| Coffee Tellers Co AB | Norrköping | 0 tkr |
| Coffert i Motala AB | Motala | 0 tkr |
| Cognible AI Sweden AB | Linköping | 0 tkr |
| Cognise AB | Linköping | 0 tkr |
| Cognita Fastigheter AB | Norrköping | 0 tkr |
| COINiD AB | Linköping | 0 tkr |
| COJ Invest AB | Kolmården | 0 tkr |
| Coldman Invest AB | Linköping | 0 tkr |
| Cold Water Storytelling CWS AB | Motala | 0 tkr |
| Colead Kee Consultant Sverige AB | Norrköping | 0 tkr |
| Colicent Holding AB | Åby | 0 tkr |
| Collin & Co Family Office AB | Norrköping | 0 tkr |
| Colmec Polen Däckservice AB | Norrköping | 0 tkr |
| Com 4 solutions Aktiebolag | Linköping | 0 tkr |
| Comena Fastigheter AB | Norrköping | 0 tkr |
| Comlab AB | Linköping | 0 tkr |
| Commondor Holding AB | Norrköping | 0 tkr |
| Comnisens AB | Linköping | 0 tkr |
| com-onweb International AB | Linköping | 0 tkr |
| Complete Produktion Linköping AB | Linköping | 0 tkr |
| Computer Intergrated Manufactoring System Motala Aktiebolag | Mölnlycke | 0 tkr |
| Computer 'n' Ranch i Linköping Aktiebolag | Bestorp | 0 tkr |
| COMWALL AB | Motala | 0 tkr |
| Conage AB | Norrköping | 0 tkr |
| ConBri i Finspång AB | Finspång | 0 tkr |
| Concept Group i Sverige AB | Norrköping | 0 tkr |
| Conducta AB | Linköping | 0 tkr |
| Confusion Holding AB | Norrköping | 0 tkr |
| Conjo AB | Mjölby | 0 tkr |
| Conlega Development AB | Norrköping | 0 tkr |
| Conlega Holding AB | Norrköping | 0 tkr |
| Conlega Klinga Park Produktion AB | Stockholm | 0 tkr |
| Conlega Ljura AB | Stockholm | 0 tkr |
| ConNova Holding AB | Motala | 0 tkr |
| Conspersa AB | Mjölby | 0 tkr |
| Construction of M AB | Linköping | 0 tkr |
| Conversant Holding AB | Norrköping | 0 tkr |
| Coolinwester AB | Svärtinge | 0 tkr |
| Coral Finance Consulting AB | Motala | 0 tkr |
| Cordicity AB | Linköping | 0 tkr |
| Correcture Games AB | Norrköping | 0 tkr |
| Corrigere Invest AB | Linköping | 0 tkr |
| Corsa Invest AB | Jönköping | 0 tkr |
| Cosin Konsult AB | Västerås | 0 tkr |
| Cosmic Frontier AB | Linköping | 0 tkr |
| Cost Solutions Sweden AB | Linköping | 0 tkr |
| Couloir Poubelle Lindevall AB | Linköping | 0 tkr |
| Crandon Dave Holding AB | Stockholm | 0 tkr |
| CREADI AB | Linköping | 0 tkr |
| CREAL INVEST AB | Norrköping | 0 tkr |