Great Lakes Castings LLC runs a gray iron foundry at 800 North Washington Avenue in Ludington, Mason County, Michigan. The foundry specializes in gray iron and ductile iron castings and includes an electric holding melting furnace.

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Overview

The plant is a gray iron foundry whose molten iron is produced in a cupola and stored in a holding furnace. The facility is restricted to melting no more than 20 tons of metal per hour and 6,050 tons per month.

Profile

Electricity and grid: The cupola unit includes an electric holding melting furnace. A trailer-mounted diesel emergency generator with a maximum rating of 1,232 horsepower provides power to critical metal holding furnaces during emergencies.

Ownership and site: The foundry sits on 26 acres and occupies 160,000 square feet. The Reserve Group was the buyer or investor in a July 2013 transaction for Great Lakes Castings.

Recent changes: EGLE approved a permit to install for Great Lakes Castings on October 14, 2026. The team implemented a Robotic Molding Cell backed by a $25,000 MEDC Implementation Grant.