| GLADSTONE GROUP INVESTMENTS, INC.Boca Raton, FL · Active | Boca Raton, FL | Corporation | Apr 4, 2001 | Active |
| N. G. CORPORATIONHialeah, FL · Inactive | Hialeah, FL | Corporation | Dec 14, 1979 | Inactive |
| REI NEWSLETTER CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 30, 1980 | Inactive |
| PRODUCTIVITY NEWSLETTER CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Aug 5, 1980 | Inactive |
| GLADSTONE ENTERPRISES INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Sep 25, 1980 | Inactive |
| RESOURCE NEWSLETTER CORP.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Mar 14, 1980 | Inactive |
| SBA NEWSLETTER ASSOCIATES, LTD.Boca Raton, FL · Inactive | Boca Raton, FL | Partnership | Nov 18, 1981 | Inactive |
| FINANCING NEWSLETTER ASSOCIATES, LTD.Boca Raton, FL · Inactive | Boca Raton, FL | Partnership | Dec 1, 1981 | Inactive |
| PALM BEACH HOUSING ASSOCIATES, LTD.Boca Raton, FL · Inactive | Boca Raton, FL | Partnership | Feb 8, 1982 | Inactive |
| BOCA HOUSING ASSOCIATES, LTD.Boca Raton, FL · Inactive | Boca Raton, FL | Partnership | Feb 8, 1982 | Inactive |
| SUNSHINE HOUSING ASSOCIATES, LTD.Boca Raton, FL · Inactive | Boca Raton, FL | Partnership | Nov 30, 1982 | Inactive |
| CTS NEWSLETTER CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Feb 2, 1981 | Inactive |
| FPS NEWSLETTER CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | May 11, 1981 | Inactive |
| PFD NEWSLETTER CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jun 1, 1981 | Inactive |
| THE MATHESON GROUP, INCORPORATEDBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Sep 10, 1982 | Inactive |
| RESOURCE NEWSLETTER CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Sep 10, 1982 | Inactive |
| K & K MANAGEMENT CO., INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Oct 19, 1982 | Inactive |
| RICHELIEU, INC.Fort Lauderdale, FL · Inactive | Fort Lauderdale, FL | Corporation | Dec 30, 1983 | Inactive |
| GOLD COAST BASKETBALL CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 3, 1985 | Inactive |
| MORGAN GLADSTONE & CO. INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Oct 14, 1985 | Inactive |
| CHASE TYLER PROPERTIES, LLCBoynton Beach, FL · Inactive | Boynton Beach, FL | LLC | Oct 28, 2005 | Inactive |
| HUDSON HEALTH CARE LLCLauderdale Lakes, FL · Inactive | Lauderdale Lakes, FL | LLC | Jan 31, 2023 | Inactive |
| J. MORGAN FINANCIAL SERVICES, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Aug 14, 1986 | Inactive |
| MORGAN/GLADSTONE HOLDING, CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Aug 14, 1986 | Inactive |
| MORGAN/GLADSTONE FINANCIAL SERVICES, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Aug 14, 1986 | Inactive |
| HYDROCARBONS INCORPORATEDBoca Raton, FL · Inactive | Boca Raton, FL | Corporation | Oct 30, 2000 | Inactive |
| NADCOM TELECOMMUNICATIONS CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Mar 12, 1985 | Inactive |
| IVY ENTERTAINMENT.COM, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | May 25, 1999 | Inactive |
| STRATEGIC ALLIANCE GROUP, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Jul 1, 1999 | Inactive |
| ARGENTINE FURNITURE IMPORTERS, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Sep 16, 1999 | Inactive |
| STAR CITY GALLERIES.COM, INC.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Dec 13, 1999 | Inactive |
| STERLING AKG CORP.Boca Raton, FL · Inactive | Boca Raton, FL | Corporation | Oct 7, 1991 | Inactive |
| AMERICAN MARKETING ASSOCIATES OF BROWARD, INC.Deerfield Beach, FL · Inactive | Deerfield Beach, FL | Corporation | Oct 5, 1992 | Inactive |