Jefferson Rubber Works. High-volume, injection rubber molder.

Kaysun Corporation. Custom injection molding and toolmaking for close tolerance plastic components using engineering resins.

Keith Newmark. Offers a range of industrial injection moulding services.

Kinetics, Inc. Manufacturing Organization's record for producing high quality components that meet your specifications.

Komtech Plastics Corp. Vender of complete injection moulded plastic solutions.

L & M Pattern Mfg. Co. Manufacturers industrial patterns.

Laydon Company. Produces custom plastic injection molded parts and tools for the automotive, sporting goods, electronics, and dental industries.

Leadwin & Changdih Steel Mold, Inc. Offers product design, prototyping, and tooling of steel molds for clamping force plastic injection machines.

Lesueur. Manufactures aluminum die and sand casting, permanent mold, and thermoplastic injection molded parts.

Listo Corporation. Manufacturers of carton cutters, marking pens and pencils, razor blade and chalk holders. Also offer plastic injection molding services.

Lombardi Design and Manufacturing. Offering injected molding packaging of display cases, push-up sticks, trays, talc containers, and more.

Lomont Molding, Inc. Specializing in structural foam, injection, and gas assisted molding, as well as product and tooling design and construction.

Main Plastics. Offers plastic injection moulding prototypes as well as design, manufacture, and repair of moulds.

Mairal SA. Manufacture of plastic moulded parts for the furniture and electronics industry.

Malaysian Nanshin Precision Industries. Manufactures injection-moulded plastic parts, assembly of high precision mechanisms, repair and maintenance of high-precision injection moulds, and more.

Manar Inc. Offering plastics injection and custom molding services.

Mar-Lee Companies. Full-service precision mold maker and injection molder.

Maxima Plastics. Custom injection molder serving the automotive, aerospace, industrial, housewares, and electronics market.

McKechnie Tooling and Engineering. Manufacturer of medium to high complexity injection molds.

Meditec Plaststobning A/S. Sub-supplier in the production of injection moulded and blow moulded plastic items.