Looking for a Maine foundry? Consider your search over. Patriot Foundry & Castings is a leading, New England-based nonferrous foundry that serves the entire Pine Tree State. We specialize in producing high-quality sand castings of bronze, aluminum and zinc-based alloys. Unlike other foundries, a large percentage of our castings contain multiple materials. We can handle jobs from 1 to thousands of pieces, and castings between 0.5 ounces and 232 pounds. At Patriot Foundry, we follow a set of rigid documented procedures and lead production methods. The results are consistent, repeatable and cost-effective. We also offer value-added services, including pattern design/production, heat treating, annealing, machining, powder coating, painting, anodizing and assembling. Unlike most foundries, a large percentage of our castings contain multiple materials. We melt ingots of A356, A357, 713, C876, C958, ZA12, ZA27, and many more. For a full list of alloys and detailed information on each, visit our page on alloy casting services. Our DUNS number is 826918117 and our CAGE Code is 54J41. Patriot Foundry & Castings is proud to be ISO 9001:2015 Certified. Patriot Foundry serves all of Maine, including the communities of Portland, Lewiston, Bangor, Auburn, South Portland, Augusta, Brunswick, Biddeford, Sanford, Waterville, Saco, Windham, Gorham, Orono, Presque Isle, Limestone, York, Bath, Lisbon, Caribou, Kittery, Brewer, Cape Elizabeth, Topsham, Skowegan, Old Town, Kennebunk, Winslow, Rockland, Yarmouth, Old Orchard Beach, Wells, Standish, Falmouth, Farmington and Rumford.