| 1 | TCH | TCH of Russian Airlines | IATA: 4T, Callsign: Trans-Charter, Designator 4T recalled by IATA | RUS | AVCODES |
| 2 | TCH | Transcontinental Air WLL | Callsign: Trans Gulf, | BRN | AVCODES |
| 3 | TCH | Transcontinental Air | | | ICAO1 |
| 4 | TCHA | TECHTRAN INC | | | SCAC3 |
| 5 | TCHB | TRANSPORT R CHAMBERLAND (1986) LTD | | | SCAC3 |
| 6 | TCHB | TRANSPORTES DE CARGA HB S A DE C V | | | SCAC4 |
| 7 | TCHC | TILLEY CHEMICAL CO INC | | | SCAC4 |
| 8 | TCHD | TRIPLE C HOLDINGS CORP | | | SCAC4 |
| 9 | TCHE | TECHE PIPE LINE COMPANY | | | SCAC3 |
| 10 | TCHH | TERMOTEC DE CHIHUAHUA SA DE CV | | | SCAC4 |
| 11 | TCHI | TRANSPORTATION CHARTER SERVICES INC | | | SCAC3 |
| 12 | TCHI | TRANSPORTATION CHARTER SERVICES INC | | | SCAC4 |
| 13 | TCHL | TOMASOS (HELLAS) PIRAEUS GREECE | | | SCAC3 |
| 14 | TCHL | TRANSPORT CATHLO INC | | | SCAC4 |
| 15 | TCHM | TCH TRANSPORT CANADA | | | SCAC4 |
| 16 | TCHN | TECHNICAL TRANSPORTERS INC | | | SCAC3 |
| 17 | TCHO | TRANSCOMMERCE HOLDING | | | SCAC3 |
| 18 | TCHO | TRANSPORTES CAMACHO S A DE C V | | | SCAC4 |
| 19 | TCHP | TST TRUCKLOAD EXPRESS (DIV OF TST S | | | SCAC4 |
| 20 | TCHT | TREASURE COAST HORSE TRANSPORTATION | | | SCAC3 |
| 21 | TCHU | TORAN SOLUTION LTD C/O SANTOS CONTAINER LTDA | | BR | BIC |
| 22 | TCHV | TRANSPORTES CHAVEZ | | | SCAC4 |
