| 1 | LUC | Albinati Aeronautics S.A. | Callsign: Stef, | CH | AVCODES |
| 2 | LUC | Alninati Aeronautics | | | ICAO1 |
| 3 | LUCB | LUCAS BROTHERS | | | SCAC3 |
| 4 | LUCB | LUCAS BROTHERS | | | SCAC4 |
| 5 | LUCD | LUCIO, JOE DAIRY | | | SCAC3 |
| 6 | LUCF | LUCAS, FRANK CO INC | | | SCAC3 |
| 7 | LUCH | LUSAMERICAN COACH TOURS | | | SCAC3 |
| 8 | LUCH | Lüchow-Schmarsauer Eisenbahn GmbH | | D | TRAFFIC |
| 9 | LUCI | L U CARRIERS INC | | | SCAC3 |
| 10 | LUCL | LUCAS LINE, THE | | | SCAC3 |
| 11 | LUCM | LUCAS MARINE TRANSPORT | | | SCAC3 |
| 12 | LUCM | LUMCA INC | | | SCAC4 |
| 13 | LUCO | LUCO CARTAGE CO | | | SCAC3 |
| 14 | LUCO | LUCO CARTAGE CO | | | SCAC4 |
| 15 | LUCS | LUCIUS INCORPORATED | | | SCAC3 |
| 16 | LUCT | LUCKEN TRUCKING | | | SCAC3 |
| 17 | LUCX | Services Unlimited | added 1/1994; 7/2000-7/2005 | | NAKINA |
| 18 | LUCX | Railroad Car Management Co., Inc. | added 1/1981; eliminated 1/1994 | | NAKINA |
| 19 | LUCX | LUCX, Inc. | added 4/1972; 1/1975-1/1980; eliminated 1/1981 | | NAKINA |
| 20 | LUCX | LUCX, Inc. | added 4/72; 1/75-1/80; eliminated 1/81 | | NRHS |
| 21 | LUCX | Railroad Car Management Co., Inc. | added 1/81; eliminated 1/94 | | NRHS |
| 22 | LUCX | Services Unlimited | added 1/94; 7/2000 | | NRHS |
| 23 | LUCX | SERVICES UNLIMITED [RAILROAD CAR MANAGEMENT CO., INC (RCMX); LUCX, INC.] | | | PWRC |
| 24 | LUCX | LUCX Inc. (Railroad Car Management) | | | RSRV |
| 25 | LUCX | SERVICES UNLIMITED | | | SCAC4 |
| 26 | LUCY | LUCKY STORES INC | | | SCAC3 |
| 27 | LUCY | LUCO TRUCKING | | | SCAC4 |
