Firma R - Kjelsås
- Renner AS
- Runes AS
- Rossyhold AS
- Rigvår
- Resulting AS
- Rørpost AS
- Raften AS
- Rørleggerhuset AS
- Ripley AS
- Rinus Invest AS
- Rinus Holding AS
- Rinus Marina AS
- Rehoboth Production
- Ragnhild Henne
- Rokseth Translation
- Reinseth Consulting
- Ringdal Kurs
- Raddatz Services
- Rønningveien Veilag
- Rønning Labs AS
- Rønning Huset
- Rocha Invest AS
- Rønningveien Veilag
- Reprografisk Industri A/S
- Riise Torhild
- Ruv Invest AS
- Rønningen Sportsklubb
- Ryssmo Consulting
- Ringen Utvikling AS
- Rønningen Folkehøgskole
- Rune Pettersen
- Rønneseter Prosjekt AS
- Robert Skotheim
- Ringdal Eiendom AS
- Reklame Consult
- Rav Sira
- Regnskapsbyrå Oslo AS
- Roar Olafsen
- Ringdal Patenter AS
- Renhold Vestre
- Regnskapskontor Oslo AS
- Regnskapsfører Oslo AS
- Ranten Byggherrerådgivning AS
- Rondeslottet Holding AS
- Ranten Byggherrerådgivning AS
- Rational Norge AS
- Renhold Scandia AS Konkursbo
- Rindal Kloster Invest AS
- Rekstad Marine Consulting
- Rolf Barlindhaug Boligmarkedsanalyse
- Rinus Eiendom 27 AS
- Rinus Eiendom 10 AS
- Rinus Invest 2 AS
- Reitan Convenience Norway AS
- Regnskapstjenester Linda Dalen
- Rental Guy - Clausen
- Rema 1000 Kjelsås
- Renhold Scandia AS Konkursbo
- Real Time Information ANS
- Rafael Ezratty Utleie
- Ruth Elizabeth Hypher
- Ruud Arvid Rønsen
- Re. Benjamin Stylings
- Roho Bygg-Holding AS
- Rainbow Reiki Energi
- Randi Røssaak - Sopran
- Remigijus Daminaitis Konkursbo
- Remigijus Daminaitis Konkursbo
- Renata Rybalow Renhold
- Rørlegger Tom Johansen
- Roma Club Norvegia
- Ronja Torrissen Elvenes
- R. H. Montasjeservice Halvorsen
- Roadkill Records Petter Solberg
- Ryddekonsulenten Linn Marie Amundsen
- Reidar Håkonsen & Sønn AS
- Raees Transport Mohammad Riaz Ahmadzai
- Rebecca Linds A New Day
- Rådgivning S. Larssen Ledelse og
- Relasjon og Kommunikasjon Hallan Kommunikasjon
- Risk - Ppg Rune Ingvald Sundland
- Reidar Håkonsen & Sønn Eiendom AS