Bedrift D - Heimdal
- Drar
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- Deltaalarm AS
- Designerhage
- Datec AS
- Devico AS
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- Dansegalla Limited
- Din Engros AS
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- Din Engros AS
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- Duun Tryggve
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- Depot Service AS
- Dugnadmiljø Thorvaldsen
- Dh Horghagen
- Duttestien Familiebarnehage AS
- Dahls Hjemmelagde
- Dale Rådgiving
- Daniel Holck
- Dekia Art
- Diamanten 9 AS
- Daniel Holck AS
- Dittrich Invest AS
- Diallo Mariama Ciré
- Danske Bank Avd Heimdal
- Devico International Operation AS
- Devico Holding Eiendom AS
- Diplom-Is Avd Trondheim
- David Sommervold Folde
- Døsvika Trine Døsvik
- Dahlen Michel Marie
- DNB Eiendom Heimdal
- Dudekteam Sebastian Dudek
- Dejavu Trondheim 2025
- Dejavu Trondheim 2025
- Den Kulturelle Foreningen Synergy
- Dreams In Oils - Settem
- Dramarte Anne-Marte Sundby
- Designed By la-Faja AS
- Den Arabisk Foreningen i Norge
- Den Gode Fe Eva H Rambraut
- Den Norske Jordmorforening Trondheim og Omegn Lokallag