Your Mold Manufacturing Partner
We are Our Customers’ Competitive Advantage
MSI Mold Builders is a U.S.-based manufacturer of steel and aluminum molds for plastic processing. With more than 50 years of experience and proven processes, the company delivers best-in-class solutions with shorter lead time and lower total cost of ownership.
Our solutions, experience and range of mold manufacturing capabilities help customers make better products.
What Sets Us Apart
Two U.S. Locations
Iowa and South Carolina
Investment in People, Process and Technology
Focus on Our Customers’ Individual Needs
Need a Partner Committed to Your Success?
Contact us today!
Discover how MSI Mold Builders uses a team-driven approach to design and build steel and aluminum molds for plastic processing.
MSI is ready to become your competitive advantage. Schedule a meeting to discuss how we can collaborate on a solution to help drive your company’s success.
Case Studies and resources
Developing a Complex Structural Foam Mold from Scratch
Learn how MSI partnered with PV Pallet to increase the sustainability of the solar industry with reusable pallets.
Is Structural Foam Molding Right for You?
Depending on the plastic part you are producing, structural foam may offer benefits that you have not considered.
Why You should build molds in the U.S.
There are many benefits to building mold domestically, including strengthening the country’s industrial base.