| GUANGDONG RICHFUL PIPELINES LIMITED | Private company limited by shares | Dissolved |
| CHINA PIPELINES TECHNOLOGY NETWORK COMPANY LIMITED | Private company limited by shares | Live |
| PIPEMART PTE LIMITED | Private company limited by shares | Live |
| PIPER INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| PIPER POINT LIMITED | Private company limited by shares | Dissolved |
| Piper Technologie Limited | Private company limited by shares | Live |
| Piper Trading Limited | Private company limited by shares | Live |
| PIPERNO COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIPERSON LIMITED | Private company limited by shares | Dissolved |
| Pipersong Limited | | Live |
| PIPERSPOOL LIMITED | Private company limited by shares | Dissolved |
| TAI KEE PIPES LIMITED | Private company limited by shares | Live |
| P S P PIPES LIMITED | Private company limited by shares | Dissolved |
| HK NEW CENTURY PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| MAN CHIT PIPES LIMITED | Private company limited by shares | Live |
| kirin pipes co., Limited | | Live |
| XINXING DUCTILE IRON PIPES CO., LIMITED | | Live |
| EAST ASIA PLASTIC PIPES CO., LIMITED | Private company limited by shares | Live |
| Eternal Pipes Limited | Private company limited by shares | Live |
| FU NGAI PIPES FACTORY LIMITED | Private company limited by shares | Dissolved |
| HK BOSS PVC PIPES & FITTINGS MANUFACTORY LIMITED | Private company limited by shares | Dissolved |
| INTERPACIFIC OIL PIPES LIMITED | Private company limited by shares | Live |
| HK JIULONG RIFENG PIPES COMPANY LIMITED | Private company limited by shares | Live |
| ZHEJIANG KINGFUN PIPES LIMITED | Private company limited by shares | Dissolved |
| Pipes in C Major Limited | Private company limited by shares | Dissolved |
| MARBLE PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| WAH TAI PIPES AND MATERIAL COMPANY LIMITED | Private company limited by shares | Dissolved |
| PACIFIC PIPES LIMITED | Private company limited by shares | Dissolved |
| PLASTIC PIPES LIMITED | Private company limited by shares | Live |
| GIO NGAI PIPES PRODUCT LIMITED | Private company limited by shares | Live |
| SHANGHAI AIJIE PIPES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI AIDEKANG PIPES INDUSTRY CO., LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI DIFEILE PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI FIRST GROUP PIPES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI HENGTONG PIPES LIMITED | Private company limited by shares | Live |
| SHANGHAI HENGYU PIPES LIMITED | Private company limited by shares | Live |
| SHANGHAI HUATAI PLASTIC PIPES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RUIJIE PIPES INDUSTRY LIMITED | | Live |
| SHANGHAI JIANNENG PIPES LIMITED | Private company limited by shares | Live |
| SHANGHAI JINCHENG PIPES COMPANY LIMITED | Private company limited by shares | Live |
| SHANGHAI JINCHI RIFENG PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI JINGBA PIPES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI JINYOU PIPES COMPANY LIMITED | Private company limited by shares | Live |
| SHANGHAI KANGQIAO PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI LIANSHUI PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI QIKAI PLASTIC PIPES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI RIFENG PIPES LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI YINGFEITE PIPES TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| SHANGHAI WANTONG PIPES LIMITED | Private company limited by shares | Dissolved |
| HK SHUANGNIU PIPES COMPANY LIMITED | Private company limited by shares | Dissolved |
| PipeScan AI Limited | | Live |
| PIPEWORK OIL INVESTMENT LIMITED | Private company limited by shares | Dissolved |
| ERP Pipeworks Limited | Private company limited by shares | Live |
| WAI YIP MARINE PIPEWORKS LIMITED | Private company limited by shares | Dissolved |
| PIPEWORKS TECHNOLOGY LIMITED | Private company limited by shares | Dissolved |
| PIPEX SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| HK PIPIBA FINERY CO., LIMITED | Private company limited by shares | Dissolved |
| Pipibay.com Limited | Private company limited by shares | Live |
| Korea Pipiduck Co., Limited | Private company limited by shares | Live |
| HONGKONG PIPIJIANG INTERNATIONAL GROUP CO., LIMITED | Private company limited by shares | Live |
| T&F Piping Limited | Private company limited by shares | Live |
| HK PIPING COMPANY LIMITED | Private company limited by shares | Live |
| PIPING HOT LIMITED | Private company limited by shares | Live |
| SF PIPING LIMITED | | Live |
| ASIA PIPING LIMITED | Private company limited by shares | Dissolved |
| PM PIPING CHINA COMPANY LIMITED | Private company limited by shares | Live |
| Georg Fischer Piping Systems Co., Limited | Private company limited by shares | Live |
| MAP PIPING MATERIALS CO., LIMITED | Private company limited by shares | Dissolved |
| PIPLEE PIPING SYSTEMS CO., LIMITED | Private company limited by shares | Live |
| SW PIPING SYSTEM CO., LIMITED | Private company limited by shares | Live |
| GERMANY BARRETT PIPING SYSTERM LIMITED | Private company limited by shares | Live |
| G-Tech Piping Company Limited | Private company limited by shares | Live |
| CHINA HONG KONG XIN RIFENG PIPING LIMITED | Private company limited by shares | Dissolved |
| GERMANY HURNE PIPING SYSTEM CO., LIMITED | Private company limited by shares | Live |
| Koppelaar Piping Limited | | Live |
| ROC MASTER PIPING SOLUTIONS LIMITED | Private company limited by shares | Live |
| SIGMA METALS AND PIPING SYSTEMS LIMITED | Private company limited by shares | Dissolved |
| SINYUAN PIPING LIMITED | Private company limited by shares | Dissolved |
| DC Piping Systems Limited | | Live |
| YT Piping Technology Co. Limited | Private company limited by shares | Live |
| LUSHI PIPING&EQUIPMENT CO., LIMITED | Private company limited by shares | Live |
| PIPISTRELLO LIMITED | Private company limited by shares | Dissolved |
| PIPIT LIMITED | Private company limited by shares | Dissolved |
| PI-PIXEL SOLUTIONS LIMITED | Private company limited by shares | Live |
| PIPO Exhibition Co., Limited | Private company limited by shares | Live |
| PIPOKON INVESTMENT COMPANY LIMITED | Private company limited by shares | Dissolved |
| PIPOLO LIMITED | Private company limited by shares | Live |
| Pippa Limited | Private company limited by shares | Live |
| PIPPIN LIMITED | | Live |
| Pippo Education Limited | Private company limited by shares | Live |
| PIPPO ENTERPRISES LIMITED | Private company limited by shares | Dissolved |
| Paolo Pippo Media Company Limited | Private company limited by shares | Dissolved |
| Pippo International Trading Co., Limited | Private company limited by shares | Live |
| PIPRESS LIMITED | | Live |
| PI-PRO LIMITED | Private company limited by shares | Dissolved |
| PIPRO LIMITED | Private company limited by shares | Live |
| DALIAN PIPRO TECHNOLOGY CO., LIMITED | Private company limited by shares | Live |
| PIPS LIMITED | Private company limited by shares | Live |
| PIPTRADER LIMITED | Private company limited by shares | Dissolved |
| Shenzhen Pipu Lighting Co., Limited | Private company limited by shares | Live |