- Dugan & Assoc
- Dugan's Restaurant
- Duggan Piano Svc
- Duncan & Miller Glass Museum
- Dunk 4 Promotions
- Dynamet Inc
- Dynamic Creations
- Dzurino Plumbing Heating & AC
- E & D Stained Glass & Supplies
- E Raggi Home Improvements
- E Richard Prostko Inc
- Eagle Concepts
- Earl's Auto
- East Buffalo Presbyterian Chr
- East Maiden Animal Clinic
- East Maiden Automotive