| Cirkus Berggren AB | Norrköping | 0 tkr |
| Cirkus Svensson AB | Söderköping | 0 tkr |
| CIS - Holding AB | Ängelholm | 0 tkr |
| Citigiro Holding AB | Norrköping | 0 tkr |
| CitiusCare AB | Motala | 0 tkr |
| CityBowl i Sverige AB | Linköping | 0 tkr |
| City-Kej Holding Aktiebolag | Linköping | 0 tkr |
| Citykliniken i Linköping AB | Linköping | 0 tkr |
| Cityrevisorerna i Norrköping AB | Norrköping | 0 tkr |
| Civaro AB | Norrköping | 0 tkr |
| CK Home AB | Linköping | 0 tkr |
| Claes Göran Allmér Förvaltning AB | Södertälje | 0 tkr |
| Clampland AB | Vikingstad | 0 tkr |
| Clappe Byggkonsultation AB | Norrköping | 0 tkr |
| Clara vård AB | Söderköping | 0 tkr |
| Clarberger Holding AB | Vikbolandet | 0 tkr |
| Clarigo Consulting AB | Linköping | 0 tkr |
| Clasim AB | Norrköping | 0 tkr |
| CLASIS AB | Norrköping | 0 tkr |
| Claudia Gullström AB | Linköping | 0 tkr |
| Clauditius AB | Norrköping | 0 tkr |
| CLDF Tinacci Holding AB | Linköping | 0 tkr |
| Cleanavia AB | Linköping | 0 tkr |
| Cleanly Carwash Sweden AB | Söderköping | 0 tkr |
| Clearsight Capital AB | Norrköping | 0 tkr |
| ClimaBed AB | Linköping | 0 tkr |
| CL Kvalitet & Miljö AB | Östra Ryd | 0 tkr |
| CLM i Motala AB | Motala | 0 tkr |
| CloudBackend AB | Linköping | 0 tkr |
| Cloud JS AB | Linköping | 0 tkr |
| Cloudy Skies AB | Linköping | 0 tkr |
| Cluefinder Holding AB | Norrköping | 0 tkr |
| C Lundén AB | Linghem | 0 tkr |
| Clyde Air Aktiebolag | Väderstad | 0 tkr |
| C Magnusson Förvaltning AB | Norrköping | 0 tkr |
| CMED Holding AB | Stockholm | 0 tkr |
| CMJ Automotive AB | Motala | 0 tkr |
| CMJ Entreprenad AB | Motala | 0 tkr |
| CMJ Förvaltning AB | Motala | 0 tkr |
| CMK Krog AB | Motala | 0 tkr |
| C & M Olofsson Holding AB | Norrköping | 0 tkr |
| C & M Olofsson Holding Fastighet nr 1 AB | Norrköping | 0 tkr |
| C & M Olofsson Holding Fastighet nr 2 AB | Norrköping | 0 tkr |
| C & M Olofsson Holding Fastighet nr 3 AB | Norrköping | 0 tkr |
| CMT Smådjursbutiken AB | Söderköping | 0 tkr |
| CMY konsult AB | Norsholm | 0 tkr |
| CN Avefeldt AB | Linköping | 0 tkr |
| CNG Curt Nicolin Gymnasiet Holding AB | Finspång | 0 tkr |
| Cocktails and dreams Hotel AB | Linköping | 0 tkr |
| Code by Charlie AB | Vikingstad | 0 tkr |