 | HAUGES VVS - PROSJEKT AS | 897913852 | SARPSBORG |
| HAUGLAND RUNE O | 870468652 | BJØRNAFJORDEN |
| HAUG LANDSKAP AS | 997392485 | ASKER |
| HAUGLAND VVS AS | 979987900 | VENNESLA |
| HAUGNÆSS AS | 919455314 | MELHUS |
| HAUGO ENTREPRENØR AS | 918099425 | KVITESEID |
| HAUG OG RUUD AS | 913013999 | LILLEHAMMER |
| HAUG OG RUUD VVS AS | 914737613 | LILLEHAMMER |
| HAUKELI HYTTER OG HUS AS | 925186937 | VINJE |
| HAUKELI RØR AS | 912116417 | VINJE |
| 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 | TØNSBERG |
| HB HOLTHER ARKITEKT MNAL AS | 917555230 | OSLO |
| 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 |
| HDJS ENTREPRENØR AS | 935859743 | SARPSBORG |
| 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 |
| HEDMARK ELEMENTMONTASJE AS | 916161328 | ELVERUM |
| 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 |