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Polymer Molding Inc. (PMI), founded in 1978 as an injection molder and tool builder, is a manufacturer of plastic protective caps, plugs and custom moldings. Based in Erie, Pa., the company offers a host of products in the lines of plugs, caps, tubing inserts, vinyl, netting and cable ties among others. It is capable of processing materials, such as thermoplastics, thermoset, acetals, acrylics, phenolics and polycarbonates. Polymer Molding Inc. (PMI) is an ISO 9001:2008 certified firm. It has associations with Johnson Control, Dana, General Electric, Delphi, Delco, Parker Hannifin, etc.