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| HALLINGDAL ENTREPRENØR AS | 912661733 | NITTEDAL |
| HALLINGDAL HYTTESERVICE AS | 941900399 | ÅL |
| HALLINGDAL MURERFORRETNING AS | 985241708 | NESBYEN |
| HALLINGDAL VARME & SANITÆR AS | 950363576 | NESBYEN |
| HALLING KONSULT AS | 958354622 | FLÅ |
| HALLINGLAFT AS | 916509871 | GOL |
| HALLINGNATTEN AS | 989309285 | OSLO |
| HALLMAKER AS | 937920040 | BÆRUM |
| HALLSPESIALISTEN AS | 992621451 | TRONDHEIM |
| HALLSTEIN AS | 917609764 | OSLO |
| HALLVARD HUSE AS | 914149304 | AUKRA |
| HÅLOGALAND ELEMENT AS | 980897915 | ANDØY |
| HÅLOGALAND TAKSTFORRETNING | 895234222 | EVENES |
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| HALTI RØR AS | 929412133 | NORDREISA |
| HALVDAN SALOMONSEN ANLEGG AS | 980195864 | ASKER |
| HALVORSEN & REINE AS | 879421322 | DRAMMEN |
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| HALVORSLI FJELL OG GRUNN AS | 934355733 | PORSGRUNN |
| HALVOR SVEISTRUP AS | 993334618 | AURSKOG-HØLAND |
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| HAMAR & VIKESÅ BYGG AS | 981915828 | LUND |
| HÅ MASKIN AS | 998214106 | MIDT-TELEMARK |
| HAMBORG'S SNEKKERI AS | 998367794 | TØNSBERG |
| HAMBRO BYGG AS | 991110860 | VESTRE SLIDRE |
| HAMCO BYGG AS | 922699739 | SENJA |
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