| BURNSIDE DENTAL CARE, P.C.East Hartford, CT · Active | East Hartford, CT | Corporation | Jan 5, 1999 | Active |
| LAW OFFICES OF STEVEN L. KATZ, LLCWest Hartford, CT · Dissolved | West Hartford, CT | LLC | Jun 22, 2000 | Dissolved |
| ROME & KATZ, LLCHartford, CT · Dissolved | Hartford, CT | LLC | Aug 15, 2000 | Dissolved |
| 576 FARMINGTON AVENUE, LLCHartford, CT · Active | Hartford, CT | LLC | Sep 13, 2000 | Active |
| OPTICAL SYSTEMS GROUP, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Apr 30, 2001 | Active |
| FARMINGTON AVENUE DENTAL CARE, P.C.Hartford, CT · Active | Hartford, CT | Corporation | Oct 3, 2001 | Active |
| FAMILY JEWELS, LLCWest Hartford, CT · Dissolved | West Hartford, CT | LLC | Sep 17, 2002 | Dissolved |
| DR BOULEVARD LLCWest Simsbury, CT · Active | West Simsbury, CT | LLC | Oct 12, 2004 | Active |
| JEFFREY H. KATZ, MD, LLCWestbrook, CT · Active | Westbrook, CT | LLC | Oct 13, 2004 | Active |
| 595 MAIN STREET, LLCManchester, CT · Active | Manchester, CT | LLC | Oct 13, 2004 | Active |
| 99 EAST CENTER STREET, LLCSouth Windsor, CT · Dissolved | South Windsor, CT | LLC | Oct 18, 2004 | Dissolved |
| JD DRINKWATER HOME IMPROVEMENT, LLCNew London, CT · Forfeited | New London, CT | LLC | Jan 13, 2005 | Forfeited |
| BBR HOME IMPROVEMENT, LLCNew London, CT · Dissolved | New London, CT | LLC | May 3, 2006 | Dissolved |
| ISLE MORTGAGE PROCESSING, LLCSouthington, CT · Forfeited | Southington, CT | LLC | Jan 30, 2008 | Forfeited |
| GENNARO'S BY ROMA'S, LLCEast Hartford, CT · Dissolved | East Hartford, CT | LLC | Mar 6, 2008 | Dissolved |
| CRANMER EYE CENTER, P.C.Mansfield Center, CT · Dissolved | Mansfield Center, CT | Corporation | May 12, 2008 | Dissolved |
| ODOS INDUSTRIES, INC.Mansfield Center, CT · Merged | Mansfield Center, CT | Corporation | Dec 2, 2008 | Merged |
| 270 BURNSIDE AVENUE, LLCEast Hartford, CT · Active | East Hartford, CT | LLC | Jan 13, 2009 | Active |
| CR REALTY MANAGEMENT LLCWest Simsbury, CT · Dissolved | West Simsbury, CT | LLC | Dec 21, 2009 | Dissolved |
| 17 REGAN STREET ASSOCIATES, LLCWest Simsbury, CT · Dissolved | West Simsbury, CT | LLC | Sep 2, 2010 | Dissolved |
| FAMILY FOOT CARE CENTER, LLCEast Hartford, CT · Active | East Hartford, CT | LLC | Nov 7, 2011 | Active |
| SOUTH ADAMS APARTMENTS LLCWest Simsbury, CT · Dissolved | West Simsbury, CT | LLC | Aug 21, 2014 | Dissolved |
| SOUTH ADAMS APARTMENTS MANAGEMENT LIMITED PARTNERSHIPWest Simsbury, CT · Cancelled | West Simsbury, CT | Partnership | Sep 30, 2014 | Cancelled |
| RIVER HOLLOW APARTMENTS LIMITED PARTNERSHIPWest Simsbury, CT · Active | West Simsbury, CT | Partnership | Sep 2, 2016 | Active |
| 988-1000 NORTHROP ROAD LLCLocation not reported, CT · Dissolved | Location not reported, CT | LLC | Nov 15, 2018 | Dissolved |
| 269-279 WATCHAUG ROAD LLCLocation not reported, CT · Dissolved | Location not reported, CT | LLC | Nov 15, 2018 | Dissolved |
| 647 CROMWELL AVENUE LLCLocation not reported, CT · Dissolved | Location not reported, CT | LLC | Nov 15, 2018 | Dissolved |
| KATZ FAMILY DENTAL CARE, PLLCKensington, CT · Active | Kensington, CT | LLC | Jan 14, 2020 | Active |
| Blue Swan Energy Strategies, LLCWest Hartford, CT · Active | West Hartford, CT | LLC | Oct 30, 2025 | Active |