| MONA LIZA MEDICAL AESTHETICS L.L.C.Winter Springs, FL · Active | Winter Springs, FL | LLC | Mar 12, 2021 | Active |
| Coversafe IncorporatedLocation not reported, CO · Good Standing | Location not reported, CO | Corporation | Feb 1, 2024 | Good Standing |
| C. D. PROCTOR, INC.Thomaston, CT · Forfeited | Thomaston, CT | Corporation | Aug 2, 1967 | Forfeited |
| CENTRAL CONNECTICUT CABLE CO., INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Sep 15, 1975 | Active |
| COBAL TOOL INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | Oct 22, 1973 | Dissolved |
| CONNECTICUT CARBIDE DIE CO., INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | Aug 30, 1966 | Dissolved |
| EDWARD SEGAL, INC.Thomaston, CT · Merged | Thomaston, CT | Corporation | May 11, 1972 | Merged |
| HENRY M. OSOWIECKI & SONS, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | May 19, 1970 | Active |
| INTRASONICS, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Aug 22, 1967 | Active |
| JIMMIE'S TRUCKIN', INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | Apr 1, 1976 | Dissolved |
| LASER TOOL CO., INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Jan 3, 1966 | Active |
| MARTIN BERGIN'S SONS (INCORPORATED)Waterbury, CT · Merged | Waterbury, CT | Corporation | Mar 15, 1912 | Merged |
| METALLON, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Jun 5, 1964 | Active |
| MILFORD COMPANY THEThomaston, CT · Dissolved | Thomaston, CT | Corporation | Aug 17, 1966 | Dissolved |
| PECK MANUFACTURING CO.,INC. THEThomaston, CT · Forfeited | Thomaston, CT | Corporation | Dec 13, 1961 | Forfeited |
| QUALITY ROLLING AND DEBURRING CO., INCORPORATEDThomaston, CT · Active | Thomaston, CT | Corporation | Nov 4, 1955 | Active |
| R. & I MANUFACTURING CO.Thomaston, CT · Forfeited | Thomaston, CT | Corporation | Jul 7, 1977 | Forfeited |
| RELIABLE FACTORY SUPPLY CO.Thomaston, CT · Active | Thomaston, CT | Corporation | Dec 9, 1965 | Active |
| REYNOLDS CARBIDE DIE CO., INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Mar 17, 1971 | Active |
| STEVENS EQUIPMENT COMPANY, INC.Thomaston, CT · Forfeited | Thomaston, CT | Corporation | Nov 22, 1961 | Forfeited |
| THOMASTON LANES, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Mar 27, 1963 | Active |
| THOMASTON SWISS, INC.Thomaston, CT · Forfeited | Thomaston, CT | Corporation | Dec 16, 1963 | Forfeited |
| THOMASTON-MIDTOWN SCREW MACHINE PRODUCTS, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Oct 1, 1963 | Active |
| GK INDUSTRIAL SALES CORPORATIONThomaston, CT · Dissolved | Thomaston, CT | Corporation | Oct 9, 1959 | Dissolved |
| VALLEY WELDING CO., INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Sep 13, 1973 | Active |
| W. D. STANLEY CO. THEThomaston, CT · Forfeited | Thomaston, CT | Corporation | Feb 29, 1968 | Forfeited |
| ALEXANDER GREGOREK POST NO. 572 VETERANS OF FOREIGN WARS OF THE UNITED STATES, INCORPORATEDThomaston, CT · Active | Thomaston, CT | Corporation | May 18, 1976 | Active |
| ROTARY CLUB OF THOMASTON, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Jun 14, 1977 | Active |
| CLIFFORD R. FRENCH POST #22 AMERICAN LEGION, DEPARTMENT OF CONNECTICUT, INCORPORATEDThomaston, CT · Active | Thomaston, CT | Corporation | Jan 11, 1935 | Active |
| FRIENDS OF THE THOMASTON PUBLIC LIBRARY, INCORPORATEDThomaston, CT · Active | Thomaston, CT | Corporation | Dec 20, 1966 | Active |
| CONNECTICUT LAND FOUNDATION, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Dec 31, 1975 | Active |
| THOMASTON CHORAL CLUB, INCORPORATED, THEThomaston, CT · Active | Thomaston, CT | Corporation | Nov 24, 1943 | Active |
| THOMASTON FISH AND GAME CLUB, INCORPORATEDThomaston, CT · Active | Thomaston, CT | Corporation | Feb 21, 1947 | Active |
| THOMASTON HISTORICAL SOCIETY, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Dec 3, 1970 | Active |
| 25 SPORTSMEN, INCORPORATED, THEThomaston, CT · Forfeited | Thomaston, CT | Corporation | Mar 19, 1959 | Forfeited |
| VISITING NURSE ASSOCIATION OF THE TOWN OF THOMASTON, INCORPORATED THEThomaston, CT · Dissolved | Thomaston, CT | Corporation | May 4, 1944 | Dissolved |
| RAILROAD MUSEUM OF NEW ENGLAND, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Mar 5, 1969 | Active |
| AMERICAN SATURATED FELT INC.Thomaston, CT · Revoked | Thomaston, CT | Corporation | Jan 23, 1978 | Revoked |
| HOIST AWAY, INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | May 23, 1978 | Dissolved |
| MGB TIRE COMPANY, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Jun 15, 1978 | Active |
| BRANCH BROOK CAMP GROUND AND TRAILER SALES, INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | Aug 30, 1978 | Dissolved |
| J&J Precision, Inc.Thomaston, CT · Active | Thomaston, CT | Corporation | Sep 18, 1978 | Active |
| PRESS EQUIPMENT, INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | Oct 11, 1960 | Dissolved |
| STEVENS COMPANY, INCORPORATEDThomaston, CT · Active | Thomaston, CT | Corporation | Jun 30, 1950 | Active |
| WHYCO TECHNOLOGIES, INC.Thomaston, CT · Dissolved | Thomaston, CT | Corporation | Oct 1, 1964 | Dissolved |
| THOMASTON VOLUNTEER FIRE DEPARTMENT, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Aug 8, 1979 | Active |
| HURLEY HILL ASSOCIATION, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Aug 22, 1979 | Active |
| SUMMIT CORPORATION OF AMERICAThomaston, CT · Active | Thomaston, CT | Corporation | Sep 24, 1979 | Active |
| D. A. BEARDSWORTH ASSOCIATES, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Oct 16, 1979 | Active |
| JOHNNY'S AUTO PARTS, INC.Thomaston, CT · Active | Thomaston, CT | Corporation | Oct 26, 1979 | Active |