| Ettevõtte nimi | Reg. kood |
|---|---|
| WELDLINE OÜ (endine nimi XL TRANS OÜ) | 12060607 |
| WELDDONE OÜ | 17169105 |
| WELLLIFE OÜ | 11050780 |
| WELLLINEN OÜ kustutatud | 14774679 |
| WELDLAND OÜ kustutatud | 10681797 |
| WELLONE OÜ kustutatud | 14238320 |
| WELDING OÜ | 12087791 |
| WELLDONE GLOBAL OÜ | 14773817 |
| WELLDONE SECRET OÜ | 16189655 |
| WELLDONE BALTIC OÜ (endine nimi Digifookus OÜ) | 12226577 |
| WELLDONE WOOD OÜ kustutatud | 11691958 |
| WIRK WELLDONE OÜ kustutatud | 14564338 |
| WELDING NORDICS OÜ kustutatud (endine nimi BOACE Nordics OÜ) | 14078804 |
| WELLING VARAHALDUS OÜ kustutatud (endine nimi Stelling Varahaldus OÜ) | 14058894 |
| WELDING WORKS OÜ kustutatud | 12701446 |
| ALDIKA WELDING OÜ kustutatud | 12149279 |
| WELDING & BORING OÜ kustutatud | 12727606 |
| MEH WELDING OÜ | 12927771 |
| PRIMET WELDING OÜ | 12870410 |
| VVDS WELDING OÜ | 14143826 |
| WELDING MANAGEMENT OÜ | 14417554 |
| STAR WELDING OÜ kustutatud | 11222755 |
| SSK WELDING OÜ | 14330161 |
| GSV WELDING OÜ | 11381206 |
| SAL WELDING OÜ | 16088072 |
| TP WELDING OÜ (endine nimi OpenWeb OÜ) | 11898671 |
| WELDING WORKS OÜ (endine nimi Luger OÜ) | 14811736 |
| ESTFIN WELDING OÜ | 14534490 |
| CUSTOM WELDING OÜ | 16334571 |
| SP WELDING OÜ | 16136434 |
| LT WELDING OÜ | 14768348 |
| VOLKER-WELDING OÜ | 14370019 |
| TKK WELDING OÜ | 17401938 |
| WELDING SOLUTIONS OÜ | 14672660 |
| KOLESNICHENKO WELDING OÜ | 17575791 |
| KOMI WELDING OÜ | 17408509 |
| WELDING GROUP OÜ (endine nimi Osaühing Welding Grupp) | 10577522 |
| WELDING VISION OÜ | 12947710 |
| ALP WELDING OÜ | 12844826 |
| KN-WELDING OÜ | 17022715 |
| WELDING CONSTRUCTIONS OÜ (endine nimi OÜ KURILANE) | 10233596 |
| TEBA WELDING OÜ | 14909719 |
| PLAZMA WELDING OÜ | 12870924 |
| WELDING MEN OÜ | 14626364 |
| 3K WELDING OÜ | 17520034 |
| 6G WELDING OÜ | 17368632 |
| METAL WELDING OÜ | 14153552 |
| BA WELDING OÜ | 16318632 |
| SAK WELDING OÜ | 14601524 |
| FINE WELDING OÜ | 12071943 |