Alabaster, AL • Lancaster, SC • Milwaukee, WI

We Focus on Cores…So You Can Focus on Castings

Supreme Cores is one of the country’s original “core shops,”  serving as a “Friend to the Foundry Industry” since 1978.

1978

Warren Grossmann started Supreme Cores in Janesville, Wisconsin and later relocated to Milwaukee. It was one of the country’s original “core shops”.

1995

Supreme Cores opened a second location in Lancaster, South Carolina.

2010

Supreme Cores opened a third location in Alabaster, Alabama.

2019

Current ownership acquired South Carolina and Alabama locations.

2022

Current ownership acquired Milwaukee, Wisconsin location, reuniting all three locations under the same ownership.

OUR MISSION:
QUALITY CORES

Supreme Cores is committed to working with our customers to provide cores/molds at a mutually agreed upon price with on-time delivery, at a level of service and quality that enhances the customers ability to sell the highest quality castings. Our customers appreciate the “Supreme” experience and relationship that you will not find with another vendor.
We understand that to be successful means working hard with mind and body to achieve the goals set forth for the benefit of our customers, our employees and our community.