Sand Castings

From prototype castings to high volume production runs, from one casting to thousands, weighing from ounces to eight hundred pounds Trio Foundry can provide your Aluminum, Bronze, Brass, Copper and Zinc parts. Since 1906 we have produced a myriad of solutions to our customer’s needs.

Permanent Mold

In 2019 Trio Foundry purchased the assets and hired long time employees of F.K. Foundries after more than 80 successful years in business. This allowed Trio Foundry to enter the Permanent Mold market with skillful knowledge and state of the art Permanent Mold capabilities.

Cores

We are one of few foundries that sell cores to other foundries as well as core shops. Trio Foundry runs various styles of cores and has a wide variety of core machines including Shalco U360.

In House Machine Shop

Our CNC machining department can machine your part requirements for one piece or for many thousands. Sub assembly, heat treating, polishing, burnishing are provided with in house capabilities. In addition anodizing, painting, plating, and honing processes are subcontracted to our partners.

Quality

Our castings are produced from certified ingot. We provide x-ray and penetrant inspection, as well as chemical and physical certifications utilizing independent laboratory testing.