| 1 | NSB | | | N | TRAFFIC |
| 2 | NSB | Norges Statsbaner BA | | NO | VKM |
| 3 | NSBA | Neunkirchner Strassenbahn | City: Neunkirchen | D | TRAFFIC |
| 4 | NSBAG | Neusiedler Seebahn | | AT | VKM |
| 5 | NSBE | NISBET OIL COMPANY | | | SCAC4 |
| 6 | NSBK | NEW STAR BOOKS LTD | | | SCAC4 |
| 7 | NSBM | NESBITT, MIKE TRUCKING INC | | | SCAC4 |
| 8 | NSBR | NUSSBAUMER TRANSPORTATION | | | SCAC3 |
| 9 | NSBR | NINE ZERO SEVEN EIGHT-FOUR NINE FOU | | | SCAC4 |
| 10 | NSBS | NORTH STAR BUS SERVICE INC | | | SCAC3 |
| 11 | NSBT | NESBIT TRANSPORTATION COMPANY | | | SCAC3 |
| 12 | NSBT | NASSER | | | SCAC4 |
| 13 | NSBU | NATIONAL CENTE FOR ATMOSPHERIC | | | SCAC3 |
