| PETROSUPPLY LIMITED | Private company limited by shares | Dissolved |
| PETROTECH OIL AND GAS LIMITED | Private company limited by shares | Dissolved |
| PETROTECH ASIA LIMITED | Private company limited by shares | Live |
| PETROTECH CO., LIMITED | Private company limited by shares | Live |
| OILROAD PETRO-TECH CO., LIMITED | Private company limited by shares | Live |
| PETRO-TECH PERUANA CO., LIMITED | Private company limited by shares | Dissolved |
| PHOENIX PETRO-TECH CO., LIMITED | Private company limited by shares | Dissolved |
| Delta Petrotech Limited | Private company limited by shares | Live |
| H-STAR PETROTECH COMPANY LIMITED | Private company limited by shares | Live |
| PETRO-TECH INNOVATION LIMITED | Private company limited by shares | Live |
| MEECAN PETROTECH LIMITED | Private company limited by shares | Live |
| Sino-Can PetroTech Limited | Private company limited by shares | Live |
| Petro-tech Solutions Limited | Private company limited by shares | Live |
| TORO UCONS PETROTECH LIMITED | Private company limited by shares | Dissolved |
| UNITED PETROTECH LIMITED | Private company limited by shares | Live |
| Petrotek Limited | Private company limited by shares | Live |
| PETROTEK LIMITED | Private company limited by shares | Live |
| PETROTEX CA LIMITED | Private company limited by shares | Live |
| PETROTIME HK LIMITED | Private company limited by shares | Live |
| PETROTIQUE HOLDINGS LIMITED | Private company limited by shares | Live |
| PETROTIQUE INTERNATIONAL LIMITED | Private company limited by shares | Live |
| Petrotique Investments Limited | Private company limited by shares | Live |
| PETROTIQUE FINANCIAL SERVICES LIMITED | | Live |
| PETROTIQUE TRADING COMPANY LIMITED | Private company limited by shares | Live |
| PETROTRANS COMPANY LIMITED | Private company limited by shares | Live |
| PETROTTA COMPANY LIMITED | Private company limited by shares | Live |
| PETROUS INTERNATIONAL LIMITED | Private company limited by shares | Dissolved |
| PETROVAC LIMITED | Private company limited by shares | Dissolved |
| PETROVECTOR ENERGY LIMITED | Private company limited by shares | Live |
| PETROVENT LIMITED | Private company limited by shares | Dissolved |
| PETROWEST PROJECTS LLP CO., LIMITED | Private company limited by shares | Live |
| Petrowest Energy Limited | Private company limited by shares | Dissolved |
| Petroworld Services Limited | Private company limited by shares | Live |
| PetroX HK Limited | Private company limited by shares | Live |
| PETROX ASIA PTY LIMITED | Private company limited by shares | Live |
| PETROXA LIMITED | Private company limited by shares | Dissolved |
| PETROXY MUSTANG LIMITED | Private company limited by shares | Dissolved |
| PETROY LIMITED | Private company limited by shares | Dissolved |
| PetroZion Limited | Private company limited by shares | Live |
| PETRUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PETRUS LIMITED | Private company limited by shares | Dissolved |
| Petrus HK Co Limited | Private company limited by shares | Live |
| Petrus Capital Limited | | Live |
| PETRUS CHEMICALS AND MATERIALS (HK) LIMITED | Private company limited by shares | Live |
| Petrus Corporate Consultancy Limited | Private company limited by shares | Live |
| Canadian Petrus Oil and Gas Hong Kong Limited | Private company limited by shares | Live |
| Petrus Industrial Limited | | Live |
| PETRUS JUVENILE PRODUCTS LIMITED | Private company limited by shares | Dissolved |
| Petrus Asset Management Limited | | Live |
| PETRUS PROPERTIES LIMITED | Private company limited by shares | Dissolved |
| ROCK PETRUS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PETRVS COMPANY LIMITED | Private company limited by shares | Dissolved |
| PETRVS PRODUCTION LIMITED | Private company limited by shares | Dissolved |
| PETS LIMITED | Private company limited by shares | Dissolved |
| X & Y PETS LIMITED | Private company limited by shares | Dissolved |
| ONE PETS COMPANY LIMITED -THE- | Private company limited by shares | Live |
| KF Pets Company Limited | Private company limited by shares | Dissolved |
| BFF Pets Limited | Private company limited by shares | Live |
| INI FOR PETS LIMITED | Private company limited by shares | Live |
| CW PETS Limited | Private company limited by shares | Live |
| QT PETS LIMITED | Private company limited by shares | Live |
| FU FU PETS LIMITED | Private company limited by shares | Live |
| JAI JAI PETS LIMITED | Private company limited by shares | Live |
| PETS COMPANY LIMITED | | Live |
| PETS & PAW Limited | | Live |
| M&W PETS Company Limited | | Live |
| VJ Pets Company Limited | | Live |
| The Pets HK Limited | | Live |
| mo pets Company Limited | | Live |
| HBGH Pets Limited | | Live |
| KOOL FOR PETS LIMITED | Private company limited by shares | Live |
| So Lindo Pets Limited | | Live |
| Nano Pets Limited | | Live |
| PETS PARADISE COMPANY LIMITED | Private company limited by shares | Dissolved |
| Parrot Village & Pets Company Limited | Private company limited by shares | Live |
| PUPPUCCINO PETS LIMITED | Private company limited by shares | Live |
| PETS RESTAURANT LIMITED | Private company limited by shares | Live |
| TRUTH PETS COMPANY LIMITED | | Live |
| PETS2P LIMITED | Private company limited by shares | Live |
| PETSA LIMITED | Private company limited by shares | Dissolved |
| Petsafe Limited | Private company limited by shares | Dissolved |
| PETSBERG LIMITED | Private company limited by shares | Live |
| PetsBrella Limited | Private company limited by shares | Live |
| Trendspark (Pets-care) Limited | Private company limited by shares | Live |
| Petscast Limited | | Live |
| Petscompass Company Limited | Private company limited by shares | Live |
| PETSCOOKIE LIMITED | Private company limited by shares | Live |
| Petsdora (Hong Kong) Company Limited | | Live |
| PetSense Limited | | Live |
| PETSGENIX LIMITED | | Live |
| PetShack Limited | Private company limited by shares | Live |
| PETSHINE (HK) INTERNATIONAL INDUSTRIAL LIMITED | Private company limited by shares | Live |
| PETSHOP GIRLS LIMITED | Private company limited by shares | Dissolved |
| PETSI & CO LIMITED | | Live |
| PETSIO LIMITED | Private company limited by shares | Live |
| Petsion Limited | | Live |
| Petslink Company Limited | Private company limited by shares | Live |
| PETSMART LIMITED | Private company limited by shares | Live |
| PETSMATE MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| Petsmelife Limited | | Live |