| W. JOHNSON CO., INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Jul 2, 1986 | Active |
| SHELTER ISLAND AGENCY, INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Sep 28, 1984 | Active |
| ALL SEASONS CATERING INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Sep 18, 1984 | Active |
| READ CUSTOM HOMES, INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Sep 9, 1981 | Active |
| SHELTER ISLAND CEMENT AND PRECAST, INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Aug 7, 1979 | Active |
| DICKERSON ELECTRIC CO., INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Mar 27, 1974 | Active |
| 5 PHEASANT LN SHELTER ISLAND INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Jul 2, 2014 | Active |
| SCHAPPACHERWHITE ARCHITECTURE D.P.C.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Apr 10, 2012 | Active |
| ALL DOGGED UP INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Mar 15, 2005 | Active |
| GAC VINTIMILLA GENERAL CONTRACTING CORP.Shirley, NY · Active | Shirley, NY | Corporation | Aug 31, 2011 | Active |
| THE GREAT AMERICAN ART COMPANY, LTD.Staten Island, NY · Active | Staten Island, NY | Corporation | May 1, 1975 | Active |
| SCALE MOTORSPORT, LLCLocation not reported, CT · Forfeited | Location not reported, CT | LLC | May 7, 1997 | Forfeited |
| AJE REALTY, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Feb 6, 2003 | Active |
| TRISTAR ADVISORS LLCLocation not reported, CT · Withdrawn | Location not reported, CT | LLC | May 27, 2004 | Withdrawn |
| DC BASILE HOLDINGS, LLCLocation not reported, CT · Dissolved | Location not reported, CT | LLC | Apr 22, 2014 | Dissolved |
| RD GLOBAL RESEARCH, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | Apr 22, 2014 | Active |
| Ruane, LLCLocation not reported, CT · Active | Location not reported, CT | LLC | May 2, 2022 | Active |
| THE SOUTH FERRY, INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Nov 15, 1906 | Active |
| SHELTER ISLAND REALTY, INC.Shelter Island, NY · Active | Shelter Island, NY | Corporation | Feb 2, 1972 | Active |
| DANCO TRANSPORTATION INCShelter Island, NY · Active | Shelter Island, NY | Corporation | Jun 8, 2007 | Active |
| SHELTERS ARCHITECTS, LLPShelter Island, NY · Active | Shelter Island, NY | Partnership | Apr 3, 2017 | Active |
| SHELTER ISLAND, LLCLocation not reported, OR · Active | Location not reported, OR | LLC | Sep 21, 2011 | Active |
| TENTH STREET STUDIO LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Aug 3, 2016 | Inactive |
| CONTEXT MEDIA LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Dec 24, 2018 | Inactive |