| Community Child Guidance Clinic, Inc.Manchester, CT · Active | Manchester, CT | Corporation | Aug 14, 1958 | Active |
| EAST CATHOLIC HIGH SCHOOL CORPORATIONManchester, CT · Active | Manchester, CT | Corporation | Jul 10, 1961 | Active |
| MANCHESTER ART ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jul 19, 1972 | Active |
| MANCHESTER (CONNECTICUT) CHAPTER #1275 OF AARP, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Apr 23, 1973 | Dissolved |
| MISAC CORPORATIONManchester, CT · Active | Manchester, CT | Corporation | Apr 19, 1967 | Active |
| NEW HOPE MANOR, INC.Manchester, CT · Forfeited | Manchester, CT | Corporation | May 27, 1971 | Forfeited |
| ORLANDO ANNULLI & SONS, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jan 4, 1978 | Active |
| RETINA CONSULTANTS, P.C.Manchester, CT · Active | Manchester, CT | Corporation | Oct 3, 1977 | Active |
| ACME MANUFACTURING, INC.Manchester, CT · Active | Manchester, CT | Corporation | May 17, 1978 | Active |
| THE BEACON LIGHT & SUPPLY COMPANY, LLCManchester, CT · Active | Manchester, CT | LLC | Jan 13, 2025 | Active |
| ABA-PGT, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jul 29, 1947 | Active |
| ALLIED PRINTING SERVICES, INCORPORATEDManchester, CT · Active | Manchester, CT | Corporation | May 25, 1950 | Active |
| ELMORE ASSOCIATES, INC.Manchester, CT · Active | Manchester, CT | Corporation | May 19, 1961 | Active |
| STANDARD WASHER & MAT, INCORPORATEDManchester, CT · Active | Manchester, CT | Corporation | Jul 1, 1953 | Active |
| Coburn Financial, Inc.Manchester, CT · Active | Manchester, CT | Corporation | Dec 7, 1948 | Active |
| CHAMPLIN-PACKRITE, INC.Manchester, CT · Active | Manchester, CT | Corporation | Apr 18, 1933 | Active |
| DANIEL F. REALE, INC. REALTORManchester, CT · Dissolved | Manchester, CT | Corporation | Jun 1, 1973 | Dissolved |
| CONYERS CONSTRUCTION COMPANY, INC.Manchester, CT · Active | Manchester, CT | Corporation | Nov 26, 1957 | Active |
| CONYERS HARDWARE CENTER, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Oct 13, 1970 | Dissolved |
| PARAMOUNT MACHINE COMPANY, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jan 2, 1979 | Active |
| CFL, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Feb 1, 1967 | Dissolved |
| SHAWMUT EQUIPMENT COMPANY, INCORPORATEDManchester, CT · Active | Manchester, CT | Corporation | Oct 28, 1948 | Active |
| MANCHESTER SYMPHONY ORCHESTRA AND CHORALE, INC.Manchester, CT · Active | Manchester, CT | Corporation | Apr 30, 1979 | Active |
| RICHARD B. LEVY, D.D.S., P.C.Manchester, CT · Dissolved | Manchester, CT | Corporation | May 1, 1979 | Dissolved |
| JOURNAL PUBLISHING COMPANY, INC.Manchester, CT · Active | Manchester, CT | Corporation | Nov 15, 1910 | Active |
| PETROWSKY ENTERPRISES, INCManchester, CT · Forfeited | Manchester, CT | Corporation | Aug 10, 1979 | Forfeited |
| BROWN'S FLOWERS, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Sep 26, 1979 | Dissolved |
| MARC, INC. OF MANCHESTERManchester, CT · Active | Manchester, CT | Corporation | Mar 29, 1955 | Active |
| HILLVIEW CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jan 24, 1980 | Active |
| ROYAL ARMS CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jan 24, 1980 | Active |
| MANCHESTER GARDENS CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Feb 7, 1980 | Active |
| WILLSON MANUFACTURING, INC. OF CONNECTICUTManchester, CT · Active | Manchester, CT | Corporation | Apr 11, 1980 | Active |
| PENDLETON ASSOCIATES, INCORPORATEDManchester, CT · Active | Manchester, CT | Corporation | May 28, 1980 | Active |
| ROCKVILLE SCRAP COMPANY, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Sep 26, 1967 | Dissolved |
| RODCO MACHINE COMPANYManchester, CT · Forfeited | Manchester, CT | Corporation | Aug 5, 1980 | Forfeited |
| INSERV CORP.Manchester, CT · Dissolved | Manchester, CT | Corporation | Oct 1, 1980 | Dissolved |
| MUSTANGS UNLIMITED, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Oct 3, 1980 | Dissolved |
| ALLOY SPECIALTIES, LLCManchester, CT · Active | Manchester, CT | LLC | Sep 16, 2021 | Active |
| OSTRINSKY, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Feb 5, 1981 | Dissolved |
| NATIONAL SPEED CENTER, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Feb 26, 1981 | Dissolved |
| EVERGREEN SERVICES, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | May 12, 1981 | Dissolved |
| EAST MEADOW CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jul 17, 1981 | Active |
| OXFORD COURT CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Aug 24, 1981 | Active |
| LOREN J. SCHNEIDER, D.P.M., P.C.Manchester, CT · Dissolved | Manchester, CT | Corporation | Sep 1, 1981 | Dissolved |
| RLSD, INC.Manchester, CT · Dissolved | Manchester, CT | Corporation | Nov 25, 1981 | Dissolved |
| M I P 16-A CORP.Manchester, CT · Active | Manchester, CT | Corporation | Dec 3, 1981 | Active |
| HOOSIER TIRES EAST INC.Manchester, CT · Active | Manchester, CT | Corporation | Dec 17, 1981 | Active |
| R. MAHER ASSOCIATES, INC.Manchester, CT · Active | Manchester, CT | Corporation | Jan 18, 1982 | Active |
| PAPER MILL POND CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | Feb 17, 1982 | Active |
| LAWTON GARDEN CONDOMINIUM ASSOCIATION, INC.Manchester, CT · Active | Manchester, CT | Corporation | May 17, 1982 | Active |