| Just IT Consulting Jatko AB | Luleå | 0 tkr |
| Jutos Fastigheter AB | Korpilombolo | 0 tkr |
| Jutos Holding AB | Korpilombolo | 0 tkr |
| JVA Holding AB | Kalix | 0 tkr |
| K4 Investment AB | Hakkas | 0 tkr |
| Kaamos i Jukkas Aktiebolag | Jukkasjärvi | 0 tkr |
| Kåbdalis Egendom AB | Öjebyn | 0 tkr |
| Kaerr AB | Gällivare | 0 tkr |
| KAFKA Holding AB | Kiruna | 0 tkr |
| Kairi Consulting AB | Luleå | 0 tkr |
| KAJK Holding AB | Kiruna | 0 tkr |
| KAKSIN HEMHJÄLP AB | Övertorneå | 0 tkr |
| Kalasbra Konsult i Luleå AB | Luleå | 0 tkr |
| Kalix Affärsmannen 14 AB | Piteå | 0 tkr |
| Kallax 1 AB | Skellefteå | 0 tkr |
| Kallax Grafiska AB | Luleå | 0 tkr |
| Kallax Industrivision Projektutveckling AB | Luleå | 0 tkr |
| Kallej i Luleå AB | Grillby | 0 tkr |
| Kalle Perssons Byggtjänster AB | Haparanda | 0 tkr |
| Kallfors Investment AB | Piteå | 0 tkr |
| Kallkällkroken Fastigheter AB | Niemisel | 0 tkr |
| Kallkällkroken Holding AB | Niemisel | 0 tkr |
| Kallviken Försäkring i Norrbotten AB | Luleå | 0 tkr |
| Kaloli AB | Piteå | 0 tkr |
| Kammusslan Invest AB | Luleå | 0 tkr |
| Kandhan AB | Överkalix | 0 tkr |
| Kangos Invest AB | Kiruna | 0 tkr |
| Kängsön Invest AB | Råneå | 0 tkr |
| KANIL Holding AB | Luleå | 0 tkr |
| Kani & Salama AB | Uppsala | 0 tkr |
| Kårbacken Holding AB | Boden | 0 tkr |
| Karesuando Bensin AB | Karesuando | 0 tkr |
| Karhuvaara Holding AB | Luleå | 0 tkr |
| Karin Forsman AB | Luleå | 0 tkr |
| Karin Sjöö Åkeblom AB | Luleå | 0 tkr |
| Karin Westerlund AB | Piteå | 0 tkr |
| Karlgrens Förvaltnings Aktiebolag | Gällivare | 0 tkr |
| Karlshäll Mekaniska AB | Luleå | 0 tkr |
| Karlsson & Tiensuu Holding AB | Luleå | 0 tkr |
| Karlsvik Holding AB | Luleå | 0 tkr |
| Karlsvik Marin AB | Luleå | 0 tkr |
| Karppinen Entreprenad i Kiruna AB | Kiruna | 0 tkr |
| Kärrviolen AB | Luleå | 0 tkr |
| Kaskelot medical AB | Stockholm | 0 tkr |
| Katalysa AB | Hortlax | 0 tkr |
| Katobe Invest AB | Norrfjärden | 0 tkr |
| Katrin Bagge AB | Jokkmokk | 0 tkr |
| Katta Holding AB | Härnösand | 0 tkr |
| Kattögla AB | Björna | 0 tkr |
| KAU925 Holding AB | Kiruna | 0 tkr |