| Clean Design IT Sweden AB | Örebro | 0 tkr |
| Cleanica AB | Örebro | 0 tkr |
| Cleverex Holding AB | Örebro | 0 tkr |
| Clever Home International AB | Örebro | 0 tkr |
| Clev Merin Holding AB | Kumla | 0 tkr |
| Clinical innovations & digital solutions (CIDS) AB | Örebro | 0 tkr |
| CL Konsult Partner AB | Örebro | 0 tkr |
| CL Maskin AB | Karlskoga | 0 tkr |
| CNDB Holding AB | Örebro | 0 tkr |
| C Nordling Holding AB | Örebro | 0 tkr |
| Coadeli AB | Örebro | 0 tkr |
| C.O. Einar Invest AB | Örebro | 0 tkr |
| CÖ & GJ Holding AB | Örebro | 0 tkr |
| Cognati Kompetens AB | Örebro | 0 tkr |
| Coinneach AB | Örebro | 0 tkr |
| Collegie AB | Örebro | 0 tkr |
| COLOF AB | Örebro | 0 tkr |
| Columbidae Properties Holding AB (publ) | Ulricehamn | 0 tkr |
| Comelektronik i Örebro Aktiebolag | Örebro | 0 tkr |
| Comet AB | Fjugesta | 0 tkr |
| Common Reve AB | Nacka | 0 tkr |
| Complador AB | Hallsberg | 0 tkr |
| ComSenze AB | Kumla | 0 tkr |
| COMVEST Holding AB | Örebro | 0 tkr |
| Conaxet AB | Motala | 0 tkr |
| CONCESS Profile AB | Östansjö | 0 tkr |
| CONEVER AB | Fjugesta | 0 tkr |
| CONHILL AB | Fjugesta | 0 tkr |
| Conserve AB | Fjugesta | 0 tkr |
| Con Trahere Invest AB | Örebro | 0 tkr |
| Convergentum AB | Örebro | 0 tkr |
| Coo Coo Group AB | Örebro | 0 tkr |
| Cookie Darling AB | Nora | 0 tkr |
| Corporator Invest Aktiebolag | Örebro | 0 tkr |
| C Orrby Holding AB | Örebro | 0 tkr |
| Cortada Holding AB | Örebro | 0 tkr |
| Cortezzo Music AB | Mariestad | 0 tkr |
| Costa Calida Fastigheter AB | Pålsboda | 0 tkr |
| Coucourse Teknik Holding AB | Hisings Backa | 0 tkr |
| CPA Projekt Partner i Mälardalen AB | Lindesberg | 0 tkr |
| Craftfulness AB | Odensbacken | 0 tkr |
| Crafty Ducks AB | Örebro | 0 tkr |
| Crilles VS Konsult Aktiebolag | Örebro | 0 tkr |
| Crishel AB | Lindesberg | 0 tkr |
| Crona Clinic AB | Örebro | 0 tkr |
| CR Power Consult AB | Fjugesta | 0 tkr |
| Crusta Invest AB | Örebro | 0 tkr |
| CS Förvaltning Örebro AB | Örebro | 0 tkr |
| C Sharp 7 AB | Åmmeberg | 0 tkr |
| C Sjödahl Konsult i Örebro AB | Örebro | 0 tkr |