| 1 | NAG | Northern Air Charter Aps & Co KG | Callsign: Stardust, | D | AVCODES |
| 2 | NAG | NAEW&C Force E-3A Fleet | Callsign: Nato, | D | AVCODES |
| 3 | NAG | Nagano Electric Railway | | J | TRAFFIC |
| 4 | NAGA | NAGASHIKI SHIPPING CO LTD | | | SCAC4 |
| 5 | NAGA | | City: Nagasaki | J | TRAFFIC |
| 6 | NAGAB | Nagasaki Bus | | J | TRAFFIC |
| 7 | NAGADEN | Nagaden Bus | | J | TRAFFIC |
| 8 | NAGARA | Nagaragawa Railway | | J | TRAFFIC |
| 9 | NAGB | NAGEL, BRUCE TRUCKING | | | SCAC3 |
| 10 | NAGC | NAGLIC, GERALD J | | | SCAC3 |
| 11 | NAGI | NAIGAI NITTO CO LTD. | | | SCAC3 |
| 12 | NAGL | NAGLEE MOVING & STORAGE, INC | | | SCAC3 |
| 13 | NAGN | NEW AGE TRANSPORTATION INC | | | SCAC4 |
| 14 | NAGO | NORTH AMERICAN GRAPPLING ASSOCIATIO | | | SCAC4 |
| 15 | NAGOYA | | City: Nagoya | J | TRAFFIC |
| 16 | NAGOYAB | Nagoya Bus Co. | | J | TRAFFIC |
| 17 | NAGR | NATIONAL GROCERS CO LTD | | | SCAC3 |
| 18 | NAGU | TRANSPORT NAGELS N.V. | | B | BIC |
| 19 | NAGU | TRANSPORT NAGELS N V | | | SCAC4 |
| 20 | NAGY | NAGY, LOUIS J | | | SCAC4 |
