Bedrift K - Malmøya/Ormøya
- Kingbolt AS
- Kjulshagen AS
- Krissil AS
- Kayasandegren Sandegren
- Kruela Film AS
- Knut Koppang
- K-Invest AS
- Katilevicius Augustas
- Koncept AS Konkursbo
- Koncept AS Konkursbo
- Kapazitet Eiendom AS
- Kroos Holding AS
- Krantz Holding AS
- Keo Invest A/S
- Kardiá Oslomet
- Kruse Film
- Korrigan Investment AS
- Kag Holding AS
- Ka Company AS
- Kvamsdal Hope Magnhild
- Kvg Holding Oslo AS
- Kvarme Vedvik Consulting AS
- Kirsten Magnhild Kvamsdal Hope
- K F L Holding AS
- Kikkan Hans C Landstad
- Kraft - Tankesmia for Kunst og Kultur
- Kraft - Tankesmia for Kunst og Kultur