| 1 | LML | Alamia Air | Callsign: Alamia Air, | LAR | AVCODES |
| 2 | LML | Alamia Air | | | ICAO1 |
| 3 | LMLD | LIMOUSINES LTD INC | | | SCAC3 |
| 4 | LMLF | LAMALFA FARMS | | | SCAC3 |
| 5 | LMLG | L & M LEASING INC | | | SCAC4 |
| 6 | LMLI | LANDMARK LOGISTICS | | | SCAC4 |
| 7 | LMLM | LEMON LIMOUSINE INC | | | SCAC3 |
| 8 | LMLN | LIMELIGHT LIMOUSINE SERVICES INC | | | SCAC3 |
| 9 | LMLN | LOAD MACHINE LOGISTICS INC | | | SCAC4 |
| 10 | LMLO | LIMELIGHT LIMOUSINE INC | | | SCAC3 |
| 11 | LMLP | LOCKS MILL PROPANE INC | | | SCAC4 |
| 12 | LMLS | LARSON MATERIALS | | | SCAC3 |
| 13 | LMLS | LARSON MATERIALS INC | | | SCAC4 |
| 14 | LMLT | LEMMENES, LLOYD TRUCKING COMPANY | | | SCAC3 |
| 15 | LMLT | LA MUTUELLE PLUS 2000 | | | SCAC4 |
| 16 | LMLW | LTU MANAGEMENT LTD | | | SCAC4 |
| 17 | LMLX | Livingston Mountain Locomotive Works Inc. | added 10/2003; eliminated 4/2004; 7/2005 (not listed) | | NAKINA |
| 18 | LMLX | Libby, McNeill & Libby (General American Transportation Co.) | 10/1966; eliminated 1/1970; 4/1970 | | NAKINA |
| 19 | LMLX | General American Transportation Corp. | 7/1937-7/1965 | | NAKINA |
| 20 | LMLX | Libby, McNeill & Libby | 7/1935 | | NAKINA |
| 21 | LMLX | Libby, McNeill & Libby (refrigerator cars no. 1450-1499) (General American Transportation Corp.) | added 11/1934 | | NAKINA |
| 22 | LMLX | Libby, McNeill & Libby (refrigerator cars no. 1450-1499) (General American Transportation Corp.) | Apr-38 | | NRHS |
| 23 | LMLX | General American Transportation Corp. | 1/52-7/65 | | NRHS |
| 24 | LMLX | Libby, McNeill & Libby (General American Transportation Co.) | 10/66; eliminated 1/70 | | NRHS |
| 25 | LMLX | General American Transportation Corp. | Apr-70 | | NRHS |
| 26 | LMLX | *(GATC) LIBBY, McNEIL & LIBBY | | | PWRC |
| 27 | LMLX | +LIVINGSTON MOUNTAIN LOCOMOTIVE WORKS, INC. | | | PWRC |
| 28 | LMLX | LIVINGSTON MOUNTAIN LOCOMOTIVE WORK | | | SCAC4 |
