| 1 | TRC | Trans Air Charter, Inc. | Callsign: Tracker, | USA | AVCODES |
| 2 | TRC | Trans Air Charter | | | ICAO1 |
| 3 | TRC | Trona Ry. Co. | 1/1941-1/1980; eliminated 1/1985; 1/1994-7/2005 | | NAKINA |
| 4 | TRC | Trona Ry. Co. | 1/52-1/80; eliminated 1/85; 1/94-7/2000 | | NRHS |
| 5 | TRC | TRONA RAILWAY COMPANY | | | PWRC |
| 6 | TRC | Trona Railway | | | RSRV |
| 7 | TRC | TRONA RAILWAY COMPANY | | | SCAC4 |
| 8 | TRC | Trona Railway | | USA | TRAFFIC |
| 9 | TRCA | TRACTORES Y CAMIONES DE NOGALES SA | | | SCAC4 |
| 10 | TRCC | TEXAS RAILWAY CAR CORP. | | | PWRC |
| 11 | TRCC | TRANSCARE LOGISTICS CORPORATION | | | SCAC4 |
| 12 | TRCE | TRANSPORTES CADY | | | SCAC4 |
| 13 | TRCG | TRANS-CRAFT INC | | | SCAC4 |
| 14 | TRCI | TRI CITY VAN & STORAGE | | | SCAC4 |
| 15 | TRCJ | TRIPLE R METALS | | | SCAC4 |
| 16 | TRCK | TRACK MAKER INC | | | SCAC4 |
| 17 | TRCL | TRINIDAD CORPORATION | | | SCAC1 |
| 18 | TRCM | TRANSCONTINENTAL MARITIME LTD | | | SCAC4 |
| 19 | TRCO | TRI-COUNTY TRANSPORTATION INC | | | SCAC4 |
| 20 | TRCP | TRANSPORT RCB INC | | | SCAC4 |
| 21 | TRCQ | TRANSPORTES CONDESA | | | SCAC4 |
| 22 | TRCR | TRANSCORR LLC | | | SCAC4 |
| 23 | TRCR | Tim Rail Cargo | Real: TRC | RO | TRAFFIC |
| 24 | TRCS | TRACSO | | | SCAC4 |
| 25 | TRCT | TRI-CITY TRANSPORTATION, INC | | | SCAC1 |
| 26 | TRCT | TOLEDO REFINING COMPANY LLC | | | SCAC4 |
| 27 | TRCV | TRI-C VENTURES INC | | | SCAC4 |
| 28 | TRCW | TRAC-WORLD FREIGHT SERVICES INC | | | SCAC4 |
| 29 | TRCX | Thomas Ruddy Co. | 8/1920 | | NAKINA |
| 30 | TRCX | Texas Refining Co. | 7/1937-4/1938 | | NAKINA |
| 31 | TRCX | North American Car Corp. | added 7/1956; 10/1957-7/1965; eliminated 10/1965 | | NAKINA |
| 32 | TRCX | Treco Sales, Inc. | added 10/1975; 1/1980; eliminated 1/1992 | | NAKINA |
| 33 | TRCX | Tri-County Commuter Rail Authority | 7/2000-7/2005 (not listed) | | NAKINA |
| 34 | TRCX | Texas Refining Co. | Apr-38 | | NRHS |
| 35 | TRCX | North American Car Corp. | added 7/56; 10/57-7/65; eliminated 10/65 | | NRHS |
| 36 | TRCX | Treco Sales, Inc. | 1/80; eliminated 1/92 | | NRHS |
| 37 | TRCX | Tri-County Commuter Rail Authority | Jul-00 | | NRHS |
| 38 | TRCX | *THOMAS RUDDY CO. | | | PWRC |
| 39 | TRCX | *TEXAS REFINING CO. | | | PWRC |
| 40 | TRCX | *TRECO SALES, INC. | | | PWRC |
| 41 | TRCX | *RETIRED 02-25-92 ATP (1619) [NORTH AMERICAN CAR CORP.] | | | PWRC |
| 42 | TRCX | *TRI-COUNTY COMMUTER RAIL AUTHORITY | | | PWRC |
| 43 | TRCX | +SOUTH FLORIDA REGIONAL TRANSPORTATION AUTHORITY | | | PWRC |
| 44 | TRCX | Tri-Rail | | | RSRV |
| 45 | TRCX | SOUTH FLORIDA REGIONAL TRANSPORTATI | | | SCAC4 |
| 46 | TRCX | Tri-County Commuter Rail Authority | | USA | TRAFFIC |
| 47 | TRCZ | TRUITT BROTHERS CANNERY | | | PWRC |