| 481 | Natural Crystal | Company Product |
| 482 | Nuclear Counters | Company Product |
| 483 | Noise Control Consultants | Company Product |
| 484 | Networking Software | Company Product |
| 485 | Non-slip Coatings | Company Product |
| 486 | Non-denominational Churches | Company Product |
| 487 | Nautical Charts | Company Product |
| 488 | Nonya, Peranankan Caterers | Company Product |
| 489 | Ni Hard Castings | Company Product |
| 490 | Noise Suppressing Capacitors | Company Product |
| 491 | Northern Indian Cafes | Company Product |
| 492 | Neoprene Cables | Company Product |
| 493 | Numerically Controlled Boring Machines | Company Product |
| 494 | Nylon Belting | Company Product |
| 495 | Needle Roller Bearings | Company Product |
| 496 | Nickel-cadmium Batteries | Company Product |
| 497 | Naval Architects | Company Product |
| 498 | Nickel Anodes | Company Product |
| 499 | Network Analysers | Company Product |
| 500 | Neon Advertising | Company Product |