| Cantry AB | Luleå | 0 tkr |
| Cape East drift AB | Piteå | 0 tkr |
| CapHall AB | Luleå | 0 tkr |
| Capiens AB | Luleå | 0 tkr |
| Carapace Holding AB | Södra Sunderbyn | 0 tkr |
| Cardiorent AB | Luleå | 0 tkr |
| CareConsult Sverige AB | Boden | 0 tkr |
| CareifAI Sweden AB | Luleå | 0 tkr |
| Care of it AB | Arvidsjaur | 0 tkr |
| Carina Lundström AB | Jokkmokk | 0 tkr |
| Carler Fastigheter AB | Luleå | 0 tkr |
| Carler Holding AB | Luleå | 0 tkr |
| Carlssons Grävmaskiner AB | Gammelstad | 0 tkr |
| Carlstaden AB | Karlstad | 0 tkr |
| Caroline Bäck AB | Gällivare | 0 tkr |
| Carolin Holding AB | Luleå | 0 tkr |
| Carpix AB | Boden | 0 tkr |
| Cartesian Coordinates AB | Råneå | 0 tkr |
| Cartest Invest Aktiebolag | Arjeplog | 0 tkr |
| Casa di Rut Management Solutions AB | Kalix | 0 tkr |
| Caselem Förvaltning i Boden AB | Boden | 0 tkr |
| Castigo AB | Luleå | 0 tkr |
| Cavemo AB | Gammelstad | 0 tkr |
| CB Fysio AB | Luleå | 0 tkr |
| Cederlundskans filmservice AB | Töre | 0 tkr |
| Cefraz konsult AB | Boden | 0 tkr |
| Cemekon Förvaltning AB | Piteå | 0 tkr |
| CE Norr AB | Piteå | 0 tkr |
| Censéo Aktiebolag | Södra Sunderbyn | 0 tkr |
| Centicon group AB | Luleå | 0 tkr |
| Centrumfastigheter i Boden AB | Boden | 0 tkr |
| Cerebro Services AB | Boden | 0 tkr |
| Certy Academy AB | Malmberget | 0 tkr |
| Cesare AB | Gällivare | 0 tkr |
| Cevius AB | Luleå | 0 tkr |
| C Gröntvedt Holding AB | Luleå | 0 tkr |
| Charm Natural AB | Luleå | 0 tkr |
| Chazzl AB | Luleå | 0 tkr |
| C. Hedman Consulting AB | Kalix | 0 tkr |
| CHES i Norrbotten AB | Älvsbyn | 0 tkr |
| Chillarbay AB | Töre | 0 tkr |
| Chris Alltjänst AB | Grängesberg | 0 tkr |
| Christer Emanuelsson hydraulik AB | Kiruna | 0 tkr |
| Christer Renlund i Piteå AB | Piteå | 0 tkr |
| Christer Sandström Executive Search Trust Aktiebolag | Luleå | 0 tkr |
| Christian Karhu Holding AB | Haparanda | 0 tkr |
| Christins Spartid AB | Piteå | 0 tkr |
| Christoffer Granberg Holding AB | Piteå | 0 tkr |
| Chromatic AB | Luleå | 0 tkr |
| Chronex AB | Luleå | 0 tkr |