| CROSS-SOUND FERRY SERVICES, INC.New London, CT · Active | New London, CT | Corporation | Jan 10, 1975 | Active |
| THAMES DREDGE & DOCK COMPANY, INC.New London, CT · Active | New London, CT | Corporation | Dec 22, 1975 | Active |
| THAMES SHIPYARD & REPAIR COMPANY THENew London, CT · Active | New London, CT | Corporation | Aug 31, 1967 | Active |
| THAMES TOWBOAT CO., INC.New London, CT · Active | New London, CT | Corporation | Dec 19, 1975 | Active |
| WATERFORD FIRE ENGINE CO., NO. 1, INCORPORATEDWaterford, CT · Active | Waterford, CT | Corporation | Mar 23, 1923 | Active |
| STRIBLING CORPORATION THELocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Mar 7, 1979 | Dissolved |
| VIKING BASEBALL ASSOCIATION, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 19, 1979 | Forfeited |
| ACTION AEROBICS, INC.East Lyme, CT · Dissolved | East Lyme, CT | Corporation | Feb 28, 1980 | Dissolved |
| Seaport Marine, Inc.Mystic, CT · Active | Mystic, CT | Corporation | Dec 9, 1980 | Active |
| S.D.L. INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jul 10, 1981 | Forfeited |
| CHRISTINE, INCORPORATEDLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Aug 1, 1985 | Forfeited |
| ROBIN'S NEST NURSERY SCHOOL, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Mar 6, 1986 | Dissolved |
| BID LIMO, LTD.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 21, 1986 | Forfeited |
| NEW LONDON YACHT SALES, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Dec 2, 1986 | Forfeited |
| BELLE ENTERPRISES, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jan 14, 1987 | Dissolved |
| THAMES REALTY, INC.New London, CT · Active | New London, CT | Corporation | Apr 27, 1988 | Active |
| COTE INTERNATIONAL, INC.Mystic, CT · Dissolved | Mystic, CT | Corporation | Aug 31, 1989 | Dissolved |
| PISTOL POINT YACHT CLUB, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Feb 1, 1990 | Dissolved |
| EASTERN PEQUOT INDIANS OF CONNECTICUT INC.North Stonington, CT · Active | North Stonington, CT | Corporation | Sep 10, 1991 | Active |
| USA LOBSTERS, LLCGroton Noank, CT · Dissolved | Groton Noank, CT | LLC | Jan 25, 1995 | Dissolved |
| CROSS SOUND CRUISES LLCNew London, CT · Active | New London, CT | LLC | Mar 11, 2016 | Active |
| MIRACLE LEAGUE OF SOUTHEASTERN CONNECTICUT, INC.Niantic, CT · Active | Niantic, CT | Corporation | Nov 4, 2020 | Active |
| Three Generations LLCOld Saybrook, CT · Forfeited | Old Saybrook, CT | LLC | May 24, 2022 | Forfeited |