
Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing333612- worm set gears
- gearboxes
- contract machining
- heat treatment services
- engineering
- mining
- marine
- medical
NAMED ON THE COMPANY’S OWN WEBSITE, READ JUL 29, 2026
CERTIFICATIONS — LISTED ON THE COMPANY’S WEBSITE
- ISO 9001
Read from this company’s own website on August 9, 2026. Nobody at the facility has confirmed it here, and FactoryRegistry has not verified these — unlike operating status, which comes from independent public records. A certificate can lapse without the website changing, so ask the facility for current ones.
Where it is
Other plants nearby
| Facility | City | Industry | Status | Distance |
|---|---|---|---|---|
| Overton Gear CORP | Addison | Speed Changer, Industrial High-Speed Drive, and Gear Manufacturing 333612 | UNVERIFIED | 0.1 KM |
| 201 | Wood Dale | Turbine and Turbine Generator Set Units Manufacturing 333611 | LIKELY ACTIVE | 6.6 KM |
| Power Solutions International | Wood Dale | All Other Miscellaneous Fabricated Metal Product Manufacturing 332999 | UNVERIFIED | 6.7 KM |
| Power Solutions International | Itasca | Other Engine Equipment Manufacturing 333618 | LIKELY ACTIVE | 9.1 KM |
| Solar Turbines Incorporated Chicago District Office | Downers Grove | Turbine and Turbine Generator Set Units Manufacturing 333611 | LIKELY ACTIVE | 9.7 KM |
Also at this address
No other federal record shares this street address.
Where this record comes from
2 sources hold this plant, and 9 fields on this page come from them. Each line is one agency’s own record of it: the identifier it is filed under, whether that record shows the plant operating or only that it exists, and when the register first and last saw it there.
- The company’s own websiteOPERATINGfirst seen JUL 2026 · last seen OCT 2026
- SAM.gov entity registrationOPERATINGRecord QYZUGTWWLEW5 · first seen APR 2026 · last seen APR 2026
IN DUPAGE COUNTY20 other plants share this one’s industry (Engine, Turbine, and Power Transmission Equipment Manufacturing, NAICS 3336); 8 of them have a size band on record.
What each source says
Every field below, as each source filed it. The value this page shows is marked; where the sources disagree, the field says so. Status is computed from independent sources; nothing here is self-reported unless marked Claimed.
- Name
- SAM.gov: OVERTON CHICAGO GEAR, LLC · APR 2026
- Street address
- SAM.gov: 530 S WESTGATE ST · APR 2026
- City
- SAM.gov: ADDISON · APR 2026
- State
- SAM.gov: IL · APR 2026
- Coordinates
- Census geocoder: 41.916932919352,-87.993588827847 · JUL 2026
- Website
- SAM.gov: www.oc-gear.com · APR 2026
- Year established
- Company website: 1888 · AUG 2026
- CAGE code
- SAM.gov: 181S9 · APR 2026
- SAM registration expires
- SAM.gov: 2027-04-14 · APR 2026