| PFIZER INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jun 25, 1951 | Active |
| THE UNITED WAY OF NORTHWEST CONNECTICUT, INC.Torrington, CT · Active | Torrington, CT | Corporation | Dec 8, 1942 | Active |
| SULLIVAN CONSTRUCTION SERVICES, INC.Suffield, CT · Dissolved | Suffield, CT | Corporation | Jan 18, 1995 | Dissolved |
| NORTHWEST HILLS AUTOMOTIVE, LLCTorrington, CT · Active | Torrington, CT | LLC | Jul 17, 1998 | Active |
| BKLS LLCCanton, CT · Active | Canton, CT | LLC | Jul 17, 1998 | Active |
| DIGITAL DIRECT, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 13, 1999 | Revoked |
| PAYETTE ASSOCIATES, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jul 18, 2002 | Active |
| 2015 East Main, LLCTorrington, CT · Active | Torrington, CT | LLC | Jun 30, 2004 | Active |
| WEST HAVEN VIETNAM VETERANS, INC.West. Haven, CT · Active | West. Haven, CT | Corporation | Apr 6, 2006 | Active |
| RKTG, LLCGlastonbury, CT · Active | Glastonbury, CT | LLC | Feb 3, 2009 | Active |
| RKTW, LLCWethersfield, CT · Active | Wethersfield, CT | LLC | Feb 3, 2009 | Active |
| COLUMBIA MANAGEMENT INVESTMENT DISTRIBUTORS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 12, 2010 | Active |
| OCEAN VIEW CONDOMINIUM OF CLINTON ASSOCIATION, INC.Branford, CT · Forfeited | Branford, CT | Corporation | Jan 27, 2012 | Forfeited |
| SULLIVAN AUTOMOTIVE, INC.Torrington, CT · Active | Torrington, CT | Corporation | Apr 22, 2013 | Active |
| SPEED LEMON MEDIA, LLCFairfield, CT · Active | Fairfield, CT | LLC | Jan 27, 2014 | Active |
| SULLIVAN INSURANCE AGENCY, LLCTorrington, CT · Dissolved | Torrington, CT | LLC | Jul 7, 2015 | Dissolved |
| VALIANT GLOBAL DEFENSE SERVICES INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 14, 2019 | Active |
| KSULL ENTERPRISE, INC.Southington, CT · Active | Southington, CT | Corporation | May 17, 2019 | Active |
| SULLIVAN INDUSTRIAL SERVICES LLCMilford, CT · Active | Milford, CT | LLC | Sep 30, 2019 | Active |
| SULLIVAN ESTATE, LLCBridgeport, CT · Active | Bridgeport, CT | LLC | Apr 13, 2021 | Active |
| Lumin Digital, Inc.Location not reported, CT · Active | Location not reported, CT | Corporation | Jan 12, 2024 | Active |
| Fast Switch Healthcare L.L.C.Location not reported, CT · Active | Location not reported, CT | LLC | Mar 4, 2025 | Active |
| APPLIED RESEARCH SOLUTIONS, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Jun 3, 2025 | Active |
| Bike Walk Wethersfield, Inc.Wethersfield, CT · Active | Wethersfield, CT | Corporation | Nov 3, 2025 | Active |
| West Haven Veterans Council IncWest. Haven, CT · Active | West. Haven, CT | Corporation | May 29, 2026 | Active |
| MAPLE STREET REALESTATE LLCNorwich, CT · Active | Norwich, CT | LLC | Aug 21, 2026 | Active |