| Care4u Invest AB | Sigtuna | 0 tkr |
| Cargo City Arlanda Holding AB | Norrköping | 0 tkr |
| CargoXpress Stockholm AB | Sollentuna | 0 tkr |
| Carlborg Invest AB | Märsta | 0 tkr |
| CARNIFEX AB | Arlandastad | 0 tkr |
| Casa Idiomas AB | Johanneshov | 0 tkr |
| Cashmere House i Sigtuna AB | Sigtuna | 0 tkr |
| Catarina Parkkonen AB | Sigtuna | 0 tkr |
| Catcel fastigheter AB | Täby | 0 tkr |
| CDB AB | Märsta | 0 tkr |
| Cecilia Spinnars AB | Sigtuna | 0 tkr |
| Cerum AB | Sigtuna | 0 tkr |
| Cham1 AB | Sigtuna | 0 tkr |
| Cham2 AB | Sigtuna | 0 tkr |
| Charlie Fastighet AB | Märsta | 0 tkr |
| Chillenne Consulting AB | Ronneby | 0 tkr |
| ChopChop 12 AB | Märsta | 0 tkr |
| ChopChop 13 AB | Märsta | 0 tkr |
| Christian Hjalmarsson Förvaltning AB | Sigtuna | 0 tkr |
| CI Cargo Invest Aktiebolag | Arlandastad | 0 tkr |
| Cico Holding AB | Sigtuna | 0 tkr |
| Circino AB | Arlandastad | 0 tkr |
| Cirrebot Holding AB | Rosersberg | 0 tkr |
| C.Jays express AB | Sala | 0 tkr |
| CJ Marketing WashClean Produkter Aktiebolag | Märsta | 0 tkr |
| CJM Sundell AB | Sigtuna | 0 tkr |
| CK Projektutveckling AB | Arlandastad | 0 tkr |
| Closed AB | Sigtuna | 0 tkr |
| CLX Holding AB | Arlandastad | 0 tkr |
| CoDeep AB | Järfälla | 0 tkr |
| Combico AB | Stockholm | 0 tkr |
| Confer Finans AB | Arlandastad | 0 tkr |
| Consultant Crew Company Sweden AB | Rosersberg | 0 tkr |
| Corp IT Front Consulting AB | Höviksnäs | 0 tkr |
| Coselian AB | Märsta | 0 tkr |
| co-worker i arlandastad AB | Märsta | 0 tkr |
| CQ Investment AB | Sigtuna | 0 tkr |
| Cristina Romell Sigtuna AB | Sigtuna | 0 tkr |
| Cronert fastighetsförmedling AB | Sigtuna | 0 tkr |
| Crowdfair AB | Sigtuna | 0 tkr |
| Cut Fredrik Gidlund AB | Märsta | 0 tkr |
| CVA CavalloVet AB | Enköping | 0 tkr |
| CY Projekt AB | Falkenberg | 0 tkr |
| D12 Holding AB | Rosersberg | 0 tkr |
| Dahlström Investment Group AB | Sunne | 0 tkr |
| Dalco Resurs AB | Rosersberg | 0 tkr |
| DAMA Property AB | Sigtuna | 0 tkr |
| DAMC Utveckling AB | Sigtuna | 0 tkr |
| DanDro Development AB | Märsta | 0 tkr |
| DanEs Handel AB | Uppsala | 0 tkr |