| CONNECTICUT CYTOLOGY ASSOCIATION, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jul 9, 1974 | Dissolved |
| CRUSADER POST NO 1946 VETERANS OF FOREIGN WARS OF THE UNITED STATES, INCORPORATEDNaugatuck, CT · Active | Naugatuck, CT | Corporation | Nov 3, 1961 | Active |
| SALEM FOUNDATION, INCORPORATED, THENaugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Dec 21, 1953 | Dissolved |
| TRI-STATE SKI EDUCATIONAL FOUNDATION, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Aug 4, 1971 | Dissolved |
| GLENDALE MANOR COMMUNITY CLUB, INCORPORATEDNaugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Apr 28, 1947 | Dissolved |
| HUMAN RESOURCE DEVELOPMENT AGENCY, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Nov 7, 1975 | Active |
| MECHANICS LODGE NO. 73 I. O. O. F. CORPORATION, THENaugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Jan 27, 1902 | Forfeited |
| NAUGATUCK CHAPTER #495 OF AMERICAN ASSOCIATION OF RETIRED PERSONS, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | May 20, 1968 | Dissolved |
| NAUGATUCK DAY CARE, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Dec 30, 1970 | Active |
| NAUGATUCK HISTORICAL SOCIETY INCORPORATED, THENaugatuck, CT · Active | Naugatuck, CT | Corporation | Dec 29, 1960 | Active |
| NAUGATUCK LODGE NO. 967 B.P.O. ELKS, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Mar 10, 1926 | Active |
| NAUGATUCK POST #17 AMERICAN LEGION, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Oct 4, 1924 | Active |
| POHTATUCK GRANGE #129 INCORPORATED THENaugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Apr 4, 1944 | Forfeited |
| QUAKAKE FISH & GAME ASSOC., INC.Naugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Jul 12, 1976 | Forfeited |
| ROARING 20'S ANTIQUE AND CLASSIC CAR CLUB, INC., THE.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Jan 24, 1974 | Active |
| SOCIETA DI MUTUO SOCCORSO CRISTOFORO COLOMBO, NAUGATUCK, CT.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Dec 1, 1902 | Dissolved |
| UNION CITY LITTLE LEAGUE, INCORPORATED, THENaugatuck, CT · Active | Naugatuck, CT | Corporation | Jan 27, 1950 | Active |
| UNITED WAY OF NAUGATUCK AND BEACON FALLS, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | May 6, 1963 | Active |
| SHARE-MAR, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jan 4, 1978 | Dissolved |
| MULTI-METAL MANUFACTURING, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jan 17, 1978 | Dissolved |
| NAUGATUCK GLASS COMPANY THENaugatuck, CT · Merged | Naugatuck, CT | Corporation | Dec 21, 1928 | Merged |
| CONTINENTAL A-1 CATERING, INC.Naugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Sep 19, 1977 | Forfeited |
| CHARLES E. AQUAVIA, JR. INSURANCE AGENCY, INC.Naugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Apr 3, 1978 | Forfeited |
| NAUGATUCK CAMPERSHIP FUND, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Apr 13, 1978 | Active |
| SOLOMON AORDKIAN, D.C., P.C.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jun 5, 1978 | Dissolved |
| PALCO CONNECTOR, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Jun 13, 1978 | Active |
| NEW ENGLAND ROOFING & SHEET METAL CO.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jun 23, 1978 | Dissolved |
| CONNECTICUT WATER WELL ASSOCIATION, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Jul 31, 1978 | Active |
| DONHAM CRAFT, INCORPORATEDNaugatuck, CT · Active | Naugatuck, CT | Corporation | Aug 16, 1944 | Active |
| CASELLA & CASELLA, P.C.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Dec 15, 1978 | Dissolved |
| GROVE CEMETERY ASSOCIATION OF NAUGATUCK, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Mar 4, 1887 | Active |
| RONDO OF AMERICA, INCORPORATEDNaugatuck, CT · Active | Naugatuck, CT | Corporation | Apr 4, 1949 | Active |
| SALEM HEALTH CARE FACILITY, INC.Naugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Jan 25, 1979 | Forfeited |
| ROSENBLATT'S, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jul 5, 1979 | Dissolved |
| WATERBURY FISH & GAME PROTECTIVE ASSOCIATION INCORPORATEDNaugatuck, CT · Active | Naugatuck, CT | Corporation | Dec 29, 1924 | Active |
| COREY'S, INCORPORATEDNaugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Aug 15, 1979 | Dissolved |
| NAUGATUCK VALLEY SAVINGS AND LOAN, S.B.Naugatuck, CT · Forfeited | Naugatuck, CT | Corporation | Apr 17, 1922 | Forfeited |
| EAST COAST METAL HOSE, INC.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Nov 28, 1979 | Dissolved |
| Smike Tool & MFG., Inc.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Dec 27, 1979 | Dissolved |
| RICHARD G. SMITH, C.P.A., P.C.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Jan 4, 1980 | Dissolved |
| TOWN HOUSE ON THE SQUARE CONDOMINIUM ASSOCIATION, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Feb 27, 1980 | Active |
| CADI CO., INC. THENaugatuck, CT · Active | Naugatuck, CT | Corporation | Apr 18, 1977 | Active |
| METAVAC, INC.Naugatuck, CT · Merged | Naugatuck, CT | Corporation | Jun 23, 1980 | Merged |
| NORTHEASTERN COMMUNICATIONS, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Oct 6, 1980 | Active |
| CONCENTRIC TOOL & MANUFACTURING COMPANY, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Nov 10, 1980 | Active |
| SAINT FRANCIS SCHOOL FOUNDATION, INC. THENaugatuck, CT · Active | Naugatuck, CT | Corporation | Dec 29, 1980 | Active |
| UNITED AVIONICS, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Apr 9, 1981 | Active |
| HARBOR PETROLEUM OF NEW ENGLAND, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Jun 10, 1981 | Active |
| COHEN'S KEY SHOP, INC.Naugatuck, CT · Active | Naugatuck, CT | Corporation | Jul 10, 1981 | Active |
| NAUGATUCK RADIOLOGY ASSOCIATES, P.C.Naugatuck, CT · Dissolved | Naugatuck, CT | Corporation | Aug 3, 1981 | Dissolved |