| Ettevõtte nimi | Reg. kood |
|---|---|
| HAL SERVICE OÜ (endine nimi BoundlessBeauty OÜ) | 11428273 |
| HAL TRAINING AND SERVICE OÜ | 12591897 |
| HAH SERVICE OÜ | 12351130 |
| HALTAR SERVICE OÜ | 17255158 |
| PVC-HALL SERVICE OÜ kustutatud | 12923842 |
| HALIFAX SERVICE OÜ kustutatud (endine nimi Conta Liga OÜ) | 12940895 |
| HALJASTUS SERVICE OÜ | 11006543 |
| PRO LIFT SERVICE OÜ (endine nimi Halleberg OÜ) | 11927259 |
| HALON AND REFRIGERANT SERVICES OÜ | 14550158 |
| BENDING OÜ (endine nimi Building Service HAM OÜ) | 11227238 |