| 1 | LDC | LADECO Cargo, S.A. | IATA: UC, Callsign: Ladeco Cargo, IATA Prefix: 527, Designator UC recalled by IATA | RCH | AVCODES |
| 2 | LDC | Lausitzer Dampflok-Club e.V. | Neuendorf | D | privat-bahn.de |
| 3 | LDC | LASCO DEVELOPMENT CORP. | | | PWRC |
| 4 | LDC | Lausitzer Dampflok Club e.V | | DE | VKM |
| 5 | LDCA | LINE DRIVE OF CALIFORNIA | | | SCAC3 |
| 6 | LDCA | LOGISTICA DE CARGA DEL NOROESTE S A | | | SCAC4 |
| 7 | LDCC | LADSON CREATIVE MILLWORK | | | SCAC4 |
| 8 | LDCE | LEGEND CONTAINER LINE | | | SCAC4 |
| 9 | LDCF | LAUDIN, D C FARMS LTD | | | SCAC4 |
| 10 | LDCG | LIL DIESEL CARTAGE LTD | | | SCAC4 |
| 11 | LDCH | LOUIS DREYFUS COMMODITIES SUISSE SA | | | SCAC4 |
| 12 | LDCI | LEASEWAY DISTRIBUTION CENTERS INC | | | SCAC3 |
| 13 | LDCI | LITTLE DOLLHOUSE COMPANY, THE | | | SCAC4 |
| 14 | LDCK | L & D TRUCKING | | | SCAC3 |
| 15 | LDCK | LD LOGISTICS LLC | | | SCAC4 |
| 16 | LDCL | LAND DEVELOPMENT CONTRACTORS LLC | | | SCAC4 |
| 17 | LDCM | LEDCOR CMI INC | | | SCAC4 |
| 18 | LDCO | LAKESIDE DRAYAGE CO | | | SCAC3 |
| 19 | LDCP | LOUIS-DREYFUS CORPORATION | | | SCAC3 |
| 20 | LDCP | LOUIS DREYFUS ARMATEURS (S N C) | | | SCAC4 |
| 21 | LDCR | LAUDERDALE CARGO INC | | | SCAC3 |
| 22 | LDCV | LEADERSHIP COMPANIA NAVIERA SA | | | SCAC3 |
| 23 | LDCX | Louis Dreyfus Corp. | added 7/1979; 1/1980-7/2005 | | NAKINA |
| 24 | LDCX | Louis Dreyfus Corp. | added 7/79; 1/80-7/2000 | | NRHS |
| 25 | LDCX | LOUIS DREYFUS CORP. | | | PWRC |
| 26 | LDCX | Louis Dreyfus Corporation | | | RSRV |
| 27 | LDCX | LOUIS DREYFUS CORP. | | | SCAC4 |
| 28 | LDCZ | LOUIS DREYFUS CORP. | | | PWRC |
