| BALANCED CAPITAL SERVICES, INC.Hartford, CT · Merged | Hartford, CT | Corporation | Feb 22, 1972 | Merged |
| BALCO, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 14, 1975 | Revoked |
| B-U MUSIC CORP.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 28, 1973 | Revoked |
| BALDWIN-STEWART ELECTRIC COMPANY, THEHartford, CT · Merged | Hartford, CT | Corporation | Jan 28, 1958 | Merged |
| BALL CORPORATIONLocation not reported, CT · Active | Location not reported, CT | Corporation | Sep 27, 1976 | Active |
| BALLARD OIL CO.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Jan 12, 1962 | Forfeited |
| BALTIMORE BUSINESS FORMS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 25, 1965 | Revoked |
| BALTIMORE PAINT AND CHEMICAL CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | May 10, 1974 | Revoked |
| BANCAL LEASING COMPANYLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 12, 1973 | Revoked |
| BANTAM PROPERTIES, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Jul 7, 1955 | Dissolved |
| BARTRAM REALTY CO., INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Sep 16, 1959 | Merged |
| BASKIN-ROBBINS, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jul 22, 1965 | Withdrawn |
| BATO COMPANY, INC. THELocation not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 6, 1972 | Revoked |
| BEAUMONT BIRCH COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 17, 1969 | Withdrawn |
| BECHTEL CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 28, 1952 | Withdrawn |
| BECHTEL, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 13, 1970 | Revoked |
| AUERBACH & BECKER, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Mar 2, 1973 | Merged |
| BECTON DICKINSON AND COMPANYLocation not reported, CT · Active | Location not reported, CT | Corporation | Aug 22, 1961 | Active |
| BEEBE SCHOOL TRANSPORTATION, INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Nov 1, 1961 | Merged |
| BELL & HOWELL COMPANYLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Mar 1, 1966 | Withdrawn |
| THE BELL PUMP SERVICE COMPANY, INC.Glastonbury, CT · Active | Glastonbury, CT | Corporation | Dec 30, 1946 | Active |
| BENEFICIAL CENTERS, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Mar 5, 1962 | Revoked |
| BENEFICIAL FINANCE CO. OF EAST HARTFORDLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 19, 1970 | Withdrawn |
| BENEFICIAL FINANCE CO. OF GREENWICHLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 24, 1965 | Withdrawn |
| BENEFICIAL FINANCE CO. OF WINDSORLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 22, 1966 | Withdrawn |
| BENGAN REALTY COMPANY, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Dec 1, 1964 | Dissolved |
| REMINGTON TECHNOLOGY, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Dec 13, 1968 | Revoked |
| BEROL WORLD TRADE, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jan 28, 1974 | Revoked |
| ASSA ABLOY ENTRANCE SYSTEMS US INC.Location not reported, CT · Active | Location not reported, CT | Corporation | Mar 18, 1975 | Active |
| JABEZ, INC.Location not reported, CT · Dissolved | Location not reported, CT | Corporation | Sep 17, 1953 | Dissolved |
| BIRD ELECTRON BEAM CORPORATIONSuffield, CT · Merged | Suffield, CT | Corporation | Aug 8, 1967 | Merged |
| BLACK AND DECKER MANUFACTURING COMPANY, THELocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jun 14, 1961 | Withdrawn |
| BLISS & LAUGHLIN INDUSTRIES INCORPORATEDLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Jan 4, 1966 | Withdrawn |
| BOEHRINGER MANNHEIM CORPORATIONLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Jan 30, 1974 | Revoked |
| BOOKTHRIFT, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 23, 1977 | Withdrawn |
| BOOZ ALLEN & HAMILTON INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | May 26, 1977 | Withdrawn |
| BOSS-LINCO LINES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Jul 21, 1972 | Revoked |
| BOST ENTERPRISES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | May 28, 1976 | Revoked |
| BOULEVARD DODGE SALES, INC.Location not reported, CT · Withdrawn | Location not reported, CT | Corporation | Sep 22, 1969 | Withdrawn |
| BOVIA CORPORATIONLocation not reported, CT · Withdrawn | Location not reported, CT | Corporation | Apr 12, 1965 | Withdrawn |
| BOYDCO, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Apr 6, 1976 | Revoked |
| MITTMAN REALTY CO., INC.Location not reported, CT · Merged | Location not reported, CT | Corporation | Jan 24, 1958 | Merged |
| BRADLEY'S EXPRESS, INCORPORATEDLocation not reported, CT · Forfeited | Location not reported, CT | Corporation | Apr 9, 1951 | Forfeited |
| BRANCH MOTOR EXPRESS COMPANYLocation not reported, CT · Revoked | Location not reported, CT | Corporation | Oct 22, 1962 | Revoked |
| BRAND INDUSTRIAL SERVICES, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 7, 1972 | Revoked |
| BRANDS APPLIANCE MART OF CONN., INC.Location not reported, CT · Forfeited | Location not reported, CT | Corporation | Aug 4, 1969 | Forfeited |
| BRANHAVEN CVS, INC.Branford, CT · Merged | Branford, CT | Corporation | May 8, 1972 | Merged |
| BRIDGEPORT DODGE, INC.Location not reported, CT · Revoked | Location not reported, CT | Corporation | Aug 31, 1971 | Revoked |
| BRIDGEPORT ENGRAVERS SUPPLY COMPANY, INCORPORATEDLocation not reported, CT · Merged | Location not reported, CT | Corporation | Feb 27, 1935 | Merged |
| THE BRIDGEPORT REALTY CORPORATIONLocation not reported, CT · Merged | Location not reported, CT | Corporation | Mar 31, 1960 | Merged |