| 1 | TRCX | Thomas Ruddy Co. | 8/1920 | | NAKINA |
| 2 | TRCX | Texas Refining Co. | 7/1937-4/1938 | | NAKINA |
| 3 | TRCX | North American Car Corp. | added 7/1956; 10/1957-7/1965; eliminated 10/1965 | | NAKINA |
| 4 | TRCX | Treco Sales, Inc. | added 10/1975; 1/1980; eliminated 1/1992 | | NAKINA |
| 5 | TRCX | Tri-County Commuter Rail Authority | 7/2000-7/2005 (not listed) | | NAKINA |
| 6 | TRCX | Texas Refining Co. | Apr-38 | | NRHS |
| 7 | TRCX | North American Car Corp. | added 7/56; 10/57-7/65; eliminated 10/65 | | NRHS |
| 8 | TRCX | Treco Sales, Inc. | 1/80; eliminated 1/92 | | NRHS |
| 9 | TRCX | Tri-County Commuter Rail Authority | Jul-00 | | NRHS |
| 10 | TRCX | *THOMAS RUDDY CO. | | | PWRC |
| 11 | TRCX | *TEXAS REFINING CO. | | | PWRC |
| 12 | TRCX | *TRECO SALES, INC. | | | PWRC |
| 13 | TRCX | *RETIRED 02-25-92 ATP (1619) [NORTH AMERICAN CAR CORP.] | | | PWRC |
| 14 | TRCX | *TRI-COUNTY COMMUTER RAIL AUTHORITY | | | PWRC |
| 15 | TRCX | +SOUTH FLORIDA REGIONAL TRANSPORTATION AUTHORITY | | | PWRC |
| 16 | TRCX | Tri-Rail | | | RSRV |
| 17 | TRCX | SOUTH FLORIDA REGIONAL TRANSPORTATI | | | SCAC4 |
| 18 | TRCX | Tri-County Commuter Rail Authority | | USA | TRAFFIC |