| Captain Corner AB | Umeå | 0 tkr |
| Caredo AB | Skellefteå | 0 tkr |
| Carib Invest 1 AB | Skellefteå | 0 tkr |
| Carib Invest 2 AB | Skellefteå | 0 tkr |
| Carib Invest 3 AB | Skellefteå | 0 tkr |
| Carib Invest 4 AB | Skellefteå | 0 tkr |
| Carina Karlsson AB | Stockholm | 0 tkr |
| Carina Karlsson Bemanning AB | Stockholm | 0 tkr |
| Carisma invest AB | Stensele | 0 tkr |
| Carlagnes Förvaltnings AB | Skellefteå | 0 tkr |
| CARLEG AB | Umeå | 0 tkr |
| Carlshems Motor AB | Umeå | 0 tkr |
| Carola Björkman Coaching & Events AB | Skellefteå | 0 tkr |
| Caroline Karlsson Holding AB | Täfteå | 0 tkr |
| Casalie AB | Umeå | 0 tkr |
| Cassiopeia Fastighet AB | Kåge | 0 tkr |
| Cast Holding AB | Skellefteå | 0 tkr |
| Castlelake AB | Holmsund | 0 tkr |
| Castomatic Aktiebolag | Lycksele | 0 tkr |
| Cattic Aktiebolag | Umeå | 0 tkr |
| CATTIC HOLDING AB | Umeå | 0 tkr |
| Causa AB | Umeå | 0 tkr |
| CBK Projektledning i Umeå AB | Umeå | 0 tkr |
| CE95 Holding AB | Kåge | 0 tkr |
| CeAx Doc AB | Umeå | 0 tkr |
| Cedelma AB | Falsterbo | 0 tkr |
| Celel Innovations AB | Lärbro | 0 tkr |
| Census Aktiebolag | Umeå | 0 tkr |
| Centrumfastigheter i AC-län AB | Sävar | 0 tkr |
| Cepesa Invest AB | Falsterbo | 0 tkr |
| Cervent AB | Vännäs | 0 tkr |
| CFT Holding AB | Skelleftehamn | 0 tkr |
| CG Finansiell Konsult AB | Skellefteå | 0 tkr |
| Champe AB | Skellefteå | 0 tkr |
| Channel Street Holding Aktiebolag | Skellefteå | 0 tkr |
| Chaoli AB | Skellefteå | 0 tkr |
| Charta i Umeå Förvaltnings AB | Umeå | 0 tkr |
| Chef Ahoy by The Chef AB | Järved | 0 tkr |
| CHellquist Holding AB | Umeå | 0 tkr |
| Chontas Förvaltning AB | Umeå | 0 tkr |
| Christer Albinsson Holding AB | Sävar | 0 tkr |
| Christian Sten AB | Obbola | 0 tkr |
| Christofer Yourstone i Umeå AB | Umeå | 0 tkr |
| Christoffer Forsberg AB | Umeå | 0 tkr |
| Christopher Lundström Förvaltning AB | Skellefteå | 0 tkr |
| Ciamo AB | Skellefteå | 0 tkr |
| Cimatex AB | Skellefteå | 0 tkr |
| Cinox AB | Umeå | 0 tkr |
| Circular Biotech AB | Umeå | 0 tkr |
| Cirkusnöjen i Bjurholm Aktiebolag | Bjurholm | 0 tkr |