 | FLEKKEFJORD ELEKTRO AS | 958346433 | FLEKKEFJORD |
| FLEKKEFJORD RØR & VARME AS | 914598516 | FLEKKEFJORD |
| FLEKKERØY BYGG AS | 992785284 | KRISTIANSAND |
| FLEKKERØY VVS AS | 976203631 | KRISTIANSAND |
| FLEKSIHUS AS | 929268229 | GRIMSTAD |
| FLEX BYGG AS | 986096108 | BERGEN |
| FLEXIBLE BUILDING SYSTEM NORWAY AS | 922176485 | OSLO |
| FLEXIBLE BUILDING SYSTEMS INTERNATIONAL AS | 828266152 | OSLO |
| FLEXI TAK AS | 928783766 | ØRSTA |
| FLEXIT AS | 926398806 | MARKER |
| FLINK BYGG AS | 930779695 | LILLESTRØM |
| FLINKEFOLK AS | 932562596 | TIME |
| FLIPP EIENDOMSTJENESTER AS | 931508830 | STAVANGER |
| FLIS & BAD AS | 950847808 | LIER |
| FLISEKSPERTEN AS | 990754128 | MOLDE |
| FLISHUSET AS | 970938834 | TROMSØ |
| FLISLEGGER SIMONSEN AS | 922718458 | SANDNES |
| FLISLEGGER TOMAS HOLM AS | 930908487 | SKIEN |
| FLIS OG MURERFIRMA TVERSLAND & CO AS | 916755538 | KRISTIANSAND |
| FLIS- OG MURSERVICE AS | 992436492 | LEVANGER |
| FLM ELEKTRO AS | 822902812 | BERGEN |
| FLO BRANNSIKRING AS | 979582064 | STRYN |
| FLORE ENERGIBYGG AS | 999603386 | BRØNNØY |
| FLORØ BYGG AS | 987470305 | KINN |
| FLORØ MUR OG BETONG AS | 890698832 | KINN |
| FLORVAAG HUS AS | 985215626 | BERGEN |
| FLOVILD ELEKTRO AS | 911728516 | OSLO |
| FLOW ELEKTRO AGDER AS | 927452979 | ARENDAL |
| FLOW ELEKTRO BERGEN AS | 929603672 | BERGEN |
| FLOW ELEKTRO OSLO VEST AS | 927992086 | BÆRUM |
| FLOW ELEKTRO SØR-VEST AS | 927992256 | SANDNES |
| FLOW KLIMA OSLO AS | 929599373 | OSLO |
| FLOW KLIMA TRØNDELAG AS | 927994771 | TRONDHEIM |
| FLOW MEISINGSET VVS AS | 917921490 | BÆRUM |
| FLOW TRØNDELAG VVS AS | 817921892 | TRONDHEIM |
| FLOW VVS SØR-VEST AS | 929661648 | SANDNES |
| FLØYSAND TAK AS | 892289522 | BJØRNAFJORDEN |
| FLØYSAND VA AS | 987774525 | ALVER |
| FLUSH-VVS AS | 998620635 | OSLO |
| FLYT ARKITEKTUR AS | 998905508 | SANDNES |
| FLYT ENTREPRENØR AS | 911944502 | OSLO |
| FLYTLANDSKAP AS | 929458990 | OSLO |
| FLYT RØR AS | 925439703 | OSLO |
| FMK BYGG OG EIENDOM AS | 998402638 | RINGSAKER |
| FOCUS AS | 919339918 | ASKØY |
| FOCUS ELEKTRO AS | 983939201 | OSLO |
| FOFO AS | 920953034 | OSLO |
| FOGK BYGGMESTER AS | 931580620 | OSLO |
| FOKUS BYGGSERVICE AS | 914196779 | STAVANGER |
| FOKUS ELEKTRO AS | 987650184 | KINN |