| Treeman Enterprise Limited | Private company limited by shares | Live |
| Treeman Investment Limited | Private company limited by shares | Live |
| TREEMAN TRADE LIMITED | | Live |
| HK TREEMASS FOUNDATION LIMITED | Private company limited by shares | Live |
| TREENIC INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Treenov Limited | Private company limited by shares | Live |
| TREEONETECH LIMITED | Private company limited by shares | Live |
| Treepeak Trading Limited | | Live |
| Treepex Company Limited | Private company limited by shares | Live |
| Treeplex Limited | Private company limited by shares | Live |
| TREEPRESS LIMITED | Private company limited by shares | Live |
| Treerl Limited | Private company limited by shares | Live |
| TREES COMPANY LIMITED | Private company limited by shares | Dissolved |
| Two Trees Company Limited | Private company limited by shares | Live |
| SKY TREES LIMITED | Private company limited by shares | Live |
| Big Trees Limited | Private company limited by shares | Live |
| TREES COMPANY LIMITED | | Live |
| BONUM TREES LIMITED | Private company limited by shares | Live |
| Rain Trees Limited | Private company limited by shares | Live |
| Trees Trade Limited | Private company limited by shares | Live |
| TREESAM ELECTRONICS CO., LIMITED | | Live |
| HONGKONG TREESGAME NETWORK TECHNOLOGY LIMITED | | Live |
| TREESON COMPANY LIMITED | Private company limited by shares | Live |
| TREESPEED INTERNATIONAL FREIGHT FORWARDING LIMITED | Private company limited by shares | Live |
| TREESTAR INTERNATIONAL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TREESTREE LIMITED | | Live |
| TREE-STUDIO LIMITED | Private company limited by shares | Dissolved |
| TREESUN INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| Treesymbol Limited | | Live |
| Treeton tech Co., Limited | | Live |
| TREETOP LIMITED | Private company limited by shares | Live |
| TREETTER LIMITED | Private company limited by shares | Dissolved |
| TREEVIEW LIMITED | Private company limited by shares | Dissolved |
| TREEVITIS LIMITED | Private company limited by shares | Live |
| TREEVON LIMITED | Private company limited by shares | Dissolved |
| TREEWALL LIMITED | Private company limited by shares | Dissolved |
| Treewell Technology Co., Limited | Private company limited by shares | Live |
| TREEWELL DEVELOPMENT LIMITED | Private company limited by shares | Dissolved |
| TREEYET COMPANY LIMITED | Private company limited by shares | Dissolved |
| TREEZ LIMITED | Private company limited by shares | Live |
| TREEZERS LIMITED | Private company limited by shares | Live |
| TREFAB Limited | Private company limited by shares | Live |
| TREFENTER TRADING INC LIMITED | Private company limited by shares | Live |
| Treffos Limited | Private company limited by shares | Dissolved |
| Treffos Global Projects Limited | Private company limited by shares | Dissolved |
| TREFIN INTERNATIONAL LIMITED | Private company limited by shares | Live |
| TREFLE ROUGE LIMITED | Private company limited by shares | Live |
| TRE-FLORI COMPANY LIMITED | Private company limited by shares | Dissolved |
| TREFOIL COMPANY LIMITED | Private company limited by shares | Dissolved |
| Trefoil Company Limited | Private company limited by shares | Live |
| TREFOIL TEX CO., LIMITED | Private company limited by shares | Live |
| Trefoil Consulting Engineering Limited | Private company limited by shares | Live |
| TREFOIL ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| TREFORD LIMITED | Private company limited by shares | Dissolved |
| TREFORD ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| TREFORD TRADING LIMITED | Private company limited by shares | Dissolved |
| TREFOREST LIMITED | Private company limited by shares | Dissolved |
| Treforest Consulting Limited | Private company limited by shares | Live |
| TREFORRIS COMPANY LIMITED | Private company limited by shares | Dissolved |
| TREFORWARD LIMITED | Private company limited by shares | Dissolved |
| TREFYNNON LIMITED | Private company limited by shares | Dissolved |
| TREGARON LIMITED | Private company limited by shares | Dissolved |
| TREGEAR LIMITED | Private company limited by shares | Dissolved |
| TREGGAR INVESTMENTS LIMITED | Private company limited by shares | Dissolved |
| TREGONING INVESTMENTS LIMITED | Private company limited by shares | Live |
| TREGONY LIMITED | Private company limited by shares | Dissolved |
| TREGUNTER LIMITED | Private company limited by shares | Live |
| TREGUNTER ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| HUMPHREYS ESTATE (TREGUNTER C) LIMITED | Private company limited by shares | Dissolved |
| HUMPHREYS ESTATE (TREGUNTER B) LIMITED | Private company limited by shares | Dissolved |
| HUMPHREYS ESTATE (TREGUNTER A) LIMITED | Private company limited by shares | Dissolved |
| TREGUNTER INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| TREGUNTER INVESTMENTS (HK) LIMITED | Private company limited by shares | Dissolved |
| TREGUNTER REALTY LIMITED | Private company limited by shares | Live |
| Trehairs Trading Limited | | Live |
| Trehairs (Hong Kong) Trading Limited | | Live |
| TREHK LIMITED | Private company limited by shares | Live |
| Hong Kong Trehon Trading Co., Limited | Private company limited by shares | Live |
| TREHUACO ASIA LIMITED | Private company limited by shares | Dissolved |
| TREIB ELECTRIC CO., LIMITED | Private company limited by shares | Dissolved |
| TREICHVILLE INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| TREISI ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Treize Enterprise Limited | Private company limited by shares | Live |
| TREIZOR LIMITED | Private company limited by shares | Live |
| TREIZORE LIMITED | Private company limited by shares | Live |
| TREK LIMITED | Private company limited by shares | Live |
| WIN TREK COMPANY LIMITED | Private company limited by shares | Live |
| TREK CONSULTING LIMITED | Private company limited by shares | Dissolved |
| Red Rock Trek & Expedition Co Limited -The- | Private company limited by shares | Dissolved |
| FORTUNE TREK LIMITED | Private company limited by shares | Live |
| LONG TREK LIMITED | | Live |
| Fountain Trek Management Limited | Private company limited by shares | Live |
| TREK PRECISION MANUFACTURING LIMITED | | Live |
| PROFITS TREK ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| New Trek Trading Company Limited | Private company limited by shares | Live |
| SPACE TREK TRADING LIMITED | Private company limited by shares | Live |
| CAT TREK WALKING HOLIDAYS CO. LIMITED | Private company limited by shares | Dissolved |
| Trekar Limited | Private company limited by shares | Live |
| TREKASIA LIMITED | Private company limited by shares | Dissolved |
| TrekEdge Commerce Limited | | Live |