 | HAANDVERKERNE AS | 979440499 | ASKER |
| HAARSTAD ERIK SIVILARKITEKT MNAL | 970277005 | OSLO |
| HAATRE AS | 923931015 | SULA |
| HAAVE GRAVESERVICE AS | 921183143 | NOTODDEN |
| HAB CONSTRUCTION AS | 985386854 | BÆRUM |
| HABEX AS | 912544931 | SIGDAL |
| HABI AS | 967866210 | STAVANGER |
| HÅ BYGGTEKNIKK AS | 912382680 | HARSTAD |
| HADARHUS AS | 892624992 | HAREID |
| HADDING ELEKTRO AS | 912079449 | NESBYEN |
| HADELAND ELEKTRO AS | 992896981 | GRAN |
| HADELAND MASKINDRIFT AS | 991100296 | GRAN |
| HADELAND STÅL OG GIPSMONTASJE AS | 990102600 | LUNNER |
| HADELAND VVS AS | 817887082 | LUNNER |
| HADENE BYGG AS | 916846738 | LUNNER |
| HADSEL BYGG OG VEDLIKEHOLD AS | 986069216 | HADSEL |
| HADSEL MASKIN AS | 964564027 | HADSEL |
| HÆHRE ENTREPRENØR AS | 986420010 | MODUM |
| HÅ ELEMENT AS | 923629211 | HÅ |
| HÆRNES BYGGTJENESTE AS | 970902228 | VESTBY |
| HAFA ELEKTRO AS | 958061838 | LARVIK |
| HAFJELL MASKIN AS | 985369771 | ØYER |
| HAFS ELEKTRO & RØR AS | 934466152 | HYLLESTAD |
| HAFSLO BYGG SERVICE V/KJELL BJØRN NESET | 976265920 | LUSTER |
| HAGA AS | 916774680 | STAVANGER |
| HAGA & BERG ENTREPRENØR AS | 880409972 | OSLO |
| HAGA INSTALLASJON AS | 999544398 | STAVANGER |
| HAGEANLEGG AS | 960571630 | TRONDHEIM |
| HAGELIN BYGGSERVICE AS | 932516063 | ASKØY |
| HAGELSTEEN VVS AS | 999266711 | HOLE |
| HAGE & MASKIN AS | 930181765 | KARMØY |
| HAGEMEISTER RESET BYGG AS | 923029834 | KVINNHERAD |
| HAGEN BYGG AS | 925756741 | ASKER |
| HAGENBYGG AS | 996415899 | OPPDAL |
| HAGEN DAG INGE | 970358870 | HJARTDAL |
| HAGENES AS | 991812474 | BERGEN |
| HAGEN MASKIN AS | 999076890 | ASKER |
| HAGEN OG GODAGER AS | 924824794 | STANGE |
| HAGENS GRAVESERVICE AS | 922693749 | GRAN |
| HAGEN & SØNN AS | 960672739 | HJARTDAL |
| HAGENS RØRSERVICE AS | 976282744 | SØNDRE LAND |
| HAGEN VVS AS | 986789766 | OSLO |
| HAGE OG NATURSTEIN ENTREPRENØREN AS | 992320699 | BJØRNAFJORDEN |
| HAGERUP RØR -OG SVEISETEKNIKK AS | 911619652 | FROSTA |
| HAGET RØRLEGGERBEDRIFT AS | 988411434 | KONGSVINGER |
| HAGLEBU BYGG OG ANLEGG AS | 995561883 | SIGDAL |
| HÅHEIM BYGGDESIGN AS | 927166119 | ÅLESUND |
| HÅHEIM PROSJEKT AS | 984021925 | TØNSBERG |
| HAHVA ANLEGG AS | 834381052 | VESTRE TOTEN |
| HAKADAL BYGG AS | 987652691 | NITTEDAL |