Unsurpassed Excellence in Design, Build and Precision Machining

Established in 1943, O. Keller Tool Engineering has grown to become one of the largest and most experienced machine shops in the Midwest.

With the most current and advanced design and manufacturing equipment, our highly skilled and accomplished personnel are proud to offer an assortment of diversified products which include the Design and Build of Precision Details, Work Holding Fixtures, Pallet Assemblies and Special Machines serving a variety of industries including Automotive, Aerospace and Military. O. Keller Tool Company is committed to providing our customers with a quality product in a timely and cost effective manner.

Precision Machining Capabilities

Milling
Boring
Turning
Grinding
EDM

Design/Build Services

Auto-Cad
Solid works
Unigraphics
NX
Autodesk
GibbsCAM
Mastercam

Turnkey Assembly

Pallets
Fixtures
Special Machines

Quality Control

CMM Inspection
ISO 9001 Certified

Industries Served

Automotive

Aerospace

Oil & Gas

Military

Major Customers

Let’s get started on your project.

Professional Organizations & Partnerships