Protomatic Inc.

Protomatic, Inc. is a CNC precision machine shop specializing in CNC precision machining as well as prototype and short-run production. We are capable of 3, 4, and 5-axis CNC machining, laser engraving, engineering services, and many other technical processes which set us apart from the typical run-of-the-mill CNC precision job shop with which you may be more familiar. We offer design support for your prototyping applications or manufacturing for your precision milling and multi-axis turning applications. Protomatic manufactures components and assemblies for a variety of industries, focusing mainly on medical and aerospace applications.


In February 1971, William Wetzel founded Protomatic as a high-quality prototype and short-run production machining operation. The company is located in a 30,500 square foot facility in Dexter, Michigan - west of Ann Arbor. With well over three decades of operation and hundreds of years of combined experience in materials, Protomatic excels in engineering, More... CNC milling, CNC Turning, with manufacturing and assembly of custom OEM parts and products.


 One of the most discerning characteristics of Protomatic in comparison to our competitors is our familiarity with a vast range of materials. We work with rubbers, metals, and plastics, of course, but our experience with the engineering of elemental materials and superalloys sets us apart from the competition.


 Through our facilities, diverse capabilities, vast equipment resources, and conservative, steadfast business practices, we at Protomatic have been able to supply fast, efficient service to countless satisfied customers for over four decades. We have become a leading contract manufacturer of CNC precision machining components, high-precision prototypes, and short-run machine components and assembly. Our standards of quality are ensured through a complete process of testing and state-of-the-art quality inspection.


 Protomatic has a highly qualified and experienced team of employees who are committed to on-time delivery of high quality parts at competitive pricing. High standards are ensured through a complete process of testing and state-of-the-art quality inspection. Protomatic is an ISO 9001:2008 registered company and is compliant with AS 9100C, ISO 13485:2003, DFARS, and ITAR export licensed.

Supreme Gear

Manufacturer of precision machined parts and assemblies specializing in gear boxes, pumps, assemblies, (cylinder, seal and housing), gears (spur, helical, bevel, pump and worm), spline shafts, couplings, sprockets,output flanges, and general machined parts for the aerospace, defense, automotive, commercial and marine industries.

Gaishin Manufacturing

Bradhart Products, Inc.

In 2014 Bradhart Products shipped over 2,100,000 component parts. In the last 3 years we have produced over 800 different part configurations.


While accomplishing those things, we maintained a 99.9% defect free quality record as well as a 99.1% on-time delivery rate. You can visit our website to view the charts which show these performance statistics.


Today, Information Technology plays a vital role in assisting a CNC machining company in meeting customer requirements. Bradhart Products integrates the most advanced information technologies available into our processes, which allow us to:


 -Streamline our manufacturing-intensive processes that are typically required for precision machined components


 -Create efficient processes by providing faster problem resolution for shorter concept to completion time


 -Implement better ways to control throughput, saving our customers time and money


Call us today and see how we can assist you in reaching your manufacturing objectives!

TG Manufacturing

Preferred Quality Services, Inc.

Advance CNC Machining

Advanced EMC Technologies

Innovation in new materials development, polymer sealing and bearing geometries, and manufacturing processes are among the services we provide to offer our customers improved solutions to the toughest engineering problems.


Our delivery is consistent, accurate, on time, and on budget.


That's our philosophy at Advanced EMC Technologies. We provide quality products to meet your budget and service expectations with a variety of processing technologies in molding, extrusion, and complete fabrication capabilities, from providing energized PTFE seals to Polyimide bearings to implantable polymer medical devices. We strive for the highest quality, unparalleled service, and meeting a customer's toughest challenges.

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Suppliers with ISO 9001 Certification for Medical Equipment

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