| Castanum Fastigheter 102 AB | Sundsvall | 0 tkr |
| Castanum Fastigheter AB | Sundsvall | 0 tkr |
| Castanum Projekt 1 AB | Sundsvall | 0 tkr |
| Castanum Projekt AB | Sundsvall | 0 tkr |
| Castrix Invest AB | Kvissleby | 0 tkr |
| Catogra AB | Stöde | 0 tkr |
| C Avehag Invest AB | Sundsvall | 0 tkr |
| Cavetti AB | Sundsvall | 0 tkr |
| C Bystedt Invest AB | Matfors | 0 tkr |
| C Cadkonsult AB | Sundsvall | 0 tkr |
| Cedarbranch AB | Sundsvall | 0 tkr |
| Cederwood AB | Sundsvall | 0 tkr |
| Charles Derek Martin Holding AB | Kovland | 0 tkr |
| Chax Holding AB | Sundsvall | 0 tkr |
| CHBL Holding AB | Timrå | 0 tkr |
| CHJ Holding AB | Sundsvall | 0 tkr |
| Choko i Sundsvall AB | Obbola | 0 tkr |
| Christopher Guldstrand AB | Sundsvall | 0 tkr |
| Citybostäder i Sundsvall AB | Alnö | 0 tkr |
| CJE Holding AB | Sundsvall | 0 tkr |
| Classic Lodging Matfors AB | Indal | 0 tkr |
| Clearsoft AB | Sörberge | 0 tkr |
| Cloudberry Labs AB | Sundsvall | 0 tkr |
| C Mikaelsson Holding AB | Sundsvall | 0 tkr |
| CNyborg AB | Kovland | 0 tkr |
| c/o Berg AB | Sundsvall | 0 tkr |
| Concretium AB | Sundsvall | 0 tkr |
| Connoveaux Holding AB | Sundsvall | 0 tkr |
| Consolidator Invest AB | Stockholm | 0 tkr |
| Contactum i Umeå Aktiebolag | Sundsvall | 0 tkr |
| Contrado Företagsutveckling AB | Sundsvall | 0 tkr |
| Contrado Fusion AB | Sundsvall | 0 tkr |
| Contrado Konsult AB | Sundsvall | 0 tkr |
| Contrado Strategi AB | Sundsvall | 0 tkr |
| Coreum AB | Njurunda | 0 tkr |
| CPP SG66 Holdings AB | Sundsvall | 0 tkr |
| CPR Restaurang AB | Sundsvall | 0 tkr |
| Crave Consulting AB | Sundsvall | 0 tkr |
| Create your 4tune Sweden AB | Sundsvall | 0 tkr |
| Cronje Holding AB | Sundsvall | 0 tkr |
| Cubiq IT Consulting AB | Sundsvall | 0 tkr |
| Dahlberg Invest i Sundsvall AB | Sundsvall | 0 tkr |
| Daima AB | Sundsvall | 0 tkr |
| Dajoo75 AB | Sundsvall | 0 tkr |
| DALL holding Aktiebolag | Liden | 0 tkr |
| Dan Z Invest AB | Täby | 0 tkr |
| Datacraft Holding AB | Sundsvall | 0 tkr |
| DATONE Aktiebolag | Sundsbruk | 0 tkr |
| D Berg Holding AB | Söråker | 0 tkr |
| DBIH AB | Sundsvall | 0 tkr |