| PFEI-TRES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Feb 2, 1978 | Dissolved |
| BOEHRINGER INGELHEIM PHARMACEUTICALS, INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Feb 9, 1978 | Active |
| DONALD F. HAACKE ASSOCIATES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Mar 1, 1978 | Dissolved |
| RIDGEFIELD SYMPHONY ORCHESTRA FOUNDATION, INC. THERidgefield, CT · Active | Ridgefield, CT | Corporation | Feb 28, 1978 | Active |
| RIDGEFIELD THRIFT SHOP, INCORPORATED, THERidgefield, CT · Active | Ridgefield, CT | Corporation | Oct 4, 1946 | Active |
| CUSTOM CABINETS AND KITCHENS, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Mar 30, 1978 | Dissolved |
| PAMBY MOTORS, INCORPORATEDRidgefield, CT · Active | Ridgefield, CT | Corporation | Dec 20, 1954 | Active |
| FIRST CONNECTICUT REALTY CORPORATIONRidgefield, CT · Active | Ridgefield, CT | Corporation | Aug 18, 1978 | Active |
| ACORN PRESS, INCORPORATEDRidgefield, CT · Dissolved | Ridgefield, CT | Corporation | Jan 13, 1887 | Dissolved |
| KEY PRODUCTIONS, INC.Ridgefield, CT · Forfeited | Ridgefield, CT | Corporation | May 17, 1973 | Forfeited |
| PAUL M. LEARY ASSOCIATES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Dec 13, 1978 | Dissolved |
| EPPOLITI REALTY CO., INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Mar 14, 1967 | Active |
| MORRELL'S SERVICE, INC.Ridgefield, CT · Forfeited | Ridgefield, CT | Corporation | Feb 8, 1979 | Forfeited |
| CHAMBERS ARMY-NAVY STORES, INC.Ridgefield, CT · Forfeited | Ridgefield, CT | Corporation | Jun 26, 1979 | Forfeited |
| MAMANASCO LAKE PARK ASSOCIATION, INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Aug 25, 1960 | Active |
| ANGELO ROSSI, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Aug 20, 1979 | Dissolved |
| RIDGEFIELD SCHOLARSHIP GROUP INCORPORATED THERidgefield, CT · Active | Ridgefield, CT | Corporation | Sep 10, 1979 | Active |
| PRODUCTIONS FOR YOUNG PEOPLE, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Nov 23, 1979 | Dissolved |
| CANDLEWOOD AMATEUR RADIO ASSOCIATION, INCORPORATED THERidgefield, CT · Active | Ridgefield, CT | Corporation | Sep 14, 1953 | Active |
| ITALIAN-AMERICAN MUTUAL AID SOCIETY OF RIDGEFIELD CONNECTICUT, INCORPORATEDRidgefield, CT · Active | Ridgefield, CT | Corporation | Nov 20, 1913 | Active |
| YOUNG'S OF RIDGEFIELD,INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Jan 31, 1980 | Active |
| CHRISTOPHER S. MOOMAW ARCHITECT, P.C.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Feb 5, 1980 | Dissolved |
| FILOMAR, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Feb 21, 1980 | Dissolved |
| FOUR OAKS, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Apr 28, 1980 | Dissolved |
| Ridgefield Family Eye Care, PLLCRidgefield, CT · Active | Ridgefield, CT | LLC | Mar 25, 2022 | Active |
| P.R.P., INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Aug 4, 1980 | Active |
| LIBERTA'S SPIRIT SHOPPE, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Aug 29, 1980 | Dissolved |
| PAUL CALLE, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Sep 30, 1980 | Dissolved |
| TRADEWELL CORPORATION THERidgefield, CT · Dissolved | Ridgefield, CT | Corporation | Oct 2, 1980 | Dissolved |
| Lyons & Lyons, P.C.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Jan 2, 1981 | Active |
| FRANZESE CORPORATION THERidgefield, CT · Forfeited | Ridgefield, CT | Corporation | Jan 19, 1981 | Forfeited |
| MADELINE FITZGERALD REAL ESTATE, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Feb 10, 1981 | Dissolved |
| OMNI DENTAL SERVICES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Mar 6, 1981 | Dissolved |
| AMERITECH CORPORATIONRidgefield, CT · Dissolved | Ridgefield, CT | Corporation | Mar 9, 1981 | Dissolved |
| D. M. SMITH ASSOCIATES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Mar 20, 1981 | Dissolved |
| ARIADNE GALLERIES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Apr 15, 1981 | Dissolved |
| MARTY MOTORS, INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | May 4, 1981 | Active |
| COMPENSATION PLAN SERVICES, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Oct 21, 1974 | Dissolved |
| ULLMAN DEVICES CORPORATIONRidgefield, CT · Merged | Ridgefield, CT | Corporation | Apr 15, 1964 | Merged |
| MORIN CARPENTRY, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Jul 1, 1981 | Dissolved |
| D. JANASEK SALES COMPANY, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Jul 1, 1981 | Dissolved |
| NORDIC BUILDERS, INC.Ridgefield, CT · Forfeited | Ridgefield, CT | Corporation | Jul 23, 1981 | Forfeited |
| NEIL J. SCHWIMER, D.M.D., P.C.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Jul 27, 1981 | Dissolved |
| EDWARD KOSTER, P.C.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Aug 11, 1981 | Dissolved |
| DONNELLY, MCNAMARA & GUSTAFSON, P.C.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Sep 22, 1981 | Active |
| HELENA HERNMARCK TAPESTRIES INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Dec 24, 1981 | Dissolved |
| ASP EQUIPMENT, INC.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Jan 22, 1982 | Dissolved |
| TERESITA G. MASCARDO M.D., P.C.Ridgefield, CT · Dissolved | Ridgefield, CT | Corporation | Jan 22, 1982 | Dissolved |
| P. S. DESIGN, INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Feb 25, 1982 | Active |
| N. DEAN MEYER & ASSOCIATES, INC.Ridgefield, CT · Active | Ridgefield, CT | Corporation | Mar 15, 1982 | Active |