| 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 AGDER AS | 927992523 | ARENDAL |
| 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 |
| FOKUS RÅDGIVNING AS | 992072342 | RINGERIKE |
| FOLDAL RØR AS | 997318412 | MOLDE |
| FOLDVIK RØRLEGGERFORRETNING AS | 883361792 | LILLESAND |
| FOLGEFONN ENTREPRENØR AS | 988301418 | ULLENSVANG |
| FOLKESTAD & SVINGEN AS | 980704084 | ASKER |
| FOLLESØ BYGGKONSULENT | 987083441 | BERGEN |
| FOLLO BYGG OG EIENDOM AS | 989532030 | NORDRE FOLLO |
| FOLLO BYGGSERVICE AS | 922169934 | NORDRE FOLLO |
| FOLLOHUS AS | 971647590 | ÅS |
| FOLLO OPPMÅLING AS | 913509331 | VESTBY |
| FOLLO PRODUKTER AS | 986853189 | VESTBY |
| FOLLO PROSJEKT AS | 963058063 | FROGN |
| FOLLO TAK OG VEDLIKEHOLD AS | 879915422 | NORDRE FOLLO |
| FOLLO TAKSERING AS | 915687989 | VESTBY |
| FOLLO UTEMILJØ AS | 924456116 | NORDRE FOLLO |
| FOLLO VANN & VARME AS | 925426261 | NORDRE FOLLO |
| FON ANLEGG AS | 915557368 | SANDEFJORD |
| FØNIKS EIENDOM AS | 925883247 | STAVANGER |
| FØNIX TAK OG BYGG AS | 913298470 | ØYGARDEN |
| FOR ANLEGG AS | 920857523 | NÆRØYSUND |
| FORCES DC AS | 923034714 | OSLO |
| FØRDE BLIKK OG VENTILASJON AS | 919874791 | SUNNFJORD |
| FØRDE BYGGSERVICE AS | 826329912 | SUNNFJORD |
| FORDEGFLIS & BESTCLEANING AS | 927761491 | SULA |