| TECO LIMITED | Private company limited by shares | Dissolved |
| TECO LIMITED | Private company limited by shares | Dissolved |
| TECO PTE LIMITED | Private company limited by shares | Dissolved |
| TECO LIMITED | Private company limited by shares | Dissolved |
| TECO ASIA LIMITED | Private company limited by shares | Dissolved |
| TECO (ASIA) LIMITED | Private company limited by shares | Dissolved |
| TeCo Asia Limited | Private company limited by shares | Live |
| JC TECO HK CO., LIMITED | Private company limited by shares | Live |
| TECO HOLDING CO., LIMITED | Private company limited by shares | Live Commenced dormancy on 27-Oct-2015 |
| Shenzhen Teco Optic Co., Limited | Private company limited by shares | Live |
| TECO POWER CO., LIMITED | Private company limited by shares | Dissolved |
| TECO ELECTRIC COMPANY LIMITED | Private company limited by shares | Live |
| TECO ELECTRONIC COMPONENTS COMPANY LIMITED | Private company limited by shares | Dissolved |
| Teco Enterprise Limited | Private company limited by shares | Live |
| TECO ENTERPRISES LIMITED | Private company limited by shares | Live |
| Teco Green Limited | Private company limited by shares | Live |
| TECO INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| NINGBO TECO COMPANY LIMITED | Private company limited by shares | Live |
| TECO OFFICE FURNITURE LIMITED | Private company limited by shares | Live |
| TECO PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| TECO PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| Standard Teco Limited | Private company limited by shares | Live |
| TECO SYSTEMS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECO SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| TECO TECHNOLOGY LIMITED | Private company limited by shares | Live |
| TECO TRADING LIMITED | Private company limited by shares | Dissolved |
| TECOBASE LIMITED | Private company limited by shares | Dissolved |
| TECOBASE DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TECOBEST LIMITED | Private company limited by shares | Dissolved |
| TECOBEST COMPONENTS LIMITED | Private company limited by shares | Live |
| TECOBEST DIGITAL LIMITED | Private company limited by shares | Dissolved |
| TECOBEST ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TECOBEST INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TECOCITY LIMITED | Private company limited by shares | Live |
| TECOCOLOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Tecofei Industrial Co., Limited | Private company limited by shares | Live |
| TECOFORD LIMITED | Private company limited by shares | Live |
| Shanghai Tecoga Co. Limited | Private company limited by shares | Dissolved |
| YIDE TECOHNOLOGY LIMITED | Private company limited by shares | Live |
| TECOJOY INDUSTRIES LIMITED | Private company limited by shares | Live |
| TECOKA COMPANY LIMITED | Private company limited by shares | Live |
| TECOKING ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TECOLA LIMITED | Private company limited by shares | Dissolved |
| TECOLOR INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TECOM LIMITED | Private company limited by shares | Dissolved |
| TECOM GAIN LIMITED | Private company limited by shares | Live |
| Tecom Solutions Limited | | Live |
| TECOMARK DEVELOPMENT LIMITED | Private company limited by shares | Live |
| TECOMAX LIMITED | Private company limited by shares | Dissolved |
| TECOMAX COMPANY LIMITED | Private company limited by shares | Dissolved |
| TECOMED LIMITED | | Live |
| TECON LIMITED | Private company limited by shares | Dissolved |
| TECON ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TECONDRO CO., LIMITED | Private company limited by shares | Live |
| TECONLY TECHNOLOGY (HK) CO., LIMITED | Private company limited by shares | Live |
| TECONN ELECTRONICS (HK) LIMITED | Private company limited by shares | Live |
| TECONN ELECTRONICS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| TECONNEX FUNWICK HOLDINGS LIMITED | Private company limited by shares | Live |
| SQ ELECTRONIC TECONOLOGY LIMITED | Private company limited by shares | Live |
| TECOO LIMITED | Private company limited by shares | Live |
| TECOPA LIMITED | Private company limited by shares | Dissolved |
| TECOPLUS LIMITED | Private company limited by shares | Dissolved |
| TECORICH LIMITED | Private company limited by shares | Live |
| AUS TECORP PTY LIMITED | Private company limited by shares | Live |
| Tecos Technology Company Limited | | Live |
| TECOSHIP LIMITED | Private company limited by shares | Live |
| TECOSTAR COMPANY LIMITED | Private company limited by shares | Live |
| Tecote Co., Limited | Private company limited by shares | Live |
| Tecotech Co., Limited | Private company limited by shares | Live |
| HK TECOU LIMITED | Private company limited by shares | Live |
| TECOWAY MASON CONTRACTORS LIMITED | Private company limited by shares | Dissolved |
| TECOWELL LIMITED | Private company limited by shares | Live |
| TECOWIN LIMITED | Private company limited by shares | Dissolved |
| TECOWISE LIMITED | Private company limited by shares | Live |
| TECOWOOD LIMITED | Private company limited by shares | Dissolved |
| TECOWOOD DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TECOWOOD INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TECOYAMA LIMITED | Private company limited by shares | Dissolved |
| Tecozone Limited | Private company limited by shares | Live |