| PRIMEWAY CENTURY LIMITED | Private company limited by shares | Live |
| PRIMEWAY AIR CONDITIONING ENGINEERING LIMITED | Private company limited by shares | Live |
| PRIMEWAY ENGINEERING LIMITED | Private company limited by shares | Dissolved |
| PRIMEWAY ENGINEERING LIMITED | Private company limited by shares | Live |
| PRIMEWAY ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| PRIMEWAY INDUSTRIAL LIMITED | Private company limited by shares | Dissolved |
| PRIMEWAY REFRIGERATION ENGINEERING LIMITED | Private company limited by shares | Live |
| PRIMEWAY TECHNOLOGY LIMITED | Private company limited by shares | Live |