| CH AUTOMOTIVE LLC | Retail trade | 000505512 | 1981-11-12 | Dissolved | JOHNSTON |
| CHALLENGE SPORTS SHOP, INC. | — | 000077422 | 1981-06-10 | Revoked | |
| CHARISMA CHRISTIAN BOOK & GIFT HOUSE, INC. | — | 000003998 | 1981-10-15 | Revoked | PAWTUCKET |
| CHARLES EARLE'S NAUTILUS DOWNTOWN, INC. | — | 000010727 | 1981-09-11 | Dissolved | PROVIDENCE |
| CHARLES F. G. JONES, M.D., INC. | — | 000025296 | 1981-06-24 | Revoked | |
| CHARLES ZANDER ENTERPRISES, LTD. | — | 000019324 | 1981-08-07 | Revoked | SLATERSVILLE |
| CHARLESTOWN DISPOSAL SERVICE, INC. | — | 000004011 | 1981-10-09 | Revoked | WESTERLY |
| CHARLESTOWN SAND & GRAVEL CO., INC. | — | 000004017 | 1981-03-18 | Revoked | |
| CHARLOTTE LEASING, INC.FC: 12/31/88 | — | 000077426 | 1981-04-09 | Revoked | |
| CHASE MANAGEMENT CORP. | — | 000004041 | 1981-05-15 | Suspended | |
| CHATEAUX CONDOMINIUM, INC. | — | 000028677 | 1981-05-19 | Revoked | |
| CHILDREN'S BOOK STORE, LTD., THE | — | 000004123 | 1981-12-16 | Revoked | |
| CHIROPRACTIC ASSOCIATES OF WESTERLY, INC. | Health care and social assistance | 000004149 | 1981-07-01 | Dissolved | WESTERLY |
| CHOICE HOTELS INTERNATIONAL, INC. | Administrative and waste services | 000026547 | 1981-03-18 | Active | NORTH BETHESDA |
| CHOP, INC. | — | 000004159 | 1981-01-07 | Revoked | COVENTRY |
| CHRISTOPHER MOTORS, INC. | Retail trade | 000004176 | 1981-09-17 | Active | WARWICK |
| CIAK LABORATORIES, INC. | Finance and insurance | 000022060 | 1981-09-18 | Withdrawn | PROVIDENCE |
| CIGNA Direct Marketing Company, Inc. | Wholesale trade | 000023959 | 1981-05-18 | Withdrawn | PHILADELPