| Critical Metals Scandinavia AB | Malå | 0 tkr |
| CR Management AB | Obbola | 0 tkr |
| CRönnvest AB | Åsele | 0 tkr |
| Crystal Cap AB | Boliden | 0 tkr |
| C.S.O. HOLDING AB | Robertsfors | 0 tkr |
| CSTW isaksson holding i Lycksele AB | Lycksele | 0 tkr |
| Cupitum Invest AB | Burträsk | 0 tkr |
| CurUM Holding AB | Umeå | 0 tkr |
| Cycer System Aktiebolag | Malå | 0 tkr |
| D5 Invest AB | Falkenberg | 0 tkr |
| D.A. Boström Holding AB | Umeå | 0 tkr |
| DACO Holding AB | Ersmark | 0 tkr |
| Dahlberg & Partner Holding AB | Skellefteå | 0 tkr |
| Dahlbergs Holding i Umeå AB | Umeå | 0 tkr |
| Dahlbergs Måleri i Båtvik AB | Byske | 0 tkr |
| Dahlbolagen i Umeå Aktiebolag | Umeå | 0 tkr |
| Dahlbro Invest AB | Skellefteå | 0 tkr |
| Dahlgrens Bageri Holding AB | Lövånger | 0 tkr |
| Daily Print i Umeå AB | Umeå | 0 tkr |
| DAJJ Fastigheter AB | Umeå | 0 tkr |
| DaJo Holding AB | Umeå | 0 tkr |
| Dalasjö Holding AB | Uppsala | 0 tkr |
| Danab i Röjnoret AB | Boliden | 0 tkr |
| Danamedicus AB | Åsele | 0 tkr |
| Daniel Hedqvist Invest AB | Umeå | 0 tkr |
| Daniel Johansson Holding i Umeå AB | Hörnefors | 0 tkr |
| Daniel Lindberg AB | Skellefteå | 0 tkr |
| Daniel Oscarsson Holding AB | Obbola | 0 tkr |
| Daniel Östgård AB | Ursviken | 0 tkr |
| Daniels Bygg & Äventyr AB | Åsele | 0 tkr |
| DANJOH Holding AB | Umeå | 0 tkr |
| Danny Lind i Uppsala AB | Umeå | 0 tkr |
| DaRö Bygg AB | Skellefteå | 0 tkr |
| DartVoid AB | Umeå | 0 tkr |
| Databolaget MULTUM i Umeå Aktiebolag | Bygdeå | 0 tkr |
| Datacenter i Umeå Aktiebolag | Umeå | 0 tkr |
| DatAid Aktiebolag | Umeå | 0 tkr |
| David Marquardt Holding AB | Umeå | 0 tkr |
| Day Tripper AB | Umeå | 0 tkr |
| DB Invest i Umeå AB | Holmsund | 0 tkr |
| D compile Labs Aktiebolag | Skelleftehamn | 0 tkr |
| DDMC Borrmätning AB | Kåge | 0 tkr |
| D Eddefalk AB | Lycksele | 0 tkr |
| DEE AB | Skelleftehamn | 0 tkr |
| Degerbyn Fastigheter AB | Skellefteå | 0 tkr |
| De Goda Smakpaletterna Invest AB | Jörn | 0 tkr |
| Dejr Holding AB | Umeå | 0 tkr |
| Deliciae Holding AB | Umeå | 0 tkr |
| Delidags AB | Stockholm | 0 tkr |
| Dendrocopos AB | Umeå | 0 tkr |