O'Brien Gear Company
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Welcome to O'Brien Gear Company


Call the Pros from Highland Park

For high quality, large diameter, deep-cut gears and splines in any material and any quantity, call the pros from Highland Park today.

Gear and Spline Shaping
Gear Cutting and Hobbing

  • Broaching
  • Grinding
  • Shaving w/Crowning
  • Slotting
  • Thread Milling
  • Turning

Also, Cluster gears, spiral gears, face gears, ratchets and serrations.

2396 Skokie Valley Rd. | Highland Park, Illinois 60035-1735 | Phone: 847-433-3580 | Fax: 847-433-7825