Insights

High-precision gear OEM Overton Chicago Gear (OCG) specializes in large, high-precision gears and gearboxes for harsh operating environments across oil and gas, minerals and mining, rail, renewable energy, power generation, and infrastructure—a broad base ripe for cross-selling upgraded gear solutions and maintenance services.

Heavy-duty market focus With customers requiring durable, mission-critical components, there is opportunity to propose performance enhancements, extended service life, and predictive maintenance programs that reduce downtime in severe applications.

Expansion and capabilities Three manufacturing facilities in the Chicago area and a history dating to 1888 indicate scale and depth of capability; sales efforts can emphasize turnkey projects, custom gear profiles (herringbone, bevel, helical, spur, double enveloping worm) and gearbox solutions for complex requirements.

Strategic ownership alignment HDAM’s goal to build a $1B family of engineered products within five years signals potential for partnership, integration of lean manufacturing and faster lead times, and coordinated enterprise deals that leverage HDAM’s network and capital.

Mid-market revenue fit OCG’s revenue range ($50M–$100M) and headcount (51–200) align with mid-market buyers; target procurement and engineering leaders with value propositions around total cost of ownership, reliability, and serviceability of custom gear solutions.

Overton Chicago Gear Tech Stack

Overton Chicago Gear uses 8 technology products and services including WordPress, Open Graph, Pipedrive, and more. Explore Overton Chicago Gear's tech stack below.

  • WordPress
    Content Management System
  • Open Graph
    Content Management System
  • Pipedrive
    Customer Relationship Management
  • Floating UI
    Javascript Libraries
  • jQuery Migrate
    Javascript Libraries
  • reCAPTCHA
    Security
  • Contact Form 7
    Web Platform Extensions
  • MailChimp for WordPress
    Web Platform Extensions

Media & News

Overton Chicago Gear's Email Address Formats

Overton Chicago Gear uses at least 1 format(s):
Overton Chicago Gear Email FormatsExamplePercentage
FLast@oc-gear.comJDoe@oc-gear.com
95%
Last@oc-gear.comDoe@oc-gear.com
2%
First@oc-gear.comJohn@oc-gear.com
2%
First.Last@oc-gear.comJohn.Doe@oc-gear.com
1%

Frequently Asked Questions

Where is Overton Chicago Gear's headquarters located?

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Overton Chicago Gear's main headquarters is located at 530 South Westgate Street Addison, Illinois 60101 United States. The company has employees across 1 continents, including North America.

What is Overton Chicago Gear's phone number?

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You can contact Overton Chicago Gear's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Overton Chicago Gear's official website and social media links?

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Overton Chicago Gear's official website is oc-gear.com and has social profiles on LinkedIn.

What is Overton Chicago Gear's NAICS code?

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Overton Chicago Gear's NAICS code is 333 - Machinery Manufacturing.

How many employees does Overton Chicago Gear have currently?

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As of June 2026, Overton Chicago Gear has approximately 68 employees across 1 continents, including North America. Key team members include Director: B. B.Operations Manager: J. A. T. O.General Manager: M. M.. Explore Overton Chicago Gear's employee directory with LeadIQ.

What industry does Overton Chicago Gear belong to?

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Overton Chicago Gear operates in the Machinery Manufacturing industry.

What technology does Overton Chicago Gear use?

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Overton Chicago Gear's tech stack includes WordPressOpen GraphPipedriveFloating UIjQuery MigratereCAPTCHAContact Form 7MailChimp for WordPress.

What is Overton Chicago Gear's email format?

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Overton Chicago Gear's email format typically follows the pattern of FLast@oc-gear.com. Find more Overton Chicago Gear email formats with LeadIQ.

When was Overton Chicago Gear founded?

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Overton Chicago Gear was founded in 1888.
Overton Chicago Gear logo

Overton Chicago Gear

Machinery ManufacturingIllinois, United States51-200 Employees

Overton Chicago Gear (OCG) is a machinery manufacturer based in Addison, Illinois, with roots dating to 1888. It produces large, high-precision gears and gearboxes for demanding applications across oil and gas, minerals and mining, rail, renewable energy, power generation, and infrastructure. OCG offers custom gears across profiles such as herringbone, bevel, helical, spur, and double enveloping worm, together with assembled gearboxes, and operates three manufacturing facilities in the Chicago area. The company serves customers that require reliable, durable gearing for mission-critical equipment, supported by a mid-sized workforce. In 2012, OCG was acquired by H-D Advanced Manufacturing Company of the Pittsburgh area.

Section iconCompany Overview

Headquarters
530 South Westgate Street Addison, Illinois 60101 United States
Phone number
NAICS Code
333 - Machinery Manufacturing
Founded
1888
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $50M$100M

    Overton Chicago Gear's revenue is estimated to be in the range of $50M$100M

Section iconFunding & Financials

  • $50M$100M

    Overton Chicago Gear's revenue is estimated to be in the range of $50M$100M

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