Main Plastics. Offers plastic injection moulding prototypes as well as design, manufacture, and repair of moulds. http://www.mainplastics.com/

Mairal SA. Manufacture of plastic moulded parts for the furniture and electronics industry. http://www.mairal.com/

Malaysian Nanshin Precision Industries. Manufactures injection-moulded plastic parts, assembly of high precision mechanisms, repair and maintenance of high-precision injection moulds, and more. http://www.mnpi.net/

Manar Inc. Offering plastics injection and custom molding services. http://www.manarinc.com/

Mar-Lee Companies. Full-service precision mold maker and injection molder. http://www.mar-leecompanies.com/

Maxima Plastics. Custom injection molder serving the automotive, aerospace, industrial, housewares, and electronics market. http://www.maximaplasticservices.com/

McKechnie Tooling and Engineering. Manufacturer of medium to high complexity injection molds. http://www.mcktool.com/

Meditec Plaststobning A/S. Sub-supplier in the production of injection moulded and blow moulded plastic items. http://www.meditec.dk/

Metalor 2000. Production of metal parts by technology of MIM (Metal Injection Molding) using materials such as nickel, iron alloy, stainless steels and more. http://www.metalor2000.com/

Midgard Inc. Provides custom engineered injection molded services, specializing in precision custom- and insert-molded components using thermoplastic materials. http://www.midgardplastics.com/

Midwest Plastic Products. Manufactures blow molded HDPE plastic parts including outdoor wheels, cases, and custom contracts. http://www.midwest-plastic.com/

Migrandy Corporation. Designing, modifying, and rebuilding screws, barrels, and other replaceable components of plastics injection molding and extrusion processes. http://www.migrandy.com/

Millennium Plastics Ltd. Providing plastic injection moulding in a "clean room" environment. http://www.millenniumplastics.co.nz/

Ming Feng Molding Co. Ltd. Specializes in designing and manufacturing injection steel molds. http://www.toolingmaker.com/

Miniature Precision Components, Inc. From initial design to finished product. http://www.mpc-inc.com/

Moldamatic. Performs custom injection molding and makes injection molds. http://www.moldamatic.com/

Molders Choice, Inc. Provides injection molding solutions. http://www.molderschoice.com/

Moldesign Moldmaking. Designs and builds plastic injection molds. http://www.moldesign.com/

Moldtronics. Custom thermoplastic and thermoset plastic molding company. Also offers insert molding services. http://www.moldtronics.com/

New Castle Industries. Dedicated to innovative screw technology advancements and plastic process development and improvement. http://www.newcas.com/