| GULF COAST BUSINESS MACHINES CO.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jul 12, 1952 | Inactive |
| WALLER BROS., INC. OF FLORIDALocation not reported, FL · Inactive | Location not reported, FL | Corporation | Apr 27, 1973 | Inactive |
| ADVANCED BUSINESS SYSTEMS, INC. OF FLA.Tampa, FL · Inactive | Tampa, FL | Corporation | Oct 11, 1974 | Inactive |
| A'LEON BUSINESS MACHINES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Apr 30, 1976 | Inactive |
| HERMANS PHOTO COPY EQUIPMENT AND SUPPLIES, INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Aug 4, 1976 | Inactive |
| C & T OF TAMPA CORPORATIONClearwater, FL · Inactive | Clearwater, FL | Corporation | Feb 22, 1977 | Inactive |
| WEST COAST OFFICE MACHINES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jun 9, 1977 | Inactive |
| CONCEPT III, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jun 23, 1977 | Inactive |
| GULF COAST BUSINESS MACHINES OF SARASOTA, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jul 14, 1977 | Inactive |
| NATIONAL OFFICE MACHINES, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Jul 28, 1977 | Inactive |
| CONCEPT VI, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 8, 1977 | Inactive |
| ALLSTATE ADVERTISING, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 19, 1977 | Inactive |
| DANKA INDUSTRIES, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Oct 4, 1977 | Inactive |
| ATLANTIC OFFICE PRODUCTS, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | May 15, 1979 | Inactive |
| COPIES INCORPORATEDClearwater, FL · Inactive | Clearwater, FL | Corporation | Mar 9, 1973 | Inactive |
| D.M.R., LTD.St. Petersburg, FL · Inactive | St. Petersburg, FL | Partnership | Feb 10, 1998 | Inactive |
| R. DYE SALES, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Aug 28, 1981 | Inactive |
| DBS OF ALABAMA, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Oct 1, 1993 | Inactive |
| OMNIDEX CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 11, 1994 | Inactive |
| DANKA CORPORATIONLocation not reported, FL · Inactive | Location not reported, FL | Corporation | Feb 29, 1996 | Inactive |
| DANKA HOLDING COMPANYSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | May 7, 1996 | Inactive |
| AUTOMATED OFFICE TECHNOLOGY, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | May 24, 1984 | Inactive |
| THOS. J. MURRIN CO.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | May 30, 1984 | Inactive |
| TELEVISED REAL ESTATE CORPORATIONClearwater, FL · Inactive | Clearwater, FL | Corporation | Jul 30, 1984 | Inactive |
| MCCOYLE, INCORPORATEDClearwater, FL · Inactive | Clearwater, FL | Corporation | Mar 19, 1985 | Inactive |
| MCPEAK-DOYLE, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Nov 6, 1985 | Inactive |
| AIR DOYLE, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Jul 7, 1986 | Inactive |
| MID-COUNTY INVESTMENTS, INC.St. Petersburg, FL · Active | St. Petersburg, FL | Corporation | Dec 23, 1986 | Active |
| T.R.P., INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Dec 22, 1987 | Inactive |
| DOYLE AIR CORPORATIONSt. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Jun 1, 1989 | Inactive |
| BORS INTERNATIONAL, L.L.C.Clearwater, FL · Inactive | Clearwater, FL | LLC | Feb 11, 2000 | Inactive |
| ZAP HOLDINGS, L.L.C.Clearwater, FL · Inactive | Clearwater, FL | LLC | Mar 27, 2000 | Inactive |
| GOSOLUTIONS EQUITY, LLCTampa, FL · Inactive | Tampa, FL | LLC | Aug 17, 2001 | Inactive |
| D'S, LLCTampa, FL · Inactive | Tampa, FL | LLC | Mar 2, 2006 | Inactive |
| DD ONE, LLCTampa, FL · Inactive | Tampa, FL | LLC | May 16, 2006 | Inactive |
| DD TWO, LLCTampa, FL · Inactive | Tampa, FL | LLC | May 16, 2006 | Inactive |
| PRINT COUNTS, LLCTampa, FL · Inactive | Tampa, FL | LLC | Jul 19, 2006 | Inactive |
| DEX EXPRESS, LLCTampa, FL · Inactive | Tampa, FL | LLC | Jul 11, 2012 | Inactive |
| BLANK CHECK CHARTERS, INC.Jacksonville, FL · Inactive | Jacksonville, FL | Corporation | Mar 15, 1990 | Inactive |
| THE DOYLE FOUNDATION, INC.Belleair, FL · Active | Belleair, FL | Nonprofit | Dec 27, 1994 | Active |
| STONEGATE PROPERTY HOMEOWNERS ASSOCIATION, INC.St. Petersburg, FL · Active | St. Petersburg, FL | Nonprofit | Aug 28, 1996 | Active |
| ENDEVA, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Oct 6, 2000 | Inactive |
| MARGSON, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Mar 12, 2001 | Inactive |
| GSI MERGER CO.Clearwater, FL · Inactive | Clearwater, FL | Corporation | Jan 15, 2002 | Inactive |
| LIBERTY BANKClearwater, FL · Inactive | Clearwater, FL | Corporation | Nov 15, 2004 | Inactive |
| COPY PRODUCTS, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Apr 29, 1993 | Inactive |
| MASSEY BUSINESS PRODUCTS, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Apr 29, 1993 | Inactive |
| DANKA TECHNOLOGY, INC.Clearwater, FL · Inactive | Clearwater, FL | Corporation | May 5, 1993 | Inactive |
| MARGSON, INC.St. Petersburg, FL · Inactive | St. Petersburg, FL | Corporation | Aug 17, 1993 | Inactive |
| CARLETON HOUSE, INC.Tampa, FL · Inactive | Tampa, FL | Corporation | Sep 17, 1993 | Inactive |