| 1 | KLE | Rusaero, Center For Civil Aviation Services | | RUS | AVCODES |
| 2 | KLE | Rusaero | | | ICAO1 |
| 3 | KLE | Fa. Klefenz GmbH, Gleisbau, Tief- und Straßenbau | | DE | VKM |
| 4 | KLED | KELLEY, ED TRUCKING | | | SCAC3 |
| 5 | KLEE | KILLEEN TRUCKING INC | | | SCAC3 |
| 6 | KLEG | K-LEE TRUCK LEASING | | | SCAC3 |
| 7 | KLEI | KELLEYS TRANSPORTATION INC | | | SCAC3 |
| 8 | KLEJ | KLEINJAN BROS | | | SCAC3 |
| 9 | KLEL | KALEELS EXPRESS, INC | | | SCAC3 |
| 10 | KLEL | KEHLER, DAVE | | | SCAC4 |
| 11 | KLEM | K-LINE EXPRESS | | | SCAC3 |
| 12 | KLEM | KLEIMAR LTD | | | SCAC4 |
| 13 | KLENK | Klenk Gleis und Tiefbau GmbH & Co KG | | DE | VKM |
| 14 | KLEO | KLENSKE BROTHERS TRUCKING | | | SCAC3 |
| 15 | KLEQ | KLEMM TANK LINES | | | SCAC3 |
| 16 | KLEQ | KLEMM TANK LINES | | | SCAC4 |
| 17 | KLES | KLEINSMITH TRUCKING | | | SCAC3 |
| 18 | KLET | KLEYSEN TRANSPORT LTD | | | SCAC3 |
| 19 | KLET | KLEYSEN GROUP LP | | | SCAC4 |
| 20 | KLEV | KLEVELANDS TOWING SERVICE | | | SCAC3 |
| 21 | KLEX | Kleysen Transport Ltd. | 7/2005 (not listed) | | NAKINA |
| 22 | KLEX | *KLEYSEN TRANSPORT LTD. | | | PWRC |
| 23 | KLEX | +KAYWAY INDUSTRIES INC. | | | PWRC |
| 24 | KLEX | KAYWAY INDUSTRIES INC | | | SCAC4 |
| 25 | KLEY | KELLEYTOWN TRANSPORTATION INC | | | SCAC4 |
| 26 | KLEY | Kley\'s Baumaschinen | | DE | VKM |
