- Diamond Nail
- Diamond Nail Salon
- Diamond Optical
- Diamond Parking
- Diamond Parking Service
- Diamond Realty
- Diamond Roofing
- Diamond Services
- Diamond Shamrock - Service Stations
- Diamond Video
- Diamond Vogel Paint
- Diamond Vogel Paint Center
- Diamond Wireless
- Diamond's
- Diana Nails
- Diana's Beauty Salon
- Diana's Beauty Shop
- Diane Turton Realtors
- Diane's Beauty Salon
- Diane's Beauty Shop
- Dianetics Foundation Hubbard
- Dianon Systems
- Dick Blick Art Materials
- Dick Corporation
- Dickerson Law Firm P A
- Dickey's BBQ
- Dickey's BBQ Pit
- Dickies
- Dick's Auto Body
- Dick's Auto Repair
- Dick's Auto Sales
- Dick's Barber Shop
- Dick's Body Shop
- Dick's Place
- Dick's Sporting Goods
- Dickson C C Company
- Dictograph Security Systems
- Diebold
- Diedrich Coffee