| 1 | LSM | Aerobusinessservice | | RUS | AVCODES |
| 2 | LSM | Luxaviation San Marino S.r.l. | Callsign: Titan, | RSM | AVCODES |
| 3 | LSM | Aerobusinessservice | | | ICAO1 |
| 4 | LSM | LAKE SHORE MOTOR COACH LINES INC | | | SCAC4 |
| 5 | LSM | Linea San Martin | | RA | TRAFFIC |
| 6 | LSMC | LOUISVILLE SCRAP MATERIAL CO INC | | | SCAC3 |
| 7 | LSME | LALIS - SPECIAL | | | SCAC4 |
| 8 | LSMG | LES TRANSPORTS MARIO GAGNON INC | | | SCAC4 |
| 9 | LSMI | LAKE SHORE MOVERS INC | | | SCAC3 |
| 10 | LSMI | LOPEZ SCRAP METAL INC | | | SCAC4 |
| 11 | LSMJ | L S M J TRUCKING CO | | | SCAC3 |
| 12 | LSMK | LOSEE, MIKE TRUCKING | | | SCAC3 |
| 13 | LSML | LARSEN MOTOR LINES INC | | | SCAC3 |
| 14 | LSMN | LAMARQUE SANCHEZ, MIREYA NOHEMI | | | SCAC4 |
| 15 | LSMP | L & S MACHINERY EXPRESS INC | | | SCAC4 |
| 16 | LSMQ | LAKE SHORE MOTOR EXPRESS | | | SCAC3 |
| 17 | LSMR | LAKE SUPERIOR & MISSISSIPPI RAILROAD | | | PWRC |
| 18 | LSMS | Lake Shore & Michigan Southern | | USA | TRAFFIC |
| 19 | LSMT | LAKE SUPERIOR MUSEUM OF TRANSPORTATION | | | PWRC |
| 20 | LSMT | LEIGHTON SMALL TRUCK SERVICE | | | SCAC3 |
| 21 | LSMX | The Andersons-Rail Group | added 10/2004; 7/2005 | | NAKINA |
| 22 | LSMX | Progress Rail Services Corp. | added 10/1998; 7/2000; eliminated 10/2004 | | NAKINA |
| 23 | LSMX | Louisville Scrap Material Co. Inc. | added 1/1996; eliminated 10/1998 | | NAKINA |
| 24 | LSMX | Louisville Scrap Material Co. Inc. | added 1/96; eliminated 10/98 | | NRHS |
| 25 | LSMX | Progress Rail Services Corp. | added 10/98; 7/2000 | | NRHS |
| 26 | LSMX | THE ANDERSONS-RAIL GROUP. [PROGRESS RAIL SERVICES CORP.] (LOUISVILLE SCRAP METAL CO. INC.) | | | PWRC |
| 27 | LSMX | Progress Rail Services Corporation | | | RSRV |
| 28 | LSMX | ANDERSONS INC, THE | | | SCAC4 |
| 29 | LSMZ | LAKE SUPERIOR MUSEUM OF TRANSPORTATION | | | PWRC |
