Plastics Engineering Company is a leading North American manufacturer of phenolic resins and thermoset molding materials, selling products under its trademark Plenco.

If you have a phenolic resin or thermoset molding material project, chances are, the Plenco team can make it work. We've been doing it for over 80 years.

Come and benefit from the Plenco difference.

Plastics Engineering Company, a family owned and managed business founded in 1934, established as its corporate mission a sincere desire to respond efficiently to the needs of our customers through development, manufacture, and servicing of useful, high-value products. Our mission is accomplished by an uncompromising adherence to customer requirements and safety in manufacturing, with consideration given to our environment and surrounding community, and with sensitivity to the needs of our employees.