| CompanyID | Company | Description | State |
| 1544 | M&E SUPPLY | We buy and sell AC-CD Drives, robotics,and Indestrial Electronics | OH |
| 1985 | M/S, Merjan International Trading Company. | We are a leading company of Import business of equipments manufacturing plants since 1992 in Pakistan | PA |
| 600 | Machine Tool Rebuild Specialists,Inc. | Rebuild/repair/retrofit machines- mills,lathes,drills,presses,grinders,shears, brakes,speciality machines. Product line - Newall DRO's, Servo mills, UniHydro ironworkers, Wellsaws. Prev. Maint Contracts. | PA |
| 815 | Magnum Engineering | Engineering - Piping/Mechanical, Civil/Structual and Controls. Including PLC support and programming and DCS implementation. | TX |
| 975 | Marotta Scientific Controls | designers and manufacturers of fluid control components (valves, valve manifolds, pressure regulators) and systems, actuators and electronic controls | NJ |
| 2045 | MAS | MAS Mahmoud El-Sayyad
Oil & Gas Turbines Compreesors Pipline | AL |
| 2788 | McBroom Industrial Services | industrial repair services
iso certified motor, servo, and spindle repair | OH |
| 393 | MDP Mechanical | Provides fire prevention / suppresion systems. Installs and repairs to large fire and domestic water system. Complete machine and fabrication shop inhouse | CA |
| 1289 | Meikle EMS Automation | OEM, DESIGN AND BUILD AUTOMATED EQUIPMENT | NC |
| 2908 | Moreau Industrie | Industriel Contractor | Quebec |
