| Din Lille Hjelper AS | Spydeberg | 2015 |
| Din Livsveileder AS | Ålesund | 2026 |
| Din Løpetrener AS | Moss | 2022 |
| Din Omstilling AS | Odda | 2023 |
| Din Opplæring AS | Skjetten | 2017 |
| Din Puls AS | Bodø | 2018 |
| Din Trafikkskole AS | Otta | 2015 |
| Din Trafikkskole AS | Sandnes | 2002 |
| Din Trafikkskole Da | Brumunddal | 1997 |
| Dinas Helse AS | Oslo | 2019 |
| Dinpedagog AS | Hvam | 2023 |
| Dinsikkerhet AS | Røyse | 2024 |
| Dinspanskskole No Ans | Oslo | 2003 |
| Direkte Utleie AS | Båstad | 2005 |
| Discover North AS | Evenes | 2014 |
| Discovery International School AS | Jevnaker | 2019 |
| Diseth Fus Barnehage AS | Biri | 2019 |
| Disheim AS | Lillehammer | 2004 |
| Ditt Barns Førstehjelp AS | Gjerdrum | 2019 |
| Ditt Kurs AS | Løten | 2025 |
| Ditt Motto AS | Drammen | 2023 |
| Divine Feminine AS | Oslo | 2024 |
| Diwan AS | Oslo | 2014 |
| Djup Psykologtjenester | Bønes | 2010 |
| Djupmyra Fus Barnehage AS | Øvrebø | 2019 |
| Dogd AS | Oslo | 2018 |
| Dogwithin AS | Oslo | 2021 |
| Doherty Design AS | Son | 2023 |
| Doherty Holding AS | Son | 2023 |
| Doing Good AS | Oslo | 2018 |
| Dokkon AS | Stavanger | 2025 |
| Doktor Innovasjon AS | Oslo | 2022 |
| Doktor Just Hälsovård AB | Se-531 56 Lidköping | 2025 |
| Doktorhuset AS | Oslo | 2013 |
| Doktrina AS | Fetsund | 2016 |
| Dolce Napoli Mat Med Samvittighet Ideell Organisasjon AS | Stavanger | 2025 |
| Dolor AS | Sarpsborg | 2011 |
| Dolphin Kurs Og Kompetanse AS | Vestfossen | 2017 |
| Dolstad Barnehage AS | Mosjøen | 2015 |
| Domkirkens Barnehage AS | Tromsø | 2022 |
| Dote AS | Oslo | 2025 |
| Dovre Friskule AS | Dovre | 2020 |
| DP Fitness AS | Larvik | 2017 |
| DR. Brandts Barnehage AS | Oslo | 2007 |
| DR. Dragland AS | Fornebu | 2022 |
| DR. Gunhild AS | Færvik | 2022 |
| DR. Winje Publishing AS | Drøbak | 2026 |
| Dradykk AS | Holmestrand | 1990 |
| Drafnkollen Fus Barnehage AS | Drammen | 2019 |
| Dragaberget Barnehage SA | Hundvåg | 1998 |
| Drageid Leirskole AS | Seter | 2000 |
| Drama-O-Rama AS | Oslo | 2022 |
| Drammen Keramikkverksted AS | Drammen | 2022 |
| Drangsvann Barnehage AS | Kristiansand S | 2022 |
| DRD AS | Tjøme | 2022 |
| Dream Team Trafikkskole AS | Oslo | 2023 |
| Dreamvisions AS | Oslo | 2016 |
| Dreamwork Academy AS | Oslo | 2023 |
| Driftsselskapet Misvær Svømmehall SA | Misvær | 1985 |
| Driva Trafikkskole AS | Oppdal | 2017 |
| Drive Time Trafikkskole AS | Rolvsøy | 2015 |
| Drive Trafikkskole AS | Hamar | 2013 |
| Drive Trafikkskule AS | Volda | 2013 |
| Drive-It AS | Haugesund | 2017 |
| Driver Trafikkskole AS | Fjellhamar | 2013 |
| Driver Vekst AS | Fjellhamar | 2022 |
| Drivhuset I Horten AS | Horten | 2023 |
| Driving Trafikkskole AS | Nøtterøy | 2014 |
| Driving Trafikkskole Drammen AS | Drammen | 2014 |
| Driving Trafikkskole Oppegård AS | Kolbotn | 2015 |
| Drivn AS | Lysaker | 2022 |
| Drivn Billingstad AS | Lysaker | 2025 |
| Drivn Fornebu AS | Fornebu | 2022 |
| Drivn Jessheim AS | Lysaker | 2024 |
| Drivn Kjeller AS | Lysaker | 2022 |
| Drivn Lillestrøm AS | Lysaker | 2025 |
| Drivn Nannestad AS | Lysaker | 2024 |
| Drivn Nesbru AS | Lysaker | 2025 |
| Drivn Skedsmo AS | Lysaker | 2025 |
| Drivn Stabekk AS | Lysaker | 2024 |
| Drivn Trafikkskole AS | Lysaker | 2025 |
| Drivn Ullern AS | Lysaker | 2024 |
| Dronesafe AS | Oslo | 2026 |
| Dronningåsen Barnehage SA | Stavanger | 1998 |
| Drottningborg Ungdomsskole AS | Grimstad | 2014 |
| Drottningborg VGS AS | Grimstad | 2005 |
| DRS AS | Lier | 2014 |
| Drueclasen AS | Oslo | 2024 |
| Drøbak Friluftslivscamp AS | Oppegård | 2025 |
| Drøbak Montessori Barnehage AS | Drøbak | 2023 |
| Drøbak Montessori Barneskole AS | Drøbak | 2024 |
| Drøbak Montessori Ungdomsskole AS | Drøbak | 2008 |
| Drøbak Trafikkskole AS | Drøbak | 2020 |
| Drømmebruket AS | Lommedalen | 2018 |
| Drømmehagen Adventure AS | Frekhaug | 2018 |
| Drømmehagen Barnehage AS | Frekhaug | 2026 |
| Drømmehagen Gårdsbarnehage AS | Frekhaug | 2026 |
| Drømmeklubben AS | Larvik | 2025 |
| Drømmevika Naturbarnehage AS | Saltrød | 2013 |
| DSR Trafikk AS | Kristiansand S | 2021 |