| FEDERAL EXPRESS SERVICE CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 29, 1972 | Revoked |
| FEDERAL SIGN AND SIGNAL CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 8, 1975 | Withdrawn |
| FEEGAS CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 16, 1967 | Withdrawn |
| FERN REALTY CO., INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 14, 1958 | Revoked |
| FIELDS HOSIERY OF CONNECTICUT, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Jul 19, 1974 | Merged |
| FIFTH AVENUE CARDS INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Sep 19, 1966 | Forfeited |
| FINALCO, INCORPORATEDLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Oct 15, 1974 | Forfeited |
| FINANCE ASSOCIATES, INC.Stamford, CT · Dissolved | Stamford, CT | Corporation | Jun 13, 1966 | Dissolved |
| FINANCE/DESIGN/CONSTRUCT, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 1, 1977 | Revoked |
| FINANCIAL COLLECTION AGENCIES (CONNECTICUT) INC.Milford, CT · Merged | Milford, CT | Corporation | Jun 30, 1969 | Merged |
| FINEST CONSTRUCTION CORP.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jan 10, 1977 | Forfeited |
| FIORILLO FLOUR CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Corporation | Jun 6, 1974 | Merged |
| FIRE-LITE ALARMS, INC.Northford, CT · Merged | Northford, CT | Corporation | Oct 2, 1952 | Merged |
| FIREPLACE CORPORATION OF AMERICALocation not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 2, 1972 | Revoked |
| FIRESTONE STORES OF ANSONIA, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 29, 1974 | Revoked |
| FIRESTONE STORES OF STAMFORD, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 19, 1972 | Revoked |
| FIRST BANCLEASE CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 29, 1972 | Revoked |
| BANCBOSTON FBC INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 28, 1974 | Revoked |
| FIRST COMMERCIAL MORTGAGE CORPORATIONLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 5, 1976 | Forfeited |
| WR LAZARD, LAIDLAW & MEAD INCORPORATEDLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Nov 26, 1971 | Forfeited |
| FIRST OF MICHIGAN CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 14, 1972 | Revoked |
| FIXTRON INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Jan 19, 1970 | Merged |
| FLATLEY CONSTRUCTION CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 22, 1974 | Revoked |
| RYDER FINANCIAL & COMMUNICATION SERVICES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 7, 1976 | Revoked |
| FLINTKOTE COMPANY THELocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 11, 1962 | Withdrawn |
| FLOYD MONROE & SON, INCORPORATEDLocation not reported, CT · Merged | Location not reported, CT | Corporation | Jul 31, 1946 | Merged |
| COWLES BUSINESS MEDIA, INC.Stamford, CT · Merged | Stamford, CT | Corporation | Dec 26, 1975 | Merged |
| FOOD-CRAFTS, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Oct 19, 1950 | Forfeited |
| FORD, BACON & DAVIS CONSTRUCTION CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | May 4, 1962 | Revoked |
| FORD MOTOR COMPANYLocation not reported, CT · Active | Location not reported, CT | Corporation | Jan 2, 1964 | Active |
| FORECAST INTERNATIONAL INC.Location not reported, CT · Active | Location not reported, CT | Corporation | May 21, 1973 | Active |
| FOREMOST INDUSTRIES INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 23, 1977 | Forfeited |
| FORESTVILLE INDUSTRIES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 31, 1966 | Withdrawn |
| FOSTER SECURITIES CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 19, 1974 | Revoked |
| FOUR SEASONS RACQUET CLUB, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jun 16, 1976 | Dissolved |
| FRANCOSTEEL CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 13, 1974 | Revoked |
| FRANK BRISCOE COMPANY, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 19, 1966 | Revoked |
| FRANKLIN CORPORATION THE (NEW YORK)Location not reported, CT · Revoked | Location not reported, CT | Corporation | Nov 7, 1966 | Revoked |
| FRAWLEY CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 12, 1970 | Withdrawn |
| AECOM USA, INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Oct 5, 1954 | Active |
| FRIGI-XONIX, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 30, 1972 | Revoked |
| FROZEN SPECIALTIES CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | May 13, 1976 | Revoked |
| FRUEHAUF DISTRIBUTING COMPANYLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 5, 1949 | Revoked |
| FRUEHAUF RENTAL EQUIPMENT INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 11, 1973 | Revoked |
| FULLER BRUSH COMPANY THELocation not reported, CT · Dissolved | Location not reported, CT | Corporation | Jan 21, 1975 | Dissolved |
| FURMANITE AMERICA, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 19, 1975 | Revoked |
| G C SERVICES CORP.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 18, 1977 | Withdrawn |
| G. FOX & CO.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Dec 13, 1965 | Dissolved |
| G. J. PAYNE COMPANYLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 3, 1975 | Revoked |
| GRC REALTY CORPORATIONStamford, CT · Active | Stamford, CT | Corporation | Oct 10, 1972 | Active |