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Grate Signs Inc is a Joliet, IL-based company in the Manufacturing sector.
Meaden Precision Machined Prod is a Burr Ridge, IL-based company in the Manufacturing sector.
Interstate Supplies and Services is a Matthews, NC-based company in the Manufacturing sector.
Angstrom Loudspeakers is a Markham, ON-based company in the Manufacturing sector.
We are the largest producer of gray, ductile, austempered ductile, and compacted graphite iron in the world, melting more than 9,500 tons a day. Our castings are produced using a vertical green sand molding process and created by a workforce that puts generations of iron casting expertise to work for our customers every day. Those customers trust Waupaca Foundry for high quality iron castings that are consistently the most durable, reliable, and innovative products on the market.