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Pep Manufacturing, Inc.


Pep Manufacturing is representative of the great tradition which is the backbone of US economy, a family owned business. Pep Manufacturing is a CNC job, production and prototype shop located in Mentor, Ohio owned by Diane Pepka. Her husband Joe Pepka, Sr. serves a vice president and oversees the production and CNC programming. It is Joe and Diane family that keeps the business going.

Pep Manufacturing has been serving its customers with quality machining since 1997. It began with one machine but has grown over the years into a state of the art CNC machining center.

Modern CNC systems are all inclusive in their ability to provide highly automated end to end component manufacturing from design using computer-aided design (CAD) to production using computer-aided manufacturing (CAM) programs.  Pep Manufacturing uses GibbsCAM software to run their DMG/Mori Seiki machine tools which include CNC lathes, vertical machining centers, 5axis turning and robot fed turning lathes and support equipment.

These tools help Pep Manufacturing meet the ISO 9001:2008 quality management standards. However, it is their strong focus on attentive customer service that has built it business.

 Pep has earned a reputation for delivering personalized attention to each customer.

 It is about getting the job done on time, getting it right and being willing to adapt to the customer’s needs that keeps Pep Manufacturing customers returning. 

 Pep Manufacturing has grown thanks to its customer support and its commitment to meet their demands in an ever changing manufacturing world.

State of the Art Production Capibilities


State of the art GibbsCAM® software




Joe and Diane love cars. That is why Pep Manufacturing takes pride in producing top quality custom aftermarket automotive parts. From LS Valve Covers to the Hemi Intake Manifold that Joe and Diane are holding. The key word is quality. To see more photos click here.