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Keller Products is a leading plastic extrusion manufacturer based in Manchester, NH. For over 40 years, we’ve been manufacturing plastic extrusions, plastic extruded products, coextrusions, hollow profiles, recycled profiles, custom profiles and more.

Plastics are our business. We manufacture plastic profiles in ABS, PVC, nylon, polycarbonate and more. No design is too simple or too complex for us to design or manufacture. We even offer custom materials and designs to meet your needs.

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