| 1 | LRC | Lineas Aereas Costarricenses S.A. (LACSA) | IATA: LR, Callsign: LACSA, IATA Prefix: 133, Name changed to Avianca Costa Rica | CR | AVCODES |
| 2 | LRC | Avianca Costa Rica S.A. | IATA: LR, Callsign: LACSA, IATA Prefix: 133, Name changed from Lineas Aereas Costarricenses S.A. (LACSA) | CR | AVCODES |
| 3 | LRC | LACSA | IATA: LR | | ICAO1 |
| 4 | LRCB | LITTLE ROCK CRATE & BASKET CO | | | SCAC4 |
| 5 | LRCC | LRC INTERNATIONAL | | | SCAC4 |
| 6 | LRCD | LARIMER, CHARLES D | | | SCAC3 |
| 7 | LRCE | LA REPUBLICA CARGO EXPRESS CORP | | | SCAC4 |
| 8 | LRCH | L R CHARTER SERVICE (A DIV OF UNITE | | | SCAC3 |
| 9 | LRCI | LEDREW, R CO INC | | | SCAC3 |
| 10 | LRCI | LUTES, RICHARD CEDAR INC | | | SCAC4 |
| 11 | LRCK | LARICKS TOWING INC | | | SCAC4 |
| 12 | LRCM | LIGHT RIGGING CO | | | SCAC3 |
| 13 | LRCO | LAKE COUNTRY TRANSPORT INC | | | SCAC4 |
| 14 | LRCQ | LRC TRUCKING INC | | | SCAC4 |
| 15 | LRCR | LARSEN, CURTIS L | | | SCAC4 |
| 16 | LRCT | L R C TRUCK LINE | | | SCAC3 |
| 17 | LRCX | Livingston Rebuild Center, Inc. | 1/1994 (not listed); added 1/1997; 7/2000; eliminated 7/2001; 7/2005 (not listed) | | NAKINA |
| 18 | LRCX | Lesh Refining Corp. | 8/1920 | | NAKINA |
| 19 | LRCX | Livingston Rebuild Center, Inc. | 1/94; added 1/97; 7/2000; eliminated 7/2001 | | NRHS |
| 20 | LRCX | *LESH REFINING CORP. | | | PWRC |
| 21 | LRCX | +LIVINGSTON REBUILD CENTER, INC. | | | PWRC |
| 22 | LRCX | Livingston Rebuild Center | | | RSRV |
| 23 | LRCX | LIVINGSTON REBUILD CENTER, INC. | | | SCAC4 |
