| 1 | TWC | Taraz Wings | Callsign: Taraz, | KZ | AVCODES |
| 2 | TWC | Canadian Airways Congo | Callsign: Canair, | RCB | AVCODES |
| 3 | TWCC | TREMONT FINE STAIRWAYS AND RAILINGS | | | SCAC4 |
| 4 | TWCF | TWIN CITY FOODS INC | | | SCAC4 |
| 5 | TWCH | TOWN & COUNTRY DISPOSAL | | | SCAC4 |
| 6 | TWCI | TRADEWIND CARRIERS INC | | | SCAC4 |
| 7 | TWCJ | TRADE WEST CONSTRUCTION INC | | | SCAC4 |
| 8 | TWCK | TWIN CITY TRUCKING & SEPTIC TANK SE | | | SCAC4 |
| 9 | TWCL | TOWN & COUNTRY OIL CO | | | SCAC4 |
| 10 | TWCM | TAPLOW FEEDS FIRSTMATE PET FOODS | | | SCAC4 |
| 11 | TWCN | TWO FIVE TWO SEVEN-TWO EIGHT TWO FO | | | SCAC4 |
| 12 | TWCP | TWIN CITIES SERVICES INC | | | SCAC4 |
| 13 | TWCS | TWIN CITY TRANSPORT LLC | | | SCAC4 |
| 14 | TWCU | THRU-WORLD COMPANY LIMITED | | HK | BIC |
| 15 | TWCU | THRU WORLD COMPANY LIMITED | | | SCAC4 |
| 16 | TWCX | The Wash.-Co. Alfalfa Milling Co. | 8/1920 | | NAKINA |
| 17 | TWCX | Taylor Wharton Cryogenics, a Division of Harsco Corp. | 7/2005 (not listed) | | NAKINA |
| 18 | TWCX | *WASHINGTON COUNTY ALFALFA MILLING CO. | | | PWRC |
| 19 | TWCX | +TW CRYOGENICS, LLC (TAYLOR WHARTON CRYOGENICS, DIV. HARSCO CORP.) | | | PWRC |
