- Leading Edge Enterprises
- Leading Edge Enterprises
- Leads Plastics
- Lear Corp
- Lear Corp
- Lear Corp
- Lee Ann Plastics Inc
- Lee Plastics
- Leeway Mold Design
- Leeway Mold Design
- Legacy Molding Corp
- Legacy Moulding
- Legacy Plastics Inc
- Legna Inc
- Leisure Sports
- Leitchfield Plastics
- Lenawee Precision Plastics Inc
- Lenawee Precision Plastics Inc
- Leon Busch Mfg Inc
- Leon Busch Mfg Inc
- Letica
- Letica Corp
- Levic Plastics Inc
- Lewanee Precision Plastics Inc
- Lewanee Precision Plastics Inc
- Lewis Fabrications
- Lexington Plastic Molding
- Lexington Plastics Inc
- Liberty Plastics Inc
- Liberty Plastics Inc
- Liberty Tool & Mfg Inc
- Libralter Plastics Inc
- Libralter Plastics Inc
- Lido Blow Molding Inc
- Lido Blow Molding Inc
- Liebthal Tool & Die
- Life Like Products LLC
- Lifetime Nut Covers Inc
- Lighthouse Industries
- Lima Plastics Inc
- Limmco Inc
- Lincoln Gen Facility
- Lincoln Industries
- Link Tech
- Lion Plastics Inc
- Liqui-Box Corp
- Liquid Container/PLAXICON
- Lisa Manion
- Lisa Manion
- LITECO
- LKS Assoc Inc
- LMB Products
- LMR Plastic Corp
- LMR Plastics
- LMT-Mercer Group Inc
- Lo Tek Inc
- Locbloc
- Logan Plastics
- Lolli Manufacturing Inc
- Lombardi Design & Mfg
- Lookout Industries
- Lordahl Engineering Co
- Louden Brothers Tool Co
- Louroth Industries Inc
- LPS Injection Molding
- LPS Molding
- LST Moldmaker Inc
- LTS Plastics
- Lyall Turbosonics Inc
- Lyall Turbosonics Inc
- Lyon Design & Production Inc
- M & M Plastic Co
- M & N Plastics
- M & N Plastics
- M & N Plastics
- M & N Plastics Inc
- M C Tietz Plastics Inc
- M O Precision Molders Inc
- M R Alsobrook Inc
- M-Tek Inc
- Mac Donald's Ind Plastics
- MAC Molding Co
- Mach Custom Injection Molding
- Machinery Sales & Svc-Mt Holly
- Mack Molding
- Mack Molding Co
- Mack Molding Co
- Madan Plastics Inc
- Maffei Krauss
- Maffei Krauss
- MAG Inc
- MAG Inc
- Magic Plastics Inc
- Mahar Spar Industries Inc
- Maine Composites
- Majestic Plastics
- Majors Plastics Inc
- Majors Plastics Inc
- Make-It Mfg Inc
- Makuta Tehnics Inc
- Malish Plastics
- Mallory USA Inc
- Manchester Molding & Mfg Co
- Manitowoc Custom Molding LLC
- Mann & Hummel Automotive
- Manufacturing Design Corp
- Manufacturing Modes Inc
- Manufacturing Specialties
- Manufacturing Trades
- Mar Injection Molding
- Mar Products Inc
- Mar-Bal Inc
- Mar-Bal Inc
- Marathon Mold
- Marchel Industries
- Marco Molding Inc
- Marco Plastics Inc
- Marinco Industrial
- Mariner Container Corp
- Mariplast NA
- Marland Mold
- Marlborough Plastics Inc
- Marmic Ent Inc
- Martinelli Corp
- Marx Mold & Tool Inc
- Maryland Plastics Inc
- Master Devices
- Master Devices LLC
- Master Industries Inc
- Master Molded Products Corp
- Master Molders Inc
- Master Plastics
- Master Tool & Mold Inc
- Master Tool Co
- Mastercraft Companies
- Mastermolding Inc
- Mastertech Plastics Inc
- Matchbox Molding
- Mathson Industries
- Mathson Industries
- Mato Plastics
- Matrix Inc
- Matrix Iv Inc
- Matrix Iv Inc
- Matrix Iv Inc
- Matrix Iv Inc
- Matrix Manufacturing
- Matrix Manufacturing Inc
- Matrix Masters
- Mattox Machine & Molding Inc
- Maverick Molding
- Maxima Plastics
