| CONNECTICUT FRIENDS OF BLUEGRASS INC. | 0124412 | 1981-11-12 | Revoked | — |
| CONNECTICUT GENERAL REALTY INVESTORS LIMITED PARTNERSHIP | 0505579 | 1981-10-09 | Canceled | — |
| CONNECTICUT GENERAL REALTY RESOURCES, INC. | 0122908 | 1981-09-29 | Dissolved | — |
| CONNECTICUT HEALTH FOUNDATION, INC. | 0118704 | 1981-05-28 | Active | HARTFORD |
| CONNECTICUT HERITAGE PRODUCTIONS, INC. | 0117899 | 1981-05-12 | Revoked | MIDDLETOWN |
| CONNECTICUT HISPANIC ADDICTION COMMISSION, INC. | 0114448 | 1981-02-10 | Revoked | — |
| CONNECTICUT HONDA AUTOMOBILE DEALERS ASSOCIATION, INC. | 0120727 | 1981-07-23 | Dissolved | — |
| CONNECTICUT INDOOR SOCCER CENTER, INC. | 0114555 | 1981-02-11 | Revoked | — |
| CONNECTICUT INDUSTRIAL FRAGRANCE COMPANY | 0125031 | 1981-12-02 | Dissolved | — |
| CONNECTICUT INFORMATION SYSTEMS, INC. | 0119557 | 1981-06-19 | Revoked | — |
| CONNECTICUT INK DEVELOPMENT CORPORATION | 0114165 | 1981-01-30 | Dissolved | — |
| CONNECTICUT INTERNATIONAL TRADE ASSOCIATION, INC. | 0118926 | 1981-06-03 | Revoked | — |
| CONNECTICUT INVESTMENT COMPANY, INC. | 0123416 | 1981-10-14 | Revoked | — |
| CONNECTICUT LAND VEST ASSOCIATES, INC. | 0114176 | 1981-01-30 | Revoked | — |
| CONNECTICUT LIMESTONE COMPANY, INC. | 0113516 | 1981-01-16 | Revoked | — |
| CONNECTICUT LONG TERM CARE RESEARCH, INC. | 0125783 | 1981-12-29 | Dissolved | Bristol |
| CONNECTICUT MACHINE & MARINE SUPPLIES, INC. | 0114171 | 1981-01-30 | Revoked | — |
| CONNECTICUT MANAGEMENT CORPORATION | 0123067 | 1981-10-02 | Revoked | — |
| CONNECTICUT METAL BUILDINGS SYSTEMS, INC. | 0115495 | 1981-03-11 | Revoked | — |
| CONNECTICUT METALLURGICAL, INC. | 0117126 | 1981-04-22 | Dissolved | — |
| CONNECTICUT METALS INCORPORATED | 0115785 | 1981-03-19 | Dissolved | — |
| CONNECTICUT MINORITY BUSINESS ASSOCIATION INC. | 0116963 | 1981-04-20 | Revoked | — |
| CONNECTICUT MULCH DISTRIBUTORS, INC. | 0119832 | 1981-06-29 | Active | Enfield |
| CONNECTICUT NATIONAL CAMPERS AND HIKERS ASSOCIATION, INC. | 0117459 | 1981-04-30 | Revoked | — |
| CONNECTICUT NAUTILUS COMMITTEE, INC. | 0120396 | 1981-07-13 | Dissolved | — |
| CONNECTICUT OLDTIMERS UNITED, INC. | 0113889 | 1981-01-26 | Revoked | — |
| CONNECTICUT OPTICAL COMPANY, INC. | 0120466 | 1981-07-14 | Dissolved | — |
| CONNECTICUT OUTDOOR EDUCATION ASSOCIATION, INC. | 0113317 | 1981-01-09 | Revoked | — |
| CONNECTICUT PARACHUTISTS, INCORPORATED | 0116807 | 1981-04-14 | Revoked | — |
| CONNECTICUT PLASTIC SURGERY CENTER, INC. | 0124308 | 1981-11-09 | Dissolved | — |
| CONNECTICUT PRESERVATION ACTION, INC. | 0120230 | 1981-07-08 | Active | Bethel |
| CONNECTICUT PROPERTIES OF BRIDGEPORT, INC. | 0116700 | 1981-04-10 | Dissolved | — |
| CONNECTICUT RADIOLOGY ASSOCIATES, P.C. | 0114086 | 1981-01-30 | Dissolved | — |
| CONNECTICUT REALTY DEVELOPMENT CORP. | 0116857 | 1981-04-15 | Revoked | — |
| CONNECTICUT RENDERING, INC. | 0123192 | 1981-10-06 | Revoked | — |
| CONNECTICUT RESTORATION CORP. | 0114781 | 1981-02-20 | Revoked | — |
| CONNECTICUT RIGHT TO WORK COMMITTEE, INC. | 0123688 | 1981-10-22 | Revoked | — |
| CONNECTICUT RIVER RAFT RACE, INC. | 0117626 | 1981-05-05 | Revoked | — |
| CONNECTICUT RUBBER GROUP, INCORPORATED THE | 0113255 | 1981-01-08 | Revoked | — |
| CONNECTICUT SENIOR CITIZENS EDUCATION AND RESOURCE CENTER, INCORPORATED | 0118883 | 1981-06-02 | Revoked | — |
| CONNECTICUT SOCIETY OF COSMETIC FACIAL PLASTIC SURGERY, INC. | 0123570 | 1981-10-19 | Revoked | — |
| CONNECTICUT SOCIETY OF COSMETIC SURGERY, INC. | 0123571 | 1981-10-19 | Revoked | — |
| CONNECTICUT SOCIETY OF FACIAL PLASTIC SURGERY, INC. | 0123580 | 1981-10-19 | Revoked | — |
| CONNECTICUT SOCIETY OF HEALTH-SYSTEM PHARMACISTS, INC. | 0125164 | 1981-12-08 | Active | Farmington |
| CONNECTICUT SOCIETY OF NEUROLOGICAL SURGEONS, INC. | 0113230 | 1981-01-07 | Dissolved | — |
| CONNECTICUT SOCIETY OF PLASTIC AND RECONSTRUCTIVE SURGEONS, INC. | 0123581 | 1981-10-19 | Active | AVON |
| CONNECTICUT SOUND SYSTEMS, INC. | 0114164 | 1981-01-30 | Revoked | — |
| CONNECTICUT STATE POLICE UNION INC. THE | 0113970 | 1981-01-27 | Active | Rocky Hill |
| CONNECTICUT SUNSET DRUM CORPS INC. THE | 0116646 | 1981-04-09 | Revoked | — |
| CONNECTICUT SYMPHONY ORCHESTRA, INC. THE | 0115721 | 1981-03-18 | Revoked | — |