| Doubleback Transportation, LLC AL | Transportation & Warehousing | 0 | — | A |
| DoubleDutch, Inc. CA | — | 0 | — | — |
| DoubleLtuna IA | Accommodation & Food Services | 0 | — | F |
| DoubleTree MN | — | 0 | — | — |
| DOUBLETREE NY | Accommodation & Food Services | 0 | — | F |
| DoubleTree - Hilton Portland OR | — | 0 | — | — |
| Doubletree Bloomington 2020 MN | — | 0 | — | — |
| Doubletree Boston North Shore MA | — | 0 | — | — |
| DoubleTree by Hilton CA | — | 0 | — | — |
| DoubleTree by Hilton NV | — | 0 | — | — |
| DoubleTree by Hilton NY | — | 0 | — | — |
| DoubleTree by Hilton SC | — | 0 | — | — |
| Doubletree by Hilton - Anaheim/Orange CA | — | 0 | — | — |
| DoubleTree by Hilton Ann Arbor North MI | Accommodation & Food Services | 0 | — | A |
| Doubletree by Hilton Atlanta Perimeter Dunwoody GA | Accommodation & Food Services | 0 | — | F |
| DoubleTree by Hilton Bahia Mar Fort Lauderdale FL | — | 0 | — | — |
| Doubletree by Hilton Boston - Cambridge MA | — | 0 | — | — |
| Doubletree by Hilton dba Doubletree San Pedro CA | — | 0 | — | — |
| DoubleTree by Hilton Grand Hotel Biscayne Bay FL | — | 0 | — | — |
| DoubleTree by Hilton Hotel and Airport Convention Center FL | — | 0 | — | — |
| Doubletree by Hilton Hotel Irvine Spectrum CA | — | 0 | — | — |
| Doubletree by Hilton Hotel Santa Ana/Orange County Airport CA | — | 0 | — | — |
| DoubleTree by Hilton Hotel* CT | — | 0 | — | — |
| DoubleTree by Hilton Los Angeles-Rosemead CA | — | 0 | — | — |
| DoubleTree by Hilton Manchester Downtown NH | Accommodation & Food Services | 0 | — | F |
| Doubletree by Hilton New York Times Square West NY | — | 0 | — | — |
| DoubleTree By Hilton Orlando Airport FL | Accommodation & Food Services | 0 | — | F |
| DoubleTree By Hilton Orlando at SeaWorld FL | — | 0 | — | — |
| Doubletree by Hilton San Pedro CA | Accommodation & Food Services | 0 | — | F |
| DoubleTree by Hilton Sonoma Wine Country CA | — | 0 | — | — |
| DoubleTree by Hilton Wichita Airport KS | Accommodation & Food Services | 0 | — | F |
| DoubleTree by Hilton-Pikesville MD | — | 0 | — | — |
| DoubleTree by Memphis TN | — | 0 | — | — |
| DoubleTree Cleveland Downtown OH | — | 0 | — | — |
| DoubleTree Colorado Springs CO | — | 0 | — | — |
| Doubletree Deerfield Beach Hotel FL | — | 0 | — | — |
| Doubletree Denver Tech Center CO | — | 0 | — | — |
| DoubleTree Employer LLC WA | — | 0 | — | — |
| DoubleTree Employer LLC dba DoubleTree Chicago Magnificent Mile IL | — | 0 | — | — |
| Doubletree Employer LLC dba Doubletree Hotels - Sonoma Wine Country CA | — | 0 | — | — |
| Doubletree Employer LLC DBA Doubletree Hotels San Francisco-Airport CA | — | 0 | — | — |
| DoubleTree Employer LLC, dba DoubleTree by Hilton Hotel Charlotte Gateway Village Letter COVID19 NC | — | 0 | — | — |
| Doubletree Employer LLC, dba Doubletree Hotels - San Jose CA | — | 0 | — | — |
| DoubleTree Employer, LLC dba President Abraham Lincoln Hotel IL | — | 0 | — | — |
| DoubleTree Gaithersburg MD | Accommodation & Food Services | 0 | — | A |
| DoubleTree Golf Resort Palm Springs CA | Accommodation & Food Services | 0 | — | F |
| Doubletree Grand Junction CO | — | 0 | — | — |
| DoubleTree Holland MI | — | 0 | — | — |
| Doubletree Hotel by Hilton Madison Downtown WI | Accommodation & Food Services | 0 | — | F |
| Doubletree Hotels - San Diego-Mission Valley CA | — | 0 | — | — |
