 | GAMITA HOLDING AS | 931417754 | DRAMMEN |
| GAMLE 3 HUS AS | 994377205 | BERGEN |
| GAMLEBYEN ARKITEKTER AS | 927656132 | FREDRIKSTAD |
| GAMLEBYEN BLIKK AS | 960011171 | OSLO |
| GAMMEL NOK AS | 999254195 | ASKER |
| GAMMELSÆTER MASKIN AS | 987168706 | HUSTADVIKA |
| GANDRUDBAKKEN MASKIN AS | 917210047 | FLÅ |
| GANGDAL RØYRSERVICE AS | 989513982 | LUSTER |
| GANGSØ BYGG AS | 991109854 | SANDEFJORD |
| GANITT ENTREPRENØR AS | 958672411 | KRAGERØ |
| GANN TRE AS | 979572034 | HÅ |
| GARBERG BYGG AS | 932215829 | TRONDHEIM |
| GARDA ROAD SAFETY AS | 992092742 | DRAMMEN |
| GÅRDEN RØRLEGGERSERVICE AS | 952677004 | BERGEN |
| GARDERMOEN ELEKTRO AS | 991277943 | ULLENSAKER |
| GARD MASKIN AS | 979458355 | STAVANGER |
| GAREN MASKIN AS | 989588621 | EIDFJORD |
| G ARKITEKTER AS | 990735581 | STAVANGER |
| GARRIDO AS | 933936279 | BERGEN |
| GARTHE GRØNTANLEGG AS | 918831223 | RISØR |
| GARTNERHAGEN AS | 918583262 | OSLO |
| GÅSBAKK & SØNNER AS | 952140329 | LIERNE |
| GASS OG RØRSERVICE AS | 914828953 | PORSGRUNN |
| GAST ENTREPRENØR AS | 987627484 | OSLO |
| GAUKEN BYGG AS | 930775762 | SANDNES |
| GAUKSÅS GULVSTØP AS | 926330365 | NORD-FRON |
| GAULDAL BETONG AS | 918500464 | MIDTRE GAULDAL |
| GAULDAL BYGG AS | 918004726 | MELHUS |
| GAULDAL GRAVETJENESTER AS | 930216631 | MELHUS |
| GAUNDAL BYGGSERVICE AS | 922852766 | STEINKJER |
| GAUSDAL RØR AS | 936178561 | LILLEHAMMER |
| GAUSTAD MASKIN Geir Henning Gaustad | 981439007 | BERGEN |
| GAUSTATOPPEN HYTTEGREND AS | 990482136 | TINN |
| GAUTESTAD TAKST OG KONSULT AS | 999329543 | EVJE OG HORNNES |
| GAVLEN MASKIN OG BYGG AS | 918164634 | ØYGARDEN |
| GBA BYGG AS | 915538932 | DRAMMEN |
| GB BYGG AS | 994509195 | GJESDAL |
| GBE BYGG AS | 927174146 | OSLO |
| GB RØRLEGGERMESTER AS | 989339060 | GRAN |
| GB RØR & VARMETEKNIKK AS | 931432486 | LARVIK |
| GBS ENTREPRENØR AS | 976926250 | KVAM |
| GBS PRODUKTER AS | 982328756 | ASKER |
| GB STORD AS | 985057907 | STORD |
| G-BYGG AS | 951360759 | HEIM |
| G CONSULT Vidar Gunnulfsen | 981911652 | SKIEN |
| GECOM AS | 937227558 | HORTEN |
| G & E ENTREPRENØR AS | 990427208 | INDERØY |
| GEFO RØRSERVICE AS | 890167772 | BERGEN |
| GEILO SNEKKERLAG AS | 995152088 | HOL |
| GEIR FLATNES AS | 915305148 | SVEIO |
| GEIR J. DAHLE AS | 998006414 | OPPDAL |
| GEIR PEDERSEN | 984984480 | ASKER |
| GEIR SANDAL AS | 978620779 | KINN |
| GEIR SVENDSEN ENTREPRENØR AS | 976160835 | ALTA |
| GEITHUS VVS AS | 980897052 | VIK |
| GELIN MASKIN AS | 911711516 | ASKØY |
| GEO BODØ AS | 926552112 | BODØ |
| GEOENERGI AS | 936597157 | KRØDSHERAD |
| GEOFORM AS | 918883568 | BERGEN |
| GEO FUNDAMENTERING & BERGBORING AS | 926836854 | OSLO |
| GEO HÅLOGALAND AS | 935772427 | TJELDSUND |
| GEOINGENIØRENE AS | 980716694 | TØNSBERG |
| GEOKONSEPT AS | 930011940 | OSLO |
| GEOLOFOTEN AS | 985606633 | VESTVÅGØY |
| GEO MØRE AS | 921116977 | TINGVOLL |
| GEO NORWAY AS | 930792829 | BÆRUM |
| GEOPLAN 3D AS | 979479204 | ØSTRE TOTEN |
| GEO PRO VEST AS | 921587317 | SUNNFJORD |
| GEORG ØYE ARKITEKTKONTOR AS | 968848275 | SURNADAL |
| GEOSENSE SA | 994503324 | ØSTRE TOTEN |
| GEO SOLUTION AS | 920972217 | OSLO |
| GEOTEKNIA AS | 933134334 | OSLO |
| GEOTEKNIKER AS | 933698343 | OSLO |
| GEOTEKNIKK ANLEGG AS | 928207897 | SARPSBORG |
| GEOTEKNIKK AS | 917748306 | SARPSBORG |
| GERO Geir Ropstad | 987466278 | KRISTIANSAND |
| GERT GILL AS | 993366323 | STAVANGER |
| GF-ANLEGG GJERMUND FRORUD AS | 911949768 | SKIPTVET |
| G&G BYGGSERVICE AS | 934561902 | OSLO |
| G&G SNEKKERHUS AS | 921225202 | DRAMMEN |
| GH - BOLIG AS | 989975862 | MOLDE |
| GH BYGG OG STILLASUTLEIE AS | 934272749 | ARENDAL |
| GHF ANLEGG AS | 927362635 | MODUM |
| GHILARDI+HELLSTEN ARKITEKTER AS | 991864857 | OSLO |
| GH MASKIN AS | 917495718 | MOLDE |
| GH PROSJEKT AS | 928595382 | ASKØY |
| GHV AS | 922815038 | KRISTIANSAND |
| GILDE BYGG A/S | 993737771 | OSLO |
| GILDESKÅL GRAVING OG TRANSPORT AS | 913430646 | GILDESKÅL |
| GILJE BETONGSERVICE AS | 923630295 | GJESDAL |
| GINSTATA NORGE AS | 918745459 | VESTBY |
| GIPSLAND AS | 997442970 | STANGE |
| GIPSPLATEMONTASJE AS | 977502187 | EIDSVOLL |
| GISKE ANLEGG AS | 919495928 | GISKE |
| GISKEGJERDE EIENDOM | 988047643 | GISKE |
| GISLEBYE BYGG AS | 876062992 | GRAN |
| GISLE RØR AS | 919722401 | HÅ |
| GISLE SIGDESTAD | 935803810 | RAKKESTAD |
| GITHMARK GRAVING & BRYGGESERVICE AS | 913380789 | LILLESAND |
| GITHMARK SVEIN ARILD | 966708379 | LILLESAND |