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Donsco, Inc. is North America's leading single source provider of machined iron castings, and has been in continuous operation for more than 100 years.

From our home base in southeastern Pennsylvania, we operate two foundries which produce short run and longer running gray, ductile, and alloyed iron castings up to 150 pounds in both horizontally and vertically parted molds. Our Wrightsville campus also includes extensive in-house machining and patternmaking operations.

Superior quality castings. Delivered when you want them. Painted, machined or assembled. These are the advantages Donsco offers. No more sleepless nights wondering if your parts will be on-time. No more sweating questions from your customers. Let Donsco's team of foundry, machining and outsourcing experts handle your most difficult casting and logistical nightmares.

Do you have a great new idea for your customers?
Need a way to bring that idea to life?

Donsco’s Tooling Engineers can take you from your design to physical castings in an industry leading time-frame. Under pressure to reduce your number of suppliers? Donsco is uniquely suited to assist with our wide range of services and using our vertical integration approach. Let Donsco be your one phone call and one source of responsibility for all your casting needs.

Looking to minimize your internal processes?

Donsco has experience working with several key customers to integrate machining and minor assembly operations from their manufacturing facilities to ours. This has allowed our customers to further develop their core competencies, aiding in reduced manufacturing footprints, a focus on the finished product, and the opportunity to reduce inventories and increase production.