 | HÅKON VEISTEN | 970016651 | NITTEDAL |
| HÅKON VULLUM | 981481941 | MALVIK |
| HAKO TOTAL AS | 917074275 | HÅ |
| HÅLAND MASKIN AS | 999228917 | LINDESNES |
| HÅLAND MUR OG FLIS AS | 998342422 | HÅ |
| HAL ARKITEKTER AS | 990939640 | OSLO |
| HALDEN BYGDESERVICE SA | 894219262 | HALDEN |
| HALDEN GRAVING & TRANSPORT AS | 932758202 | HALDEN |
| HALDEN RØRLEGGERSERVICE AS | 995653206 | HALDEN |
| HALDORSENS MASKINSTASJON AS | 988115134 | SØR-VARANGER |
| HALFDAN SOLEIM AS | 960863909 | SMØLA |
| HALLAND & FOSSE AS | 925916846 | SVEIO |
| HALLBERG BYGG AS | 930945978 | KRISTIANSAND |
| HALLEM MASKIN Olav Hallem | 954772101 | LEVANGER |
| HALLERAKER RØR AS | 995379155 | VINDAFJORD |
| HALLGEIR SAGMO AS | 991057498 | STEINKJER |
| HALLGEIR TANGEN ANLEGG AS | 930189391 | OSLO |
| HALLGRUPPEN AS | 915846432 | LILLESTRØM |
| HALLINGBYGG AS | 974474867 | ÅL |
| HALLINGDAL BRØNN OG GRAVESERVICE AS | 990649707 | ÅL |
| 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 |
| HALSA BYGG AS | 923150196 | MELØY |
| HALSA MEKANISKE AS | 930563552 | MELØY |
| HALSET ENTREPRENØRSERVICE AS | 993909025 | VIK |
| HALSNE & BÅRDSEN AS | 816553792 | KARMØY |
| HALTI RØR AS | 929412133 | NORDREISA |
| HALVDAN SALOMONSEN ANLEGG AS | 980195864 | ASKER |
| HALVORSEN & REINE AS | 879421322 | DRAMMEN |
| HALVORSEN RØR AS | 975980774 | FLEKKEFJORD |
| HALVORSLI FJELL OG GRUNN AS | 934355733 | PORSGRUNN |
| HALVOR SVEISTRUP AS | 993334618 | AURSKOG-HØLAND |
| HAMAR KOMMUNE | 970540008 | HAMAR |
| HAMA RØRLEGGERSERVICE AS | 922655618 | FREDRIKSTAD |
| 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 |