- Duane Dubernas
- Dublin Vacuum Cleaner Svc
- Dunkin Doughnuts
- Dunkin' Donuts
- Dunkin' Donuts
- Dunn & Miller
- Dunning Kuroda & Wolcken
- Duran Creative Solutions
- Dynamic Development Assoc
- Dynamite Pest Svc
- E 5 Solutions Group
- E G Pastore & Co Inc
- E Walter Helm Jr Inc
- Eagle Land Transfer
- Eagle Opticians
- Eagle Pizza II
- Earth & State
