| BRIGHAM'S INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 11, 1971 | Withdrawn |
| BRISTOL-MYERS SQUIBB COMPANYLocation not reported, CT · Active | Location not reported, CT | Corporation | Oct 22, 1973 | Active |
| BRITTANY FARMS HEALTH CENTER, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Dec 30, 1971 | Dissolved |
| BROADRIVER, INCORPORATEDLocation not reported, CT · Active | Location not reported, CT | Corporation | Dec 3, 1953 | Active |
| BROOKFIELD CVS, INC.Brookfield, CT · Merged | Brookfield, CT | Corporation | Oct 7, 1976 | Merged |
| BROOKLINE INSTRUMENT COMPANY, INCORPORATEDLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 23, 1976 | Withdrawn |
| BROOKS - HARTFORD, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Dec 6, 1965 | Merged |
| BROOKS-NEW MILFORD, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Oct 24, 1968 | Merged |
| BROWN THOMSON, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Aug 5, 1968 | Dissolved |
| BROWNSTONE PHARMACY, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Jul 26, 1960 | Merged |
| BROYLES & BROYLES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 16, 1975 | Revoked |
| BUCKLEY BROS. INCORPORATEDLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 5, 1964 | Withdrawn |
| BURBANK & COMPANY, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 17, 1973 | Revoked |
| BURGESS & BLACHER COMPANYLocation not reported, CT · Revoked | Location not reported, CT | Corporation | May 4, 1967 | Revoked |
| BURTON'S OF VALLEY STREAM, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 29, 1970 | Revoked |
| BURT'S ANSONIA, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Apr 12, 1971 | Dissolved |
| BURT'S MERIDEN, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jun 30, 1971 | Dissolved |
| BUTLER TECHNICAL SERVICES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 20, 1975 | Withdrawn |
| CBA, NEW LONDON, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jun 1, 1976 | Revoked |
| CBM OF CONNECTICUT, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Aug 20, 1973 | Merged |
| CBM SERVICES FOR GOVERNMENT, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Sep 22, 1975 | Revoked |
| CBT REALTY CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Corporation | Apr 23, 1971 | Merged |
| C. C. C. ADVISORS, INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Mar 10, 1977 | Forfeited |
| CC CONSOLIDATED COMPUTER INTERNATIONAL, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 12, 1971 | Revoked |
| CDR MAGUIRE INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 24, 1969 | Active |
| CF AIR FREIGHT, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Nov 23, 1966 | Revoked |
| C. G. ENGINEERS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 9, 1976 | Withdrawn |
| CHC GREENSHIRE, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Apr 16, 1973 | Merged |
| CIG COMPUTER PRODUCTS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 1, 1974 | Revoked |
| CIG MARKETING CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 19, 1976 | Revoked |
| CNB EQUITY CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Corporation | Aug 14, 1975 | Merged |
| CPC CORPORATE PLANNERS AND COORDINATORS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Nov 26, 1976 | Revoked |
| C P S CABLE VISION CONSTRUCTION, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Feb 19, 1976 | Revoked |
| C. R. DANIELS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 15, 1971 | Revoked |
| C & R INTERNATIONAL, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Feb 28, 1973 | Dissolved |
| CADESCA REALTY COMPANY, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 30, 1965 | Withdrawn |
| URS CORPORATION - CONNECTICUTRocky Hill, CT · Merged | Rocky Hill, CT | Corporation | Jun 27, 1968 | Merged |
| CAHNERS PUBLISHING COMPANY, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Oct 16, 1972 | Withdrawn |
| CAISSON CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 15, 1970 | Revoked |
| CALGON CARBON CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 18, 1969 | Active |
| CALIFORNIA COMPUTER PRODUCTS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Nov 15, 1971 | Revoked |
| CALLAHAN MINING CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Apr 5, 1974 | Withdrawn |
| CALLDATA SYSTEMS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 23, 1975 | Withdrawn |
| CAMBRIDGE SEVEN ASSOCIATES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jan 5, 1970 | Revoked |
| CDM SMITH INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Dec 21, 1971 | Active |
| CANAAN PRODUCTS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Feb 27, 1961 | Withdrawn |
| DOSA BOTTLING OF NEW YORK CITY, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 6, 1977 | Revoked |
| BOMBARDIER AEROSPACE CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Mar 11, 1977 | Active |
| CANDLEWOOD VALLEY BUS CO.Location not reported, CT · Merged | Location not reported, CT | Corporation | Apr 19, 1971 | Merged |
| CANTEEN CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 7, 1969 | Revoked |