 | HAUK SVEINSSON AS | 976252713 | SKIEN |
| HAVÅG BYGG AS | 974481464 | ULSTEIN |
| HÅVARDSHOLM MASKIN AS | 925305405 | SVEIO |
| HÅVARD SLETTEN | 970041591 | GJØVIK |
| HAV ELEKTRO AS | 998853710 | AUSTEVOLL |
| HAVERSTAD ENTREPRENØR AS | 938236194 | SØR-FRON |
| HAVERSTAD GRAVESERVICE AS | 926454994 | SØR-FRON |
| HAVIG & ELLINGSEN ENTREPRENØR AS | 998583977 | ENEBAKK |
| HAVNEN ANLEGG AS | 998254981 | SOGNDAL |
| HAW ANLEGG AS | 997389484 | TRONDHEIM |
| HAW ENTREPRENØR AS | 879621992 | TRONDHEIM |
| HB BYGGENTREPRENØR AS | 933915832 | AURSKOG-HØLAND |
| HB BYGG & TØMRERSERVICE AS | 998026377 | BÆRUM |
| H BERGENE AS | 930725374 | ØVRE EIKER |
| HB KULDETJENESTE AS | 995138395 | SARPSBORG |
| HBP PROSJEKT AS | 821069572 | HORTEN |
| HBV BETONG AS | 986556478 | SUNNFJORD |
| H-BYGG AS | 942687168 | MELHUS |
| HD ARKITEKTER AS | 877470962 | OSLO |
| H. DJØNNE MASKIN | 931718754 | STRAND |
| HD PLAN & ARKITEKTUR AS | 916109474 | FLATANGER |
| HEAD ENERGY BRANNCON AS | 993230537 | SANDNES |
| HEAD ENERGY UP AS | 925044229 | BERGEN |
| HEAT ARKITEKTER AS | 999306233 | TRONDHEIM |
| HEATING. AS | 927535238 | OSLO |
| HEB ENTREPRENØR AS | 914075424 | HORTEN |
| HEBNES TRE AS | 943105111 | SULDAL |
| HEDALEN BYGGSERVICE AS | 996156397 | HORTEN |
| HEDALM ANEBYHUS AS | 975384365 | STANGE |
| HEDDA HYTTER AS | 983532306 | SØR-AURDAL |
| HEDENGREN SECURITY AS | 998845742 | LIER |
| HEDMARK RØR AS | 833036882 | HAMAR |
| HEEN ENERGI AS | 914156440 | DRAMMEN |
| HEFF BYGG AS | 922772142 | NORDRE FOLLO |
| HEFØ BYGG AS | 999574874 | ASKØY |
| HEGGELIEN OPPMÅLING AS | 995602784 | NORE OG UVDAL |
| HEGGELUND BYGG AS | 926642782 | RINGSAKER |
| HEGGELUND & KOXVOLD AS | 934387651 | OSLO |
| HEGGERUDSTAD MASKIN AS | 920286364 | RINGERIKE |
| HEGGLAND BYGG AS | 998284228 | ARENDAL |
| HEGNA TRANSPORT AS | 968951610 | ASKER |
| HEGRA BYGG AS | 983357873 | STJØRDAL |
| HEIBERG & TVETER AS | 985767297 | DRAMMEN |
| HEIBL ENTREPRENØR AS | 918773096 | VINJE |
| HEIDAL LAFT OG TRADISJONSBYGG AS | 998297087 | SEL |
| HEIDAL MASKINSERVICE AS | 923394354 | SEL |
| HEIDELBERG MATERIALS PREFAB NORGE AS | 971507837 | MOSS |
| HEIEN BYGG | 916789076 | VOSS |
| HEIMDAL & FEHR AS | 927729768 | ÅS |
| HEIMDAL INDUSTRISERVICE AS | 971230177 | TRONDHEIM |