| 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 |
| Coworking Werket AB | Örebro | 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 |
| CSKAN AB | Karlskoga | 0 tkr |
| Cullbrands Förvaltning AB | Fjugesta | 0 tkr |
| C.W.H. Holding Aktiebolag | Skyllberg | 0 tkr |
| Cyanistes AB | Örebro | 0 tkr |
| Cykel ID Sverige AB | Örebro | 0 tkr |
| Dabboussi Holding AB | Örebro | 0 tkr |
| D.A.C. Holding AB | Vintrosa | 0 tkr |
| Dagdeg Holding AB | Örebro | 0 tkr |
| Dagdeg Tech AB | Örebro | 0 tkr |
| DagMar Group AB | Nora | 0 tkr |
| Dagteamet AB | Örebro | 0 tkr |
| Dahlbergs El & Säkerhet AB | Kumla | 0 tkr |
| Dahlqvist Padel AB | Örebro | 0 tkr |
| Dahlstrom Group Sweden AB | Lysekil | 0 tkr |
| D.aisy AB | Kopparberg | 0 tkr |