| PREFCO XV LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Nov 22, 1994 | Cancelled |
| PREFCO XIV LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Nov 30, 1994 | Cancelled |
| PREFCO XVI LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Apr 27, 1995 | Cancelled |
| PREFCO III LIMITED PARTNERSHIPShelton, CT · Forfeited | Shelton, CT | Partnership | Nov 8, 1988 | Forfeited |
| PREFCO XVII LIMITED PARTNERSHIPHartford, CT · Cancelled | Hartford, CT | Partnership | Oct 11, 1995 | Cancelled |
| PREFCO XII LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Dec 15, 1993 | Cancelled |
| PREFCO XVIII LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Nov 17, 1995 | Cancelled |
| PREFCO XIX LIMITED PARTNERSHIPNorwalk, CT · Cancelled | Norwalk, CT | Partnership | Aug 22, 1996 | Cancelled |
| PREFCO XX LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Dec 20, 1996 | Cancelled |
| PREFCO XXI LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Jun 23, 1997 | Cancelled |
| PREFCO XXII LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Dec 3, 1997 | Cancelled |
| PREFCO IV LIMITED PARTNERSHIPNorwalk, CT · Cancelled | Norwalk, CT | Partnership | Oct 20, 1989 | Cancelled |
| PREFCO V LIMITED PARTNERSHIPShelton, CT · Forfeited | Shelton, CT | Partnership | Jun 27, 1990 | Forfeited |
| PREFCO VIII LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Jul 24, 1991 | Cancelled |
| PREFCO IX LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Dec 20, 1991 | Cancelled |
| PREFCO X LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Jul 28, 1992 | Cancelled |
| PREFCO XI LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Dec 23, 1992 | Cancelled |
| PREFCO XIII LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Dec 15, 1993 | Cancelled |
| PREFCO TWELVE LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Jun 23, 1998 | Cancelled |
| PREFCO FIVE LIMITED PARTNERSHIPShelton, CT · Cancelled | Shelton, CT | Partnership | Jun 23, 1998 | Cancelled |
| PREFCO FIFTEEN LIMITED PARTNERSHIPShelton, CT · Merged | Shelton, CT | Partnership | Apr 7, 2000 | Merged |
| PREFCO XXIV LIMITED PARTNERSHIPLocation not reported, CT · Cancelled | Location not reported, CT | Partnership | Nov 20, 2000 | Cancelled |