| Company name | Reg. code |
|---|---|
| PIPUNE OÜ kustutatud | 12659320 |
| PIPPEN OÜ kustutatud | 11284555 |
| PIPENET OÜ | 11378760 |
| PIPEONE OÜ kustutatud | 16323082 |
| PIPEXE OÜ | 17216141 |
| PIPORE OÜ | 14749300 |
| HV PIPING OÜ | 14676669 |
| PIPENET INFRA OÜ | 16436455 |
| AG PIPING OÜ | 16263210 |
| PIPE OÜ | 14898849 |
| PIPU OÜ | 11918178 |
| LAITSE INDUSTRY PIPING OÜ | 16154544 |
| XRS PIPE OÜ (former name Raixmet OÜ) | 12887830 |
| PIPE-S OÜ | 14369625 |
| PIPE INVEST OÜ kustutatud | 11149353 |
| PIPE.WELDERS OÜ | 12214388 |
| WW PIPE OÜ (former name TradeUno OÜ) | 14135376 |
| PIPE-TECH OÜ | 12503031 |
| PIPE INFRA OÜ | 14094594 |
| N PIPE OÜ | 16918438 |
| GLOBAL PIPE OÜ | 12951019 |
| PIPE STANDART OÜ | 11887058 |
| PIPE CONSULT OÜ | 14862254 |
| TS PIPE OÜ | 14582773 |
| X-PIPE OÜ | 16595403 |
| PIPE PERFORMANCE OÜ | 16398424 |
| BIG PIPE OÜ | 17454308 |
| TAWASTIA PIPE OÜ kustutatud | 11513665 |
| ULTRA PIPE OÜ kustutatud | 12191361 |
| LVI PIPE OÜ kustutatud | 16497474 |
| GT PIPE OÜ | 17010244 |
| PIPE EXPERT OÜ kustutatud | 11470766 |
| ENERGY PIPE OÜ | 14026345 |
| VIVA PIPE OÜ | 14589309 |
| PIPE TOOLS OÜ | 12446965 |
| POWER PIPE OÜ | 10907289 |
| PIPE SERVICE OÜ | 12711373 |
| SR-PIPE OÜ | 14416709 |
| PIPE STONE OÜ | 12842394 |
| DATA PIPE OÜ kustutatud | 12641201 |
| F-PIPE OÜ kustutatud | 11370355 |
| PLASTIC PIPE MOBILE OÜ kustutatud | 12901145 |
| MR-PIPE WELDING OÜ kustutatud | 12193623 |
| T&M PIPE OÜ | 17469563 |
| PIPE&VESSELD WELDING OÜ | 12614061 |
| INNOVATIVE PIPE SOLUTION OÜ kustutatud | 12030526 |
| AV PROSESS PIPE OÜ kustutatud | 12284043 |
| LINK-PIPE BALTICA OÜ | 11700114 |
| PIPE RENOVATION SYSTEMS OÜ kustutatud | 12881554 |
| THE PIPE COMPANY OÜ | 14807338 |