Waupaca Foundry Plant 4 in Marinette, Wisconsin, has been recognized with the 2024 General Motors Supplier Quality Excellence Award (SQEA), marking the third time the company has received this prestigious honor, following recognition in 2018 and 2023.  

The SQEA recognizes GM’s top-performing manufacturing suppliers that meet or exceed rigorous criteria for quality, reliability, and operational excellence. To qualify, suppliers must demonstrate zero defects, 100% on-time delivery, and full compliance with GM’s production standards.

Plant 4 produces ductile iron castings used in automotive engines, suspensions, braking systems, and drivelines across multiple GM platforms in North America.