Our facilities are conveniently located in the Muskego Business Park, equipped with the most advanced, high quality, high performance machinery capable of producing the highest quality machined parts.

The GPG team boasts over 100 years of precision machining experience and has earned a myriad of performance and quality awards from some of the top OEM’s in the industry.

At GPG, we understand that every customer has unique needs and we take pride in providing top quality and service on every project, no matter the size.

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S84W19120 Enterprise Drive
Muskego, WI 53150
United States of America


Phone: 262-679-9411
Fax: 262-679-6460