| 1 | LTA | Trans Atlantis | Callsign: Lantra, | CDN | AVCODES |
| 2 | LTA | Leadership In Flight Training, LLC d/b/a LIFT Academy | Callsign: Lift, | USA | AVCODES |
| 3 | LTA | S.C. Starlight Airlines S.r.l. | Callsign: Lightstar, Operators licence revoked w.e.f. 10 Febraury 2012. | BG | AVCODES |
| 4 | LTA | Trans Atlantis | | | ICAO1 |
| 5 | LTA | Landesmuseum für Technik und Arbeit | Mannheim | D | privat-bahn.de |
| 6 | LTAA | LIZMARK TRANSPORT SERVICES INC | | | SCAC4 |
| 7 | LTAB | L T A BROS | | | SCAC4 |
| 8 | LTAB | Landeryds Trafik AB | | SE | VKM |
| 9 | LTAC | LET IT RIDE TRANSPORTATION INC | | | SCAC4 |
| 10 | LTAD | LANDRUM TRANSPORTATION | | | SCAC4 |
| 11 | LTAF | LAMB TRANSPORTATION SERVICES | | | SCAC4 |
| 12 | LTAF | Lithuanian Air Force | | LT | TRAFFIC |
| 13 | LTAG | LTA GROUP INC | | | SCAC3 |
| 14 | LTAG | LONGBOW TRANSPORTATION AND LOGISTIC | | | SCAC4 |
| 15 | LTAI | LEWIS TRANSPORTATION INC | | | SCAC3 |
| 16 | LTAJ | LEIGHTON TRANSPORT LLC | | | SCAC4 |
| 17 | LTAL | LUCAS TRUCKING & LEASING INC | | | SCAC3 |
| 18 | LTAL | LUCAS TRUCKING & LEASING INC | | | SCAC4 |
| 19 | LTAM | LEISURE TIME ACTIVITIES | | | SCAC4 |
| 20 | LTAN | LASER TRANSPORT INC | | | SCAC3 |
| 21 | LTAN | LASER TRANSPORT INC | | | SCAC4 |
| 22 | LTAO | LANDAIR TRANSPORT INC | | | SCAC3 |
| 23 | LTAO | LANDAIR TRANSPORT INC | | | SCAC4 |
| 24 | LTAP | LOPEZ TRUCKING INC | | | SCAC4 |
| 25 | LTAR | LODESTAR TRANSPORT SERVICES LLC | | | SCAC4 |
| 26 | LTAR | Arriva | City: London | GB | TRAFFIC |
| 27 | LTAS | LEWIS TRANSFER AND STORAGE CO INC | | | SCAC3 |
| 28 | LTAT | LITTLE A TRUCKING INC | | | SCAC4 |
| 29 | LTAT | Atlas Bus | | GB | TRAFFIC |
| 30 | LTAV | Alder Valley | | GB | TRAFFIC |
| 31 | LTAY | LADY | | | SCAC4 |
