Plasticoid Home Page At Plasticoid, we specialize in custom molded rubber components. We manufacture custom rubber parts and maintain in-stock components using Compression, Transfer and Injeciton Molding to specification with product design and prototyping capabilities. We are the place on the web for all your rubber component needs! Plasticoid offers high-quality rubber products servicing the Medical , Industrial , Pharmaceutical and Diagnostic Industries. With over 50 years experience, The Plasticoid Company is your first and only choice for quality rubber components. Why choose anyone else?