| 331 | Industrial Designers | Company Product |
| 332 | Industrial Device | Company Product |
| 333 | Industrial Diamonds | Company Product |
| 334 | Industrial Diaphragm | Company Product |
| 335 | Industrial Digital Anemometer | Company Product |
| 336 | Industrial Doors | Company Product |
| 337 | Industrial Drain Cleaners | Company Product |
| 338 | Industrial Drives | Company Product |
| 339 | Industrial Drums | Company Product |
| 340 | Industrial Dry Vacuum Cleaner | Company Product |
| 341 | Industrial Dryers | Company Product |
| 342 | Industrial Electrical | Company Product |
| 343 | Industrial Electrical Components | Company Product |
| 344 | Industrial Electrical Monitoring Equipment | Company Product |
| 345 | Industrial Electrical Switchboards | Company Product |
| 346 | Industrial Electrical Test Equipment | Company Product |
| 347 | Industrial Electrical Testing Instruments | Company Product |
| 348 | Industrial Electronics | Company Product |
| 349 | Industrial Elevators | Company Product |
| 350 | Industrial Enclosures | Company Product |
| 351 | Industrial Endoscopes | Company Product |
| 352 | Industrial Engineers | Company Product |
| 353 | Industrial Engines | Company Product |
| 354 | Industrial Equipment | Company Product |
| 355 | Industrial Ethernet | Company Product |
| 356 | Industrial Fan | Company Product |
| 357 | Industrial Fans | Company Product |
| 358 | Industrial Filter | Company Product |
| 359 | Industrial Filters | Company Product |
| 360 | Industrial Filtration | Company Product |