About Jer-Den Plastics Rotational Molding Company
Jer-Den Plastics designs, develops and manufactures rotationally molded plastic products for a diverse array of applications in the commercial, construction, agricultural, industrial, materials handling, marine, recreational vehicle and toy manufacturing industries.
When our business started in 1995, we recognized the potential of rotational molding to produce reliable, low-cost plastic products. Today, Jer-Den Plastics, with its state-of-the-art technology and expert processing staff, is a leader in the rotational molding industry.

Jer-Den Plastics operates four (4) arm rotational molding machines, providing the necessary molding capacity for an efficient turn-around time, regardless of an order’s size. Our company also offers a host of secondary in-house services including routing, flame treating, foam filling, spin welding and hardware installation.
Expert US Plastic Rotational Molding Company
Located on a 6.5-acre site in St. Louis, Michigan, Jer-Den Plastics has the experienced design, engineering and operations staff to create intricate rotational molded plastic parts. And, our central location in the Midwest – with convenient Interstate access – enables us to provide the fastest, most efficient plastic product delivery and distribution, at the lowest freight costs, throughout the country.
Our state-of-the-art equipment – and our years of rotational molding experience – ensure that your plastic parts will always be manufactured to your exact specifications. We confidently guarantee the highest quality of rotational molding plastic products – at the best prices.















