| 1 | NOW | Royal Norwegian Air Force | Callsign: Norwegian, | N | AVCODES |
| 2 | NOW | Royal Norwegian Air Force | | | ICAO1 |
| 3 | NOW | Northern Ohio & Western Ry., Ltd. | added 10/1995; eliminated 4/1997; 7/2000-7/2005 | | NAKINA |
| 4 | NOW | Northern Ohio & Western Ry., Ltd. | added 10/95; eliminated 4/97; 7/2000 | | NRHS |
| 5 | NOW | NORTHERN OHIO & WESTERN RAILWAY, LTD. | | | PWRC |
| 6 | NOW | Northern Ohio and Western Railway | | | RSRV |
| 7 | NOW | NORTHERN OHIO & WESTERN RAILWAY LTD | | | SCAC4 |
| 8 | NOWB | NORTHWESTERN BUSINESS TRAVEL | | | SCAC3 |
| 9 | NOWC | N O W TRUCKING INC | | | SCAC4 |
| 10 | NOWD | NORTHWESTERN EXHIBIT DRAGAGE CO | | | SCAC3 |
| 11 | NOWD | NOW DELIVERY LLC | | | SCAC4 |
| 12 | NOWE | NOW EXPRESS | | | SCAC4 |
| 13 | NOWH | NORTHWESTERN WAREHOUSE COMPANY | | | SCAC3 |
| 14 | NOWI | NORTHWEST TRUCK SERVICE | | | SCAC3 |
| 15 | NOWJ | N O W TRUCKING | | | SCAC3 |
| 16 | NOWK | N O W TRUCKING CO | | | SCAC3 |
| 17 | NOWL | NOWELL, G R & SON, INC | | | SCAC3 |
| 18 | NOWL | NOW & LATER TRANSPORTATION | | | SCAC4 |
| 19 | NOWM | NORTHWEST MOVING SERVICES INC | | | SCAC3 |
| 20 | NOWM | NORTHWEST MOVING SERVICES INC | | | SCAC4 |
| 21 | NOWN | NORTHWEST TRANSPORTATION SERVICE IN | | | SCAC3 |
| 22 | NOWN | NOW OR NEVER | | | SCAC4 |
| 23 | NOWP | NORTHWEST PACKAGE DELIVERY CO | | | SCAC3 |
| 24 | NOWQ | NORTHWEST CARRIERS INC | | | SCAC3 |
| 25 | NOWR | NORTHWEST REFRIGERATION & SALES | | | SCAC3 |
| 26 | NOWS | NORTH WIND LOGISTICS INC | | | SCAC4 |
| 27 | NOWU | NORWOOD SHIPPING SA | | E | BIC |
| 28 | NOWU | NOWSCO | | | SCAC3 |
| 29 | NOWU | NORWOOD SHIPPING SA | | | SCAC4 |
| 30 | NOWV | NOW OR NEVER TRUCKING INC | | | SCAC4 |
| 31 | NOWW | NOW TRUCKING | | | SCAC3 |
