| C-B-R DEVELOPMENT COMPANY, INC., Colorado Authority Terminated April 21, 2000Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Apr 2, 1970 | Withdrawn |
| DENNY'S INC., Colorado Authority Relinquished July 15, 2011Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jul 6, 1967 | Withdrawn |
| DENNY'S REALTY, LLC, Colorado Authority Relinquished December 4, 2024Location not reported, CO · Withdrawn | Location not reported, CO | LLC | Apr 4, 1990 | Withdrawn |
| ADVANTICA RESTAURANT GROUP, INC., Colorado Authority Terminated June 27, 2002Location not reported, CO · Withdrawn | Location not reported, CO | Corporation | Jun 29, 2000 | Withdrawn |
| Denny's, Inc.Location not reported, CO · Good Standing | Location not reported, CO | Corporation | Jul 15, 2011 | Good Standing |
| Denny's CorporationLocation not reported, CO · Delinquent | Location not reported, CO | Corporation | Oct 30, 2024 | Delinquent |
| DENNY'S RESTAURANTS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 30, 1991 | Withdrawn |
| DENNY'S, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 14, 2023 | Active |
| V. S. ACQUIRING, INC.Location not reported, NY · Active | Location not reported, NY | Corporation | Dec 26, 1973 | Active |
| DENNY'S CORPORATION, A CORPORATION OF DELAWARELocation not reported, OR · Active | Location not reported, OR | Corporation | Apr 22, 2024 | Active |
| DENNY'S, INC.Location not reported, OR · Active | Location not reported, OR | Corporation | Aug 1, 2011 | Active |
| DENNY'S, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jul 12, 1967 | Inactive |
| HAROLD BUTLER ENTERPRISES #589, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 26, 1969 | Inactive |
| CBR DEVELOPMENT CO., INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 20, 1970 | Inactive |
| QUINCY'S REALTY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jan 13, 1994 | Inactive |
| DENNY'S REALTY, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Oct 11, 2006 | Active |
| DFO, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jul 18, 2011 | Active |
| DENNY'S, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Apr 29, 2011 | Active |
| KEKE'S, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | May 12, 2022 | Active |
| FLAGSTAR ENTERPRISES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 1, 1989 | Inactive |
| QUINCY'S REALTY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 17, 1989 | Inactive |
| SPARDEE'S REALTY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Nov 17, 1989 | Inactive |
| DENNY'S REALTY, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 13, 1990 | Inactive |
| CANTEEN MANAGEMENT SERVICES, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 22, 1990 | Inactive |
| EL POLLO LOCO, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Aug 1, 1990 | Inactive |
| CANTEEN CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 25, 1990 | Inactive |
| FLAGSTAR SYSTEMS, INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Oct 1, 1990 | Inactive |
| ADVANTICA RESTAURANT GROUP, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Dec 30, 1991 | Active |