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| Denim Destination Sandvika AS | Sandvika | 2025 |
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| Dental Pluss AS | Sandnes | 2022 |
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| Dentalspar AS | Drammen | 2020 |
| Dentalstøp Import AS | Bergen | 2003 |
| Dentalvarehuset AS | Kolbotn | 2006 |
| Dentalvarehuset Holding AS | Kolbotn | 2013 |
| Dentis AS | Sandnes | 2023 |
| Denton AS | Torp | 2015 |
| Dentsolution AS | Vestby | 2008 |
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| Dentsply Sirona Europe GmbH | At-5071 Wals Bei Salzburg | 2017 |
| Deocariza-Bravo AS | Flå | 2025 |
| Depart Collection AS | Fornebu | 2002 |
| Departments & Stores Norway AS | Oslo | 2005 |
| Depeche & Co | Dk-8700 Horsens | 2024 |
| Depend Norge AS | Grålum | 1993 |
| Depot Drift AS | Haugesund | 1999 |
| Depot Moane AS | Kongsberg | 1994 |
| Depotsjefen Da | Haugesund | 2001 |
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| Deres AS | Aksdal | 2009 |
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| Dermalys AS | Fornebu | 2017 |
| Dermanordic AS | Billingstad | 1994 |
| Dermanordic Holding AS | Billingstad | 2007 |
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| Dermasupply AS | Horten | 2021 |
| Dermatech AS | Strømmen | 2023 |
| Dermatek AS | Gjøvik | 2022 |
| Dermatuff Norge AS | Skarnes | 2018 |
| Dermelie AS | Haugesund | 2014 |
| Dermisence AS | Skotbu | 2024 |
| Dero Groep Nieuw-Vennep B.V. | Nl-2153Gm Nieuw-Vennep | 2023 |
| Desatascos Low Cost Cantabria Limited | Oslo | 2025 |
| Desenio AB Nuf | Se-164 40 Kista | 2015 |
| Desh AS | Bryne | 2024 |
| Desi Basket AS | Sandnes | 2026 |
| Design & Quality AS | Blommenholm | 2005 |
| Design Av Elisabeth AS | Sarpsborg | 2022 |
| Design Classics AS | Oslo | 2025 |