| 211 | Magnetic Separator Housing Fabricators | Company Product |
| 212 | Magnetic Shielding | Company Product |
| 213 | Magnetic Stands | Company Product |
| 214 | Magnetic Starters | Company Product |
| 215 | Magnetic Switches | Company Product |
| 216 | Magnetic Tape Degaussing Service | Company Product |
| 217 | Magnetic Tape Heads | Company Product |
| 218 | Magnetic Tape Shredding Services | Company Product |
| 219 | Magnetic Valve | Company Product |
| 220 | Magnetic-Driven Metallic Pumps | Company Product |
| 221 | Magnetic-Driven Non-Metallic Pumps | Company Product |
| 222 | Magnetically Coupled Pumps | Company Product |
| 223 | Magnetically Operated Piston Pumps | Company Product |
| 224 | Magnetically Operated Switches | Company Product |
| 225 | Magneto Ball Bearings | Company Product |
| 226 | Magnetometers | Company Product |
| 227 | Magnetometers And Sensors | Company Product |
| 228 | Magnetostrictive | Company Product |
| 229 | Magnetrons | Company Product |
| 230 | Magnets & Magnetic Devices | Company Product |
| 231 | Magnifier Lamp | Company Product |
| 232 | Magnifiers | Company Product |
| 233 | Magspring | Company Product |
| 234 | Mahle | Company Product |
| 235 | Mahogany Flats Pest Control | Company Product |
| 236 | Maid & Butler | Company Product |
| 237 | Maid Agencies | Company Product |
| 238 | Maid Agency Near Me | Company Product |
| 239 | Mail Address Service | Company Product |
| 240 | Mail Boxes | Company Product |