| 211 | Magnetically Operated Piston Pumps | Company Product |
| 212 | Magnetically Operated Switches | Company Product |
| 213 | Magneto Ball Bearings | Company Product |
| 214 | Magnetometers | Company Product |
| 215 | Magnetometers And Sensors | Company Product |
| 216 | Magnetostrictive | Company Product |
| 217 | Magnetrons | Company Product |
| 218 | Magnets & Magnetic Devices | Company Product |
| 219 | Magnifier Lamp | Company Product |
| 220 | Magnifiers | Company Product |
| 221 | Magspring | Company Product |
| 222 | Mahle | Company Product |
| 223 | Mahogany Flats Pest Control | Company Product |
| 224 | Maid Agencies | Company Product |
| 225 | Maid Agency Near Me | Company Product |
| 226 | Maid & Butler | Company Product |
| 227 | Mail Address Service | Company Product |
| 228 | Mail Boxes | Company Product |
| 229 | Mail Dropping Service | Company Product |
| 230 | Mail Order & Catalogue Shopping | Company Product |
| 231 | Mailing Lists | Company Product |
| 232 | Mailing Machines & Equipment | Company Product |
| 233 | Mailing Tubes | Company Product |
| 234 | Main Bearing & Conrod Bearing | Company Product |
| 235 | Main Blocks | Company Product |
| 236 | Main Db Box | Company Product |
| 237 | Main Distribution Box | Company Product |
| 238 | Main Frame Scaffoldings | Company Product |
| 239 | Main Frames | Company Product |
| 240 | Main Gear | Company Product |