- Designbox
- DADO Labs
- Doc-Process
- Drawn2Art
- Detroit EITC
- Derma Medical
- DuVall's School
- David Pressley School
- Design Search Associates
- Design & Construct
- DeepSweep
- Daisy Swan
- Dr. Jörn Günther Rare Books
- DoJobsOnline
- DiversityEdu
- Duranno Bookstore
- Detroit Book City
- Duttenhofer's Books
- Duende District
- Dotters Books
- DCTC Bookstore
- Dundas Conservatory of Music
- Dots and Beams
- DEA Music and Art
- Doodle Videos
- D'Vyne Wrytes
- Draw Down
- Denise Speaks
- Detective store
- DataTech911
- DesktopAlert
- Deeplite
- DCA Services
- Didux.io
- Devvio
- Denver Test Prep
- Davidson Center
- Digital Photo Editing Services
- Death of a Nation
- Damascene Book Cellar
- DDH Software
- Dobler Consulting
- DbFront
- Data Controller
- Database Oasis
- DBcloudbin
- Database Labs
- DQ Global
- Datasert
- Databuilder
- Data Interchange
- Display Decorations
- Daataa Direct
- Digbargain
- DooBop
- Drop til you Shop
- Dieseld Shop
- Do Your Best
- Domestica
- Darzzi
- Deal Haven
- Deal Monk
- Delight My Homes
- Double66
- Discoverer One
- Desire Gifts Shop
- Dharmaa Soul
- Dromedar Shop
- Deal Dusk
- Ding and Ping
- Dilutee
- Desirable Bond
- DIY Tool Supply
- Divine Natural Products
- Dynarexo.com
- DealTreat
- Digitalzakka
- Do Over Corner Store
- D3 Surplus Outlet
- Do Good Shop