Bedrift K - Billingstad
- Kalklindeskogen AS
- Kitron ASA
- Kanto AS
- Karolan AS
- Kvadrat AS
- Kapi AS
- Kwan AS
- Klafstad AS
- Kobberstad
- Kjeksfabrikken AS
- Kitron AS
- Kvelsrud gård AS
- Krystyna Gwiazdowska
- Kvelsrud gård AS
- Knudsen Revisjonsbyrå AS
- Kreateur Nybø
- Kdo-Import AS
- Kingdon Consulting
- Koret Hmv
- Kursing Bull
- Kløvstad Digital
- Kari Borg
- Karakos Ercan
- Krzysztof Slabon
- Klosterøya Bolig AS
- Kompani Teigen
- Kanto Invest AS
- Kamano Invest AS
- Kanic Invest AS
- Kvik Slependen
- Koret Hmv
- Kristiansand TM
- Kamsvåg Skogtjenester
- K.Tronstad
- Kid Billingstad
- Klungland Åse
- KIWI Billingstad
- Katrina Woldseth
- Karihaugveien 22 AS
- Kongsberg Defence Communication AS
- K Sandell Bygg AB
- Kina Nor Travel AS
- Karna Cecilie Svanemyr
- Karriereveiledning Cathrine Bjordal
- Konsulent Kirsten Follegg
- Kirkegata 29 Sarpsborg AS
- Kværner Brugs Teknologihistorie
- Karin Wang Brustad
- Kommunikasjonsrådgiver Wenche Wærner
- Kokkelimonke Halvor Ehrnst
- Kielland Kyrre Width
- Konsul Magnus Blikstads Stipendiefond
- Konrad Piotr Swierczek Konkursbo
- Konrad Piotr Swierczek Konkursbo
- Kverneland Bil - Billingstad Mazda