| EPW SECURITIES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 13, 1974 | Revoked |
| E. P. WILBUR & CO., INC.Southport, CT · Revoked | Southport, CT | Corporation | Jan 14, 1974 | Revoked |
| WILBUR INSTITUTIONAL CORP.Location not reported, CT · Merged | Location not reported, CT | Corporation | Aug 7, 1980 | Merged |
| SOUTHPORT FINANCIAL ASSET MANAGEMENT, INC.Southport, CT · Dissolved | Southport, CT | Corporation | Aug 7, 1980 | Dissolved |
| HARTWELL AND FORBES CORP.Location not reported, CT · Merged | Location not reported, CT | Corporation | Aug 28, 1980 | Merged |
| EPW, INC.Southport, CT · Forfeited | Southport, CT | Corporation | Apr 30, 1982 | Forfeited |
| SOUTHPORT FINANCIAL CORPORATIONSouthport, CT · Dissolved | Southport, CT | Corporation | Feb 14, 1986 | Dissolved |
| SFC, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Aug 21, 1986 | Dissolved |
| SOUTHPORT STAMFORD CORPORATIONSouthport, CT · Dissolved | Southport, CT | Corporation | May 19, 1987 | Dissolved |
| SOUTHPORT ASSET MANAGEMENT CORPORATIONLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | May 19, 1987 | Forfeited |
| SOUTHPORT INVESTORS, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jul 28, 1989 | Forfeited |
| SOUTHPORT MEADOWS, INC.Southport, CT · Dissolved | Southport, CT | Corporation | Jul 18, 1994 | Dissolved |
| ADG-I40 WEST LIMITED PARTNERSHIPSouthport, CT · Forfeited | Southport, CT | Partnership | Dec 21, 1987 | Forfeited |
| ATRIUM INCOME LIMITED PARTNERSHIPSouthport, CT · Cancelled | Southport, CT | Partnership | Aug 25, 1986 | Cancelled |
| THE CROSSINGS AT OAKBROOK LIMITED PARTNERSHIPSouthport, CT · Forfeited | Southport, CT | Partnership | Sep 10, 1985 | Forfeited |
| GUARANTY EQUITY REAL ESTATE PORTFOLIO LIMITED PARTNERSHIPLocation not reported, CT · Revoked | Location not reported, CT | Partnership | Sep 15, 1989 | Revoked |
| SUNSET RIDGE LIMITED PARTNERSHIPSouthport, CT · Forfeited | Southport, CT | Partnership | Dec 21, 1984 | Forfeited |
| SOUTHPORT MORTGAGE CORPORATIONSouthport, CT · Forfeited | Southport, CT | Corporation | Jul 31, 1997 | Forfeited |
| SFC INVESTMENTS, INC.Southport, CT · Revoked | Southport, CT | Corporation | Feb 19, 1998 | Revoked |
| EPW-2, LLCSouthport, CT · Forfeited | Southport, CT | LLC | Mar 4, 1998 | Forfeited |
| SMOKERISE LIMITED PARTNERSHIPSouthport, CT · Forfeited | Southport, CT | Partnership | Feb 15, 1984 | Forfeited |
| SOMERSET LIMITED PARTNERSHIPSouthport, CT · Forfeited | Southport, CT | Partnership | Feb 21, 1984 | Forfeited |
| SOUTHPORT PROPERTIES CORPORATIONLocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Apr 8, 2008 | Dissolved |
| SOUTHPROP LLCSouthport, CT · Forfeited | Southport, CT | LLC | May 24, 2019 | Forfeited |
| El Puerto Capital LLCSouthport, CT · Active | Southport, CT | LLC | Sep 7, 2023 | Active |