| 1 | LRD | Laredo Air | Callsign: Laredo Air, | USA | AVCODES |
| 2 | LRD | Laredo Air | | | ICAO1 |
| 3 | LRDA | LORDCO PARTS LTD | | | SCAC4 |
| 4 | LRDB | LAREDO TRANSPORT & STORAGE INC | | | SCAC4 |
| 5 | LRDC | LIGHTHOUSE R & D ENTERPRISES INC | | | SCAC4 |
| 6 | LRDH | LAREDO HARDWARE COMPANY | | | SCAC4 |
| 7 | LRDI | L & R DISTRIBUTION INC | | | SCAC3 |
| 8 | LRDI | LEGACY RACING OF DELAWARE INC | | | SCAC4 |
| 9 | LRDM | LA ROSA DEL MONTE EXPRESS INC | | | SCAC3 |
| 10 | LRDM | LA ROSA DEL MONTE EXPRESS INC | | | SCAC4 |
| 11 | LRDN | LORDON INC | | | SCAC3 |
| 12 | LRDN | L R D INCORPORATION | | | SCAC4 |
| 13 | LRDQ | LORRYS DELIVERY SERVICE | | | SCAC3 |
| 14 | LRDV | LEONARDS TRANSPORTATION INC (REFRIG | | | SCAC4 |
| 15 | LRDW | LARSEN, D W INTERMODAL INC | | | SCAC4 |
| 16 | LRDX | MidAmerican Energy Co. | added 4/1996; 7/2000-7/2005 | | NAKINA |
| 17 | LRDX | Le Ray Despatch Lines, Inc. | 8/1920 | | NAKINA |
| 18 | LRDX | MidAmerican Energy Co. | added 4/96; 7/2000 | | NRHS |
| 19 | LRDX | *LE RAY DESPATCH LINES, INC. | | | PWRC |
| 20 | LRDX | +MIDAMERICAN ENERGY COMPANY | | | PWRC |
| 21 | LRDX | MidAmerican Energy | | | RSRV |
| 22 | LRDX | MIDAMERICAN ENERGY COMPANY | | | SCAC4 |
