Bedrift R - Frogner
- Rahobot
- Refleks AS
- Rørkontroll AS
- Renkyst
- Replace AS
- Rammemann
- Ruge AS
- Rahobot
- Redress AS
- Rikt AS
- Renkyst
- Raastadstykket AS
- Rustad Ole
- Rødsrud Even
- Randi Wilberg
- Romerike Drift AS
- Riise Kunsthandel
- Raidon Holding AS
- Romsaas Litauen AS
- Romerike Grunnboring AS
- Rolstad Invest AS
- Raidon Eiendom AS
- Romerike Grunnboring AS
- Roberts Pinkovskis
- Rosu Construct
- Runeliene Renhold
- Rio Pioner AS
- Ramonas Byggservice
- Renonorden AS Konkursbo
- Renonorden ASA Konkursbo
- Rino Sivathas
- Ristesund Transport
- Robert Tarasevic
- Raivis Mikelsons
- Romerike Grunnboring AS
- Romerike Geolab AS
- Rognerud Eiendom AS
- Rino Falstad
- Renonorden AS Konkursbo
- Renonorden ASA Konkursbo
- Rogoza Production
- Romerike Geoteknikk AS
- Raymond Kristiansen
- Rotnebo Sindre
- Ruud Snekkerverksted
- Rune Løken
- Rizwan Bakhsh
- Riise Consultant
- Romerike Trafikkskole AS
- Raducanu Zuzulica
- Rio Tech AS
- Rufo Innredning AS
- Ruud Snekkerverksted AS
- Roadtech Consulting AS
- Rolf Eivind Johansen
- Romerike Geo Holding AS
- Ruud Invest Frogner AS
- Remi Fladland Holding AS
- RenCon Optimera avd. Oslo
- Ron Daniel Fitness
- Ro Renhold Jakste
- Ride On Gospel
- Rnnr Services Almeida
- Rune Olav Stenslet
- Ruud Eiendom Frogner AS
- Richard Olav Rud
- Radu Hrisca Konkursbo
- Rolling Thunder Norway
- Raggdolls MC Oslo
- Raggdolls MC Oslo
- Rasken Transport Frogner AS
- Ride On Gospel
- Rosenberg Tekst og Dans
- Rios Araya Project & Consulting
- Romerike Plan- og Utbyggingsforum
- R.K Media Kanagalingam
- Rådgiving Olav Gusdal Hansen
- Romerike Plan- og Utbyggingsforum
- Rabalder Barne - og Ungdomsteater
- Ruden Invest V/ Cathrine Ruden Enger
- Ronny Services Ronaldo Enrique Alburquenque Pequeno