| 1 | LYB | Lynden Air Cargo PNG Ltd. | IATA: L8, Callsign: Highlands, Designator L8* recalled by IATA. | PNG | AVCODES |
| 2 | LYB | Lynden Air Cargo PNG Ltd. | Callsign: Highlands, Designator L8* recalled by IATA. | PNG | AVCODES |
| 3 | LYBC | LAYDEN BUS COMPANY INC | | | SCAC3 |
| 4 | LYBI | LYBERTON IONTERNATIONAL LTD | | | SCAC3 |
| 5 | LYBI | LIONIZE DELIVERY SOLUTIONS INC | | | SCAC4 |
| 6 | LYBJ | LYCAL BUS CO | | | SCAC3 |
| 7 | LYBK | LADYBUG TRUCKING LLC | | | SCAC4 |
| 8 | LYBL | LYNCH, BILL TRUCKING | | | SCAC3 |
| 9 | LYBM | LYNN, B | | | SCAC4 |
| 10 | LYBO | LYBARGER OIL INC | | | SCAC4 |
| 11 | LYBR | LAYNE BROS INC | | | SCAC3 |
| 12 | LYBS | LYNCHBURG BUS SERVICE INC | | | SCAC3 |
| 13 | LYBS | LYBRA SHIPPING LINE | | | SCAC4 |
| 14 | LYBT | LYMAN BULK TRANSPORT | | | SCAC3 |
