Formerly known as:
Impact Molding Shelbyville
Williams Plastics LLC
Williams Industries
Founded in 1945
Facility constructed in 1960
Injection molding since mid-1970s
Joined Thunderbird: 2014
A family-founded business in Shelbyville, Indiana, Thunderbird Molding – Shelbyville offers a diverse set of custom plastic injection molding capabilities. Skilled teams with more than 40 years of knowledge and experience in multiple industries manufacture both proprietary and custom injection-molded products, provide value-added assembly services, and digital and screen printing. Our facility's injection molding machines range from 150 to 950 tons.
Thanks to our decades of superior service, customers count on us for on-time delivery, loyalty, and expertise. We are proud of our local, tight-knit family work culture that translates to deep customer relationships and quick-response communications nationwide.
Formerly known as:
Impact Molding Shelbyville
Williams Plastics LLC
Williams Industries
Founded in 1945
Facility constructed in 1960
Injection molding since mid-1970s
Joined Thunderbird: 2014