| 1 | TLK | Starlink Aviation Inc. | IATA: Q4, Callsign: Starlink, Designator Q4 recalled by IATA | CDN | AVCODES |
| 2 | TLK | Starlink Aviation Inc. | Callsign: Starlink, Designator Q4 recalled by IATA | CDN | AVCODES |
| 3 | TLKB | TERLECKEY BROTHERS | | | SCAC4 |
| 4 | TLKD | TO LO TRUCKING COMPANY INC | | | SCAC4 |
| 5 | TLKE | TALK EXPRESS | | | SCAC4 |
| 6 | TLKF | T & L TRUCKING INC | | | SCAC4 |
| 7 | TLKH | TRANCAL TRUCKING INC | | | SCAC4 |
| 8 | TLKJ | TEMPO LOGISTIK INC | | | SCAC4 |
| 9 | TLKM | TRANSLINK INTERNATIONAL (OVERSEAS) | | | SCAC4 |
| 10 | TLKN | TRADELINK TRANSPORT INC | | | SCAC4 |
| 11 | TLKO | TRAIL LAKE TRANSPORTATION LLC | | | SCAC4 |
| 12 | TLKP | TRANSLINK SHIPPING INC | | | SCAC4 |
| 13 | TLKQ | T & L TRUCKING INC | | | SCAC4 |
| 14 | TLKR | TERRALINK HORTICULTURE INC | | | SCAC4 |
| 15 | TLKX | TUCO, Inc. | eliminated 1/2004; 7/2005 (not listed) | | NAKINA |
| 16 | TLKX | TUCO, INC. | | | PWRC |
| 17 | TLKX | TUCO INC | | | SCAC4 |
| 18 | TLKY | TRANS-LINK LLC | | | SCAC4 |
