Frentzel Products is a Complete Single Responsibility Machining and Manufacturing service. From purchasing raw stock, performing all machining operations, welding, heat treating and plating, to final assembly of components ready for packaging.


Our expertise is in all turning operations. We are continually upgrading our machinery and facilities to produce top quality parts.

Frentzel Products: A Complete Single Responsibility Machining and Manufacturing Service Facility

Frentzel Products is a 3rd generation, Sussex, WI, based precision machining job shop. Through our vertical, horizontal and lathe CNC machining centers we can meet the toughest machining tolerances. Our proven track record demonstrates our competitiveness and customer focused mind set.


  • Horizontal Turning Center
  • Vertical Machining Center
  • Special Turning Center


  • Parts Washing
  • Plating
  • Painting
  • Anodizing
  • Grinding
  • Heat Treating
  • Material Sourcing