| C30 Invest AB | Bergsjö | 0 tkr |
| CAB 20 AB | Gävle | 0 tkr |
| CAB Konsult i Gävle AB | Gävle | 0 tkr |
| Cable Consulting & Services Sweden AB | Hudiksvall | 0 tkr |
| CADCAM-IT i Gävle AB | Gävle | 0 tkr |
| CADcog AB | Gävle | 0 tkr |
| Café Madames Förvaltning AB | Valbo | 0 tkr |
| Cajo i Gävle AB | Gävle | 0 tkr |
| Calesa Invest AB | Sandarne | 0 tkr |
| Calleberg Invest i Gävle AB | Gävle | 0 tkr |
| CALLE PARA TODO AB | Ljusdal | 0 tkr |
| Camberg AB | Delsbo | 0 tkr |
| CAMECO Sandviken Aktiebolag | Årsunda | 0 tkr |
| Cámel Consulting AB | Hudiksvall | 0 tkr |
| Camhel i Gävle AB | Gävle | 0 tkr |
| Campaign Entertainment AB | Backe | 0 tkr |
| Candleholder AB | Delsbo | 0 tkr |
| Canterer AB | Malmö | 0 tkr |
| Capremill Holding AB | Söderhamn | 0 tkr |
| Carapace Byggnadsinformation Aktiebolag | Kungsbacka | 0 tkr |
| Caribbe - Sweden Caribbean Export & Import AB | Hudiksvall | 0 tkr |
| Carina Lindblom Holding AB | Gävle | 0 tkr |
| Carisma Holistic AB | Ljusdal | 0 tkr |
| Carl och Ingalill DB Konsult AB | Gävle | 0 tkr |
| Carlsson & Östberg Consulting Aktiebolag | Gävle | 0 tkr |
| Carmilla Production AB | Gävle | 0 tkr |
| Carperex AB | Kilafors | 0 tkr |
| CaSa Optik AB | Furuvik | 0 tkr |
| Castle Eastmountain AB | Gävle | 0 tkr |
| Cavedo AB | Gävle | 0 tkr |
| Cavibe AB | Gävle | 0 tkr |
| CC Living AB | Gävle | 0 tkr |
| CC Sverin AB | Söderhamn | 0 tkr |
| CECAG AB | Sundsvall | 0 tkr |
| Cecilia Gustafsson AB | Järvsö | 0 tkr |
| CEG Rental AB | Kinna | 0 tkr |
| C. Ekengren AB | Norrala | 0 tkr |
| Celebra Fastighets AB | Sandviken | 0 tkr |
| Celie Ancott Invest AB | Hudiksvall | 0 tkr |
| Celinds Fastigheter AB | Norrala | 0 tkr |
| Celstedt Holding AB | Furuvik | 0 tkr |
| Centrumfastigheter i Gävle AB | Gävle | 0 tkr |
| C Falk Remote Control AB | Hudiksvall | 0 tkr |
| CFB Holding AB | Gävle | 0 tkr |
| C. Gabrielsen Consulting AB | Gävle | 0 tkr |
| CG VVS och skog AB | Delsbo | 0 tkr |
| Chameleon of Sweden AB | Ljusdal | 0 tkr |
| Changemang AB | Gävle | 0 tkr |
| Charlotte Ytterberg AB | Enviken | 0 tkr |
| CH Assistance AB | Bollnäs | 0 tkr |