 | HELGEVOLD ELEKTRO AS | 986389180 | VINDAFJORD |
| HELGHEIM VVS AS | 820398602 | ØVRE EIKER |
| HELHETSKONTROLL AS | 988979686 | OSLO |
| HELICON AS | 996816079 | KVINESDAL |
| HELLA MASKIN AS | 968658999 | BAMBLE |
| HELLAND BYGG AS | 998849306 | MELHUS |
| HELLAND BYGG OG MASKIN AS | 929155270 | STORD |
| HELLAND ELEKTRO AS | 986751718 | ALVER |
| HELLAND STEEL SOLUTION AS | 985217165 | GJESDAL |
| HELLÅS OG HANDELAND ENTREPRENØR AS | 979749341 | KVINNHERAD |
| HELLBERG & BJERKELI AS | 933557731 | HALDEN |
| HELLDAL AS | 988448540 | TYSNES |
| HELLEBERG MASKIN AS | 922737592 | SOLA |
| HELLEREN & HÅLAND AS | 997887980 | HÅ |
| HELLE SJÅVÅG SIVILARKITEKT MNAL | 987417994 | SELJORD |
| HELLESJØ BYGG ENTREPRENØR AS | 925107506 | AURSKOG-HØLAND |
| HELLING ARKITEKTER AS | 927603292 | OSLO |
| HELLVIK HUS KARMØY AS | 979458177 | KARMØY |
| HELLVIK HUS ØST AS | 985637083 | ULLENSAKER |
| HELLVIK HUS SØR AS | 938181071 | KRISTIANSAND |
| HELLVIK HUS SØR-VEST AS | 967239615 | EIGERSUND |
| HELLVIK HUS TEKNOLOGI OG PRODUKSJON AS | 928470164 | EIGERSUND |
| HELLWIG RØR AS | 915488765 | MOLDE |
| HELMINSEN AS | 911800535 | FREDRIKSTAD |
| HELSEM BYGGTENESTE AS | 931587943 | STRANDA |
| HEL VED BYGG AS | 928131289 | RØROS |
| HEMAR PROSJEKT AS | 914436907 | HARAM |
| HEMAS AS | 974211440 | ASKER |
| HEM BYGGETJENESTER | 985792046 | SANDEFJORD |
| HEMNES MEK VERKSTED AS | 976550420 | HEMNES |
| HEMRE BYGG AS | 979597959 | VOSS |
| HEMSEDAL MASKINLAG AS | 952056743 | HEMSEDAL |
| HEMSEDAL RØRSERVICE AS | 997116445 | HEMSEDAL |
| HENBU AS | 912580628 | ASKØY |
| HENDEN ELEKTRO AS | 993428388 | GLOPPEN |
| HENDRIKS AS | 998466717 | ÅMOT |
| HENDUG BYGG AS | 843582362 | ÅL |
| HENNING LARSEN ARCHITECTS AS | 998701961 | OSLO |
| HENRIK BLEKEN RUD | 981548817 | STANGE |
| HENRIK MASKIN AS | 932611031 | KVAM |
| HENRIKSEN BRENSELFORRETNING OG VARMESENTER AS | 924636734 | FREDRIKSTAD |
| HENRIKSEN BYGG AS | 813694832 | VÅGAN |
| HENRIKSEN HANS | 870251092 | NITTEDAL |
| 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 |