Rosti Wisconsin

Rosti Wisconsin has a prominent and progressive 32-year history in business, serving OEMs in the U.S. and beyond. Over the years, the Wisconsin locations have grown to include two state-of-the-art manufacturing facilities and a distribution centre, all located in Germantown, Wisconsin, totalling over 78,000 square feet.

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Rick Riesterer

North America Director of Sales and Marketing


Our capabilities

With shipments of over 25,000,000 parts per month to customers worldwide, the manufacturing facilities of Rosti Wisconsin are recognized as the most revolutionary of their kind. 

The facilities encompass new technologies in automated insert molding as well as automated layer packing of highly engineered components. Advanced injection molding presses and part conveyance systems, a central material handling system that allows parts to be produced with no direct labor, five and six ton cranes, and additional capabilities offering two-shot molding all within a captive cell – make up the innovative capabilities of Rosti Wisconsin.

With 75 fully-automated molding cells (35-500 ton), the Wisconsin facilities align the highest level of skilled engineers and technicians with patented, fully-automated and revolutionary lights-out manufacturing processes.

Our services

Known as a North American leader in design for manufacturing (DFM), the Wisconsin facilities continue to elevate the resources available to help engineers provide support in the areas of plastic part design, prototyping, injection mold design, and mold simulation validation. With SOLIDWORKS Plastics Premium predictive II simulation software (mold fill simulation) and RJG eDart process control systems, the Wisconsin engineering team has the ability to provide additional predictive insight into component design in the early stages, reducing overall time to market.

As a full plastic injection molding service provider, Rosti Wisconsin takes a data-driven scientific molding approach to material selection, part design optimization, tool design optimization, tool transfer services, metal to plastic conversion, and much more.

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Facts & figures



  • ISO 9001:2015
  • ISO 13485


Rosti Midwest
N116 W18271 Morse Drive
Germantown, WI 53022