- Donate Life West Virginia
- Donate Life Wisconsin
- Donate Life Wyoming
- Donny Wright Sings
- Donohoe Companies Inc.
- Donor Alliance
- Donor Alliance, Inc. - Casper
- Donor Designation Station
- Donor Network of Arizona
- Donor Network West
- DonorConnect
- Dooley Elementary
- Door County Medical Center
- Door of Opportunity
- Doral Forrestal, Princeton
- Doral Tesoro Hotel and Golf Club - Alliance, Fort Worth
- Dorminy Medical Center
- Dorothea Dix Hospital
- Dorr-Oliver EIMCO
- Double Cheese Corp.
- Double Tree Hotel - Omaha
- Double Tree Hotel Philadelphia
- DoubleTree by Hilton Hotel and Executive Meeting Center Palm Beach Gardens
- DoubleTree by Hilton Hotel Ontario Airport
- DoubleTree by Hilton Hotel Portland
- DoubleTree by Hilton Hotel San Pedro - Port of Los Angeles
- DoubleTree by Hilton Hotel Spokane City Center
- DoubleTree by Hilton Hotel Tampa Airport - Westshore
- Doubletree Club Hotel, Philadelphia, Northeast, PA
- Doubletree Guest Suites Atlanta Galleria
- Doubletree Guest Suites Hotel, Sharonville, OH
- Doubletree Guest Suites Indianapolis-Carmel, IN
- Doubletree Hotel Albuquerque, Albuquerque NM
- Doubletree Hotel Bradley International Airport, Windsor Locks CT
- Doubletree Hotel Norfolk, Norfolk VA
- Doubletree Hotel, Austin
- Doug Viehland
- Dougherty and Company
- Dougherty County School System
- Dougherty High School
- Douglas County Board of Commissioners
- Douglas County Hospital
- Douglas County Sheriff's Office
- Douglas County Sheriff's Office
- Douglas High School
- Douglas Publications
- Douglas-Sarpy County Extension
- Douglass Theater
- Dover Downs Hotel and Casino
- Dow Chemical