| 1 | NBS | Nimbus Aviation | Callsign: Nimbus, | GB | AVCODES |
| 2 | NBS | Nimbus Aviation | | | ICAO1 |
| 3 | NBS | National Bureau of Standards | 1/1980 | | NAKINA |
| 4 | NBS | National Bureau of Standards | Jan-80 | | NRHS |
| 5 | NBS | NATIONAL BUREAU OF STANDARDS | | | PWRC |
| 6 | NBSB | NBS TRUCKING | | | SCAC3 |
| 7 | NBSC | NEW-BELL STORAGE CORPORATION | | | SCAC3 |
| 8 | NBSC | NEW BELL STORAGE | | | SCAC4 |
| 9 | NBSD | NIAGARA BULK SERVICE LTD | | | SCAC4 |
| 10 | NBSG | NOBLE SHIPPING LTD | | | SCAC4 |
| 11 | NBSI | NORTHWEST BUS SALES INC | | | SCAC4 |
| 12 | NBSL | NEBRASKALAND EXPRESS INC | | | SCAC3 |
| 13 | NBSM | NOBLE, SAM TRUCKING CO INC | | | SCAC3 |
| 14 | NBSN | NORTHWEST BROKERAGE SERVICES INC | | | SCAC4 |
| 15 | NBSR | New Brunswick Southern Ry. Co. Ltd. | added 7/1995; 7/2000-7/2005 | | NAKINA |
| 16 | NBSR | New Brunswick Southern Ry. Co. Ltd. | added 7/95; 7/2000 | | NRHS |
| 17 | NBSR | NEW BRUNSWICK SOUTHERN RAILWAY CO. | | | PWRC |
| 18 | NBSR | New Brunswick Southern Railway | | | RSRV |
| 19 | NBSR | NEW BRUNSWICK SOUTHERN RAILWAY COMP | | | SCAC4 |
| 20 | NBSR | New Brunswick Southern Ry. Co. Ltd. | | CDN | TRAFFIC |
| 21 | NBST | The New Braunfels & Servtex R.R., Inc. | added 4/1977; eliminated 10/1978 | | NAKINA |
| 22 | NBST | The New Braunfels & Servtex R.R., Inc. | eliminated 10/78 | | NRHS |
| 23 | NBST | NEW BRAUNFELS & SERVTEX RAILROAD, INC. | | | PWRC |
| 24 | NBST | NEW BRAUNFELS AND SERVTEX RAILROAD | | | SCAC3 |
| 25 | NBSU | NAME BEST SUPPLY CHAIN MANAGEMENT (CHONGQING) CO.,LTD | | PRC | BIC |
| 26 | NBSX | NEW BRAUNFELS & SERVTEX RAILROAD | | | PWRC |
