| MOHAWK MOUNTAIN SKI AREA, INC.Cornwall, CT · Active | Cornwall, CT | Corporation | Dec 15, 1964 | Active |
| CORNWALL HISTORICAL SOCIETY, INCORPORATED THECornwall, CT · Active | Cornwall, CT | Corporation | Feb 6, 1964 | Active |
| CORNWALL HOUSING CORPORATIONCornwall, CT · Active | Cornwall, CT | Corporation | Jun 20, 1988 | Active |
| GREEN VIEW BUILDING & DESIGN COMPANY, INC.Cornwall, CT · Dissolved | Cornwall, CT | Corporation | Jul 7, 1989 | Dissolved |
| SKIER SERVICES, INC.Cornwall, CT · Merged | Cornwall, CT | Corporation | Dec 8, 1989 | Merged |
| COLTSFOOT FARM LIMITED PARTNERSHIPCornwall, CT · Cancelled | Cornwall, CT | Partnership | Aug 6, 1986 | Cancelled |
| CORNWALL LIMITED LIABILITY COMPANYCornwall, CT · Active | Cornwall, CT | LLC | Jan 5, 1995 | Active |
| TRI-COMMUNICATIONS, LLCCromwell, CT · Dissolved | Cromwell, CT | LLC | Feb 20, 1996 | Dissolved |
| NEHEMIAH INC.Cornwall, CT · Forfeited | Cornwall, CT | Corporation | Nov 17, 1997 | Forfeited |
| BREADLOAF MOUNTAIN, LLCCornwall, CT · Forfeited | Cornwall, CT | LLC | Feb 4, 1999 | Forfeited |
| THE CORNWALL AGENCY, LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Jul 24, 2000 | Dissolved |
| KOCHMAN HOLDINGS GROUP, LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Oct 12, 2000 | Dissolved |
| PROGRESSIVE MEDICINE, LLCCornwall, CT · Active | Cornwall, CT | LLC | Jan 4, 2001 | Active |
| HERITAGE HOME RESTORATION LLCCornwall, CT · Active | Cornwall, CT | LLC | Mar 21, 2001 | Active |
| COUNTRY QUILT LLAMA FARM LLCCornwall, CT · Active | Cornwall, CT | LLC | Apr 16, 2001 | Active |
| CORNWALL LIBRARY ASSOCIATION, INC.Cornwall, CT · Active | Cornwall, CT | Corporation | Jul 31, 2001 | Active |
| DIETZ LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Mar 22, 2002 | Dissolved |
| ALEXA VENTURINI, LANDSCAPE DESIGNER & CONTRACTOR, LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Nov 26, 2002 | Dissolved |
| JTF DEVELOPMENT, L.L.C.Cornwall Bridge, CT · Dissolved | Cornwall Bridge, CT | LLC | Mar 25, 2003 | Dissolved |
| LITCHFIELD HILLS FINANCIAL, LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Jun 10, 2004 | Dissolved |
| NELL NICHOLAS AND ASSOCIATES, L.L.C.Cornwall, CT · Active | Cornwall, CT | LLC | Jun 13, 2005 | Active |
| ESCAPE LIFE. DOODLE., LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Aug 15, 2005 | Dissolved |
| ROLAND HARTLEY-URQUHART, LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Dec 6, 2006 | Dissolved |
| EASTERN CONSTRUCTION PROFESSIONALS, LLCCornwall, CT · Active | Cornwall, CT | LLC | Jan 17, 2007 | Active |
| LITCHFIELD FINANCE, LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Mar 29, 2007 | Dissolved |
| KINGDOM RESTORATION, LLCGaylordsville, CT · Dissolved | Gaylordsville, CT | LLC | Aug 6, 2007 | Dissolved |
| NEW MILFORD CARPET WAREHOUSE, LLCGaylordsville, CT · Dissolved | Gaylordsville, CT | LLC | Aug 6, 2007 | Dissolved |
| ROOSTER TAIL, LLCWarren, CT · Forfeited | Warren, CT | LLC | Jul 23, 2008 | Forfeited |
| LITCHFIELD COUNTY CUSTOM HOMES, LLCWarren, CT · Forfeited | Warren, CT | LLC | Jan 6, 2009 | Forfeited |
| MC TRADING LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Jul 14, 2010 | Dissolved |
| POPPLE SWAMP TRADING COMPANYCornwall, CT · Dissolved | Cornwall, CT | Corporation | Jun 14, 2011 | Dissolved |
| SIDE BY SIDE FARM, LLCCornwall, CT · Forfeited | Cornwall, CT | LLC | Jan 18, 2012 | Forfeited |
| FRIENDS OF THE NORTH CORNWALL MEETING HOUSE, INC.Cornwall, CT · Active | Cornwall, CT | Corporation | Apr 30, 2012 | Active |
| KNOWLEDGE TRANSFER ASSOCIATES, LLCCornwall, CT · Forfeited | Cornwall, CT | LLC | Jan 30, 2014 | Forfeited |
| HUBBARD HORSES, LLCCornwall, CT · Active | Cornwall, CT | LLC | Apr 21, 2015 | Active |
| CORNWALL WOMAN'S SOCIETY, INC.Cornwall, CT · Active | Cornwall, CT | Corporation | Jan 14, 2016 | Active |
| CALTHA PROPERTIES, LLCCornwall, CT · Active | Cornwall, CT | LLC | Mar 9, 2016 | Active |
| 120 NORTH STREET LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Mar 10, 2017 | Dissolved |
| VHD DESIGNS, LLCCornwall, CT · Forfeited | Cornwall, CT | LLC | Mar 20, 2017 | Forfeited |
| JAMES HOME MORTGAGE LLCCornwall, CT · Dissolved | Cornwall, CT | LLC | Dec 4, 2018 | Dissolved |
| HEBRIDEAN HIDEAWAYS LLCCornwall, CT · Active | Cornwall, CT | LLC | Dec 11, 2019 | Active |
| 315 MUSIC MOUNTAIN LLCCornwall, CT · Active | Cornwall, CT | LLC | Jan 22, 2020 | Active |
| Coltsfoot Valley Farm, LLCCornwall, CT · Active | Cornwall, CT | LLC | Sep 20, 2021 | Active |
| Thomas Wolf Builder L.L.C.Cornwall, CT · Active | Cornwall, CT | LLC | Feb 14, 2022 | Active |
| 78 FLAT ROCKS ROAD LLCCornwall, CT · Active | Cornwall, CT | LLC | Nov 16, 2022 | Active |
| MOS Holdings LLCCornwall, CT · Active | Cornwall, CT | LLC | Feb 17, 2023 | Active |
| Brewster Mechanical LLCCornwall, CT · Active | Cornwall, CT | LLC | Mar 1, 2023 | Active |
| 1 ORCHARD HEIGHTS, LLCCornwall, CT · Active | Cornwall, CT | LLC | Jun 20, 2023 | Active |
| 46 SOUTH MAIN STREET, LLCCornwall, CT · Active | Cornwall, CT | LLC | Jun 20, 2023 | Active |
| 168 ASPETUCK VILLAGE, LLCCornwall, CT · Active | Cornwall, CT | LLC | Jun 20, 2023 | Active |