| OILFIELD LIMITED | Private company limited by shares | Dissolved |
| OILFIELD LIMITED | Private company limited by shares | Live |
| DGR OILFIELD LIMITED | Private company limited by shares | Live |
| COMMERCIAL OILFIELD CONSULTANTS (HK) LIMITED | Private company limited by shares | Dissolved |
| INTERPAC OILFIELD LIMITED | Private company limited by shares | Dissolved |
| PACIFIC OILFIELD LIMITED | Private company limited by shares | Dissolved |
| PREMIUM OILFIELD SOLUTIONS LIMITED | Private company limited by shares | Live |
| Poly Oilfield Service Company Limited | Private company limited by shares | Live |
| Lai Fei Te Oilfield Supply and Service Company Limited | Private company limited by shares | Live |
| Oilfield Solutions Limited | Private company limited by shares | Live |
| BetterTec Oilfield Solutions Limited | Private company limited by shares | Dissolved |
| KB OILFIELD SUPPLY COMPANY, LIMITED | Private company limited by shares | Dissolved |
| ABLM OILFIELD EQUIPMENT SUPPLY LIMITED | Private company limited by shares | Live |
| Premium Oilfield Technology Limited | Private company limited by shares | Live |
| Topland Oilfield Machinery Limited | Private company limited by shares | Live |
| TUBULAR OILFIELD SUPPLY CHINA LIMITED | Private company limited by shares | Dissolved |
| KUVER OILFIELDS SUPPLY LIMITED | Private company limited by shares | Live |
| OilfieldSide Limited | Private company limited by shares | Live |