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| FINNSNES RØR OG ELEKTRO AS | 912190722 | SENJA |
| FINN-TORE JENSEN | 924615966 | VESTVÅGØY |
| FINSÅDAL BYGG AS | 989894994 | KRISTIANSAND |
| FINSTAD & JØRGENSEN AS | 922622590 | ASKER |
| FIRE-E AS | 828747622 | KONGSBERG |
| FIREFLY AS | 912196410 | BÆRUM |
| FIREFRONT AS | 932740095 | KONGSVINGER |
| FIRESAFE AS | 958249799 | LØRENSKOG |
| FIRING & THORSEN AS | 986237356 | HORTEN |
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| FIX RØR AS | 999551416 | NORDRE FOLLO |
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| FJELDÅSHEIM & NILSEN AS | 911922347 | OSLO |
| FJELD HÅNDVERK AS | 822674682 | AURSKOG-HØLAND |
| FJELDHEIM ANLEGG AS | 914385776 | KONGSBERG |
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| FJELDSETH AS | 939351191 | TRONDHEIM |
| FJELLBORG ENTREPRENØR AS | 917992924 | LYNGDAL |
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| FJORDEN RØRLEGGERSERVICE AS | 930048151 | SANDEFJORD |
| FJORDEN VVS AS | 999161995 | HVALER |