| Tyson Developments (Iow) Ltd / TysonDevelopmentsIowLtd |
| Tyson H. Burridge Ltd / TysonHBurridgeLtd |
| Tyson R / TysonR |
| Tyson's (Ships Riggers) Ltd / TysonsShipsRiggersLtd |
| Tyson's Engineering Ltd / TysonsEngineeringLtd |
| Tytan Jetting Ltd / TytanJettingLtd |
| Tytella Ltd / TytellaLtd |
| Tything Sugar Craft Centre / TythingSugarCraftCentre |
| Tyton Design Ltd / TytonDesignLtd |
| Tywi Meats / TywiMeats |
| Tywyn Construction Co / TywynConstructionCo |
| Tyzack Associates Ltd / TyzackAssociatesLtd |
| Tyzack Machine Knives / TyzackMachineKnives |
| Tzedakah Ltd / TzedakahLtd |