| Dalhammer Förvaltning AB | Ljungsbro | 0 tkr |
| DAL Holding AB | Linköping | 0 tkr |
| Dalvana AB | Mjölby | 0 tkr |
| DANADA Services AB | Linköping | 0 tkr |
| Danail AB | Norrköping | 0 tkr |
| Daniel Ajax förvaltning AB | Norrköping | 0 tkr |
| Daniel Årsjö AB | Linköping | 0 tkr |
| Daniel Beijer Consulting AB | Linghem | 0 tkr |
| Daniel Bezo Konac Holding AB | Norrköping | 0 tkr |
| Daniel Fröding Förvaltning AB | Mantorp | 0 tkr |
| Daniels Mjölktransporter AB | Vaggeryd | 0 tkr |
| Danlou Ventures AB | Boxholm | 0 tkr |
| DA Östergötland Holding AB | Linghem | 0 tkr |
| Darc AB | Linköping | 0 tkr |
| Daremo Fastigheter AB | Linghem | 0 tkr |
| DARIC Holding AB | Stockholm | 0 tkr |
| Dark Square AB | Linköping | 0 tkr |
| Darlingsson AB | Norrköping | 0 tkr |
| DAS KAPITAL AB | Norrköping | 0 tkr |
| D&A spektrum AB | Skänninge | 0 tkr |
| Datakonsult Enna AB | Loftahammar | 0 tkr |
| Datorvärme i Östergötland AB | Stockholm | 0 tkr |
| Davidi Holding AB | Motala | 0 tkr |
| Davidsson Holding i Linköping AB | Linghem | 0 tkr |
| Davids Treasure Vault AB | Linköping | 0 tkr |
| David Transport & Logistik AB | Norrköping | 0 tkr |
| Dawa fastigheter AB | Norrköping | 0 tkr |
| Daw IT AB | Norrköping | 0 tkr |
| Dawson & Dawson Tandvård AB | Linköping | 0 tkr |
| Dayton Park AB | Linköping | 0 tkr |
| D Birgersson Holding AB | Mantorp | 0 tkr |
| DCC Energi Sweden AB | Norrköping | 0 tkr |
| DC Förvaltning AB | Motala | 0 tkr |
| DCH Invest AB | Åtvidaberg | 0 tkr |
| DC i Motala AB | Motala | 0 tkr |
| DeBM Holding AB | Norrköping | 0 tkr |
| Deep46 AB | Vreta Kloster | 0 tkr |
| Deepinfo AI Aktiebolag | Vreta Kloster | 0 tkr |
| Deglabbet AB | Mantorp | 0 tkr |
| Delborn Holding AB | Söderköping | 0 tkr |
| Dele 60 Medicus AB | Norrköping | 0 tkr |
| Delfinpalatset AB | Linköping | 0 tkr |
| Delin Rental AB | Linköping | 0 tkr |
| Deliveryservice Scandinavia AB | Linköping | 0 tkr |
| Demirel Holding AB | Mjölby | 0 tkr |
| Demox Special Demolition AB | Norrköping | 0 tkr |
| Denebra AB | Norrköping | 0 tkr |
| Deniz Invest AB | Linköping | 0 tkr |
| Dennis Boman Förvaltning AB | Norrköping | 0 tkr |
| Dennis Gustafsson Förvaltning AB | Motala | 0 tkr |