- Maxwell Mold & Machine
- Maya Plastics Inc
- Mayco Plastics Inc
- Mayer Molding Co
- Mayer Molding Corp
- MBG Plastics Inc
- Mc Call & Assoc
- Mc Call & Assoc
- Mc Cluen Co
- Mc Donald Custom Molding Inc
- Mc Elroy Plastics
- Mc Knight Manufacturing
- MCG Plastics Inc
- MCP Systems Inc
- MDR Intl Inc
- MDX Plastics
- Mech-Elec Sales Co
- Mechanical Institute
- Med Venture Technology Corp
- Medax International Inc
- Medco Mold
- Medco Mold
- Medicomp
- Medtech Group Inc
- Medway Plastics Corp
- Meese Orbitron Dunne Co
- Mega Screen Corp
- Meldrum Plastics
- Melsur Corp
- Melsur Corp
- Meridian Automotive Systems
- Meridian Moulding Inc
- Meridian Products Corp
- Merlin Mold Making Inc
- Merrick Engineering Inc
- Mesa Industries Inc
- Mesa Industries Inc
- Messenger Molding
- Metro Assemblies Inc
- Metro Mold Inc
- Metro Plastics
- Metroplas Corp
- Meyer Plastic Inc
- MGS Manufacturing Group
- Miami Molding Corp
- Miami Valley Plastics
- Michael Brothers Inc
- Michael L O'Meara & Assoc
- Michelex Industrial Group
- Micro Mold
- Micro Mold
- Micro Molding Inc
- Micro Plastics
- Micro Plastics
- Micro Star Innovations
- Micro Tech Southwest
- Micro Technology
- Micro Tool & Mold Inc
- Microdyne Plastics Inc
- Micromold Inc
- Microplastics Inc
- Microtech Plastic Co
- Mid American Products Inc
- Mid Florida Plastics Inc
- Mid Tenn Plastics
- Mid Vermont Molding
- Mid-America Products
- Mid-Cities Precision Mold Inc
- Mid-Continent Tool & Molding
- Mid-State Laboratories
- Midbury Industries Inc
- Midstate Mold & Engineering
- Midstates Plastics Inc
- Midwest Molding Inc
- Midwest Molding Solutions Inc
- Midwest Plas Tech Inc
- Midwest Plastic Components
- Midwest Plastics Inc
- Midwest Plastics Inc
- Midwest Plastics Inc
- Mighty Molding & Mfg Inc
- Mikros Engineering Inc
- Mil-Bar Plastic Co
- Mil-Bar Plastic Co
- Milacron Inc
- Milacron Inc
- Millenium Manufacturing
- Millenium Manufacturing
- Millenium Tmw Technologies
- Millenium Tmw Technologies
- Millennium Manufactured Cmpnts
- Millennium Plastics Inc
- Millennium Plastics Technology
- Milne Manufacturing
- Milwright
- Miniature Plastic Molding
- Minnesota Rubber
- MIP
- Mira Plastics Co
- Mirage Precision
- Mission Plastics
- Mission Plastics North
- Mississippi Plastic Molders
- Missouri Knife Co
- MIT Plastic
- MIT Plastic
- Mitchell Molding Co
- Mitchell Plastics
- Mitchell Plastics
- Mitchell Plastics
- Miteject Inc
- Mj Molding
- Mj Molding
- Mjs Tool & Die Co
- MOCAP Inc
- MOCAP Inc
- Mod-I-Set Plastics
- Models Inc
- Modern Industrial Plastics Inc
- Modern Mold
- Modern Mold & Tool Inc
- Modern Molding
- Modern Molding
- Modern Plastic
- Modern Plastics
- Modern Plastics Corp
- Modern Plastics Technology
- Modular Molding Intl
- Mohr Engineering
- Mol-Son Inc
- Mold & Tool Enterprises
- Mold & Tool Enterprises
- Mold A Matic Corp
- Mold Masters
- Mold Pro Co
- Mold Shop Inc
- Mold Threads Inc
- Mold-Rite
- Mold-Tech
- Moldcraft
- Moldcraft
- Molded Fiber Glass Co
- Molded Industrial Plastics
- Molded Interconnect Industry
- Molded Interconnect Industry
- Molded Material Inc
- Molded Materials Inc
- Molded Solutions Inc
