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| HAMAR KOMMUNE | 970540008 | HAMAR |
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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 |
| HAMLAGRØ HYTTESERVICE AS | 980707687 | VOSS |
| HAMMAR-KAMERATANE AS | 983091539 | ALVER |
| HAMMERBYGG AS | 924488166 | ASKER |
| HAMMER & ELIASSEN VVS AS | 991937528 | STAVANGER |
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| HAMMERØ BYGG AS | 989253174 | MOLDE |
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| HAMMERTIME BYGG AS | 911873400 | OSLO |
| HAMPEROKKEN AS | 915418589 | TROMSØ |
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| HAMRE ENTREPRENØR AS | 988299995 | SAMNANGER |
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| HAMSTAD AS | 936164226 | TRONDHEIM |
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| HÅNDVERKER HANSEN AS | 997127064 | MOSS |
| HÅNDVERKERIET AS | 945565594 | OSLO |
| HÅNDVERKERNE AS | 933126978 | OSLO |
| HÅNDVERKER SENDYKA AS | 923034307 | OSLO |
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| HÅNDVERKET BYGG OG TØMRERFIRMA AS | 919975474 | BÆRUM |
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| HÅNDVERKSPARTNER AS | 989363476 | OSLO |
| HÅNDVERKSTEKNIKK AS | 971227877 | OSLO |
| HANDYMAN - MARIUSZ Mariusz Andrzej Swiecki | 993833185 | MOSS |
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| HANESETH VVS BODØ AS | 920623689 | BODØ |