| 1 | TNR | Bidzy Ta Hot Aana Native Corporation t/a Tanana Air Service | IATA: 4E, Callsign: Tan Air, IATA Designator changed to Z3. | USA | AVCODES |
| 2 | TNR | Bidzy Ta Hot Aana Native Corporation t/a Tanana Air Service | IATA: Z3, Callsign: Tan Air, IATA Designator changed from 4E*. | USA | AVCODES |
| 3 | TNR | Tanana Air Services | | | ICAO1 |
| 4 | TNR | TennRail Corp. | added 4/1992; 1/1994; eliminated 7/1994 | | NAKINA |
| 5 | TNR | Kansas City Southern Ry. Co. | added 7/1994; 7/2000-7/2005 | | NAKINA |
| 6 | TNR | TennRail Corp. | added 4/92; 1/94; eliminated 7/94 | | NRHS |
| 7 | TNR | Kansas City Southern Ry. Co. | added 7/94; 7/2000 | | NRHS |
| 8 | TNR | KANSAS CITY SOUTHERN RAILWAY COMPANY {TENNRAIL CORP.} | | | PWRC |
| 9 | TNR | Kansas City Southern Railway | | | RSRV |
| 10 | TNR | TennRail Corp. | | USA | TRAFFIC |
| 11 | TNRB | TRANSPORTES R B | | | SCAC4 |
| 12 | TNRE | TRANSPORTES ROLESA SA DE CV | | | SCAC4 |
| 13 | TNRF | TORONTO | | | SCAC4 |
| 14 | TNRG | TAYLOR & ROZIER INC | | | SCAC4 |
| 15 | TNRI | TRANS-NRG INC | | | SCAC4 |
| 16 | TNRM | TNT ROAD COMPANY INC | | | SCAC4 |
| 17 | TNRO | T & R OIL CO INC | | | SCAC4 |
| 18 | TNRT | T&R TRANSIT CO | | | SCAC1 |
| 19 | TNRT | TRIPLE N TRANSPORT INC | | | SCAC4 |
| 20 | TNRU | TECHNOAZOT R&P LTD | | RUS | BIC |
| 21 | TNRV | TRANS SERV ASSOCIATES INC | | | SCAC4 |
| 22 | TNRW | TOPOLA TRANSPORTATION LTD | | | SCAC4 |
| 23 | TNRX | TRINITY RAIL SERVICES | | | PWRC |
| 24 | TNRY | TRUCK N ROLL | | | SCAC4 |
