| 1 | LCH | Lynch Flying Service, Inc. | Callsign: Lynch Air, | USA | AVCODES |
| 2 | LCH | Lynch Flying Service | | | ICAO1 |
| 3 | LCH | Logistic Center Hungária Kft. | | HU | VKM |
| 4 | LCHA | LA CHATARRA | | | SCAC4 |
| 5 | LCHD | LAKE CHARLES HARBOR DISTRICT | | | PWRC |
| 6 | LCHE | LARSEN, CHARLES E | | | SCAC3 |
| 7 | LCHF | LITCHFIELD SHIPPING SERVICES | | | SCAC4 |
| 8 | LCHI | LEASEWAY OF CHICAGO INC | | | SCAC3 |
| 9 | LCHI | LEON CHAVEZ, J RAUL | | | SCAC4 |
| 10 | LCHM | LEACH MANUFACTURING COMPANY INC | | | SCAC3 |
| 11 | LCHN | LECHNER, JOSEPH CHARLES | | | SCAC3 |
| 12 | LCHN | LACHANCE, CLAUDE TRANSPORT INC | | | SCAC4 |
| 13 | LCHO | LATCH OIL INC | | | SCAC4 |
| 14 | LCHQ | LYNCH, T F CARTAGE | | | SCAC3 |
| 15 | LCHS | L.C. SHIPPING INC | | | SCAC3 |
| 16 | LCHS | LONERGAN MOTOR COACH INC | | | SCAC4 |
| 17 | LCHV | LOS CHIVITOS TRUCKING (MX-370034) | | | SCAC4 |
| 18 | LCHX | LCP Transportation Inc. | added 10/1990; 1/1994; eliminated 4/1995; 7/2000-7/2005 (not listed) | | NAKINA |
| 19 | LCHX | LCP Transportation Inc. | added 10/90; 1/94; eliminated 4/95; 7/2000 | | NRHS |
| 20 | LCHX | *LAPORTE COUNTY HISTORICAL STEAM SOCIETY, INC. | | | PWRC |
| 21 | LCHX | *LCP TRANSPORTATION, INC. | | | PWRC |
| 22 | LCHX | LCP Transportation | | | RSRV |
| 23 | LCHY | LAUFER CUSTOM HAY INC | | | SCAC4 |
