 | HENRIKSEN BRENSELFORRETNING OG VARMESENTER AS | 924636734 | FREDRIKSTAD |
| HENRIKSEN BYGG AS | 813694832 | VÅGAN |
| HENRIKSEN HANS | 870251092 | NITTEDAL |
| HENRIKSEN MASKINSTASJON AS | 915758924 | SORTLAND |
| HENRIKSEN VENTILASJON AS | 914884748 | TJELDSUND |
| HENT AS | 990749655 | TRONDHEIM |
| HERDLEVÆR BYGGSERVICE | 971595612 | ALVER |
| HEREID HUS AS | 980386791 | KARMØY |
| HERLAND ENTREPRENØR AS | 913143124 | ØYGARDEN |
| HERLEIF KRISTIANSEN MONTASJETEKNIKK | 929940423 | MELØY |
| HERMAN NILSEN & SØNNER AS | 917889090 | LARVIK |
| HERMANN PEDERSEN | 872410112 | HARSTAD |
| HERMANRUD GRAVESERVICE AS | 926670581 | RINGERIKE |
| HERMANSEN MASKIN AS | 990710430 | HOLMESTRAND |
| HERMES VVS AS | 929092600 | NITTEDAL |
| HERMSTAD AS | 925088013 | MALVIK |
| HEROLF HANSEN & SØNN AS | 980431665 | TROMSØ |
| HERREGÅRDSMUR AS | 994251856 | FREDRIKSTAD |
| HERREMYR GÅRD AS | 992624574 | NES |
| HERSLETH ENTREPRENØR AS | 964602360 | VESTBY |
| HERSTAD ENTREPRENØR AS | 918011420 | INDRE ØSTFOLD |
| HERTZBERG VARMETEKNIKK AS | 914719097 | OSLO |
| HESSELBERGTAK AS | 819156832 | LILLESTRØM |
| HESSELBERGTAK BVT AS | 926799126 | LARVIK |
| HESSENG MASKIN AS | 924759194 | SØR-VARANGER |
| HESTAD BYGG AS | 924755695 | HUSTADVIKA |
| HETLAND AGDER AS | 967353809 | ARENDAL |
| HF ANLEGG AS | 993007382 | ENEBAKK |
| H F ANLEGG OG SKOG AS | 924710446 | AURSKOG-HØLAND |
| H-FASADER GLASSTEAM AS | 912792307 | FREDRIKSTAD |
| H-FASADER STETTE AS | 852072202 | ÅLESUND |
| HF-ENTREPRENØR AS | 917407835 | FREDRIKSTAD |
| HG BYGG AS | 924522356 | LARVIK |
| HG-BYGG AS | 994769170 | KRISTIANSAND |
| HG ELEKTRO AS | 996331393 | HAREID |
| HGN ELEKTRO AS | 919253185 | OSLO |
| H GRANBO VVS AS | 929081323 | TRONDHEIM |
| HGT AS | 947563580 | BERGEN |
| HH BYGG VALDRES AS | 920482899 | SØR-AURDAL |
| H H D BYGG OG BETONG AS | 985574510 | VOSS |
| H-HEMRE BYGGEFIRMA AS | 913786300 | BERGEN |
| H H PROSJEKTASSISTANSE AS | 990602115 | SKIEN |
| HIB BYGG AS | 930175412 | SARPSBORG |
| HI-BYGG AS | 925615617 | ÅLESUND |
| H-I ELEKTRO AS | 977040256 | OSLO |
| HILLE MELBYE ARKITEKTER AS | 929655478 | OSLO |
| HILLESØY BYGGSERVICE AS | 921523831 | TROMSØ |
| HILLE-STRANDSKOGEN ARKITEKTER AS | 991744037 | OSLO |
| HILMATIS AS | 865621132 | ASKER |
| HILSTAD BYGG | 991248250 | ORKLAND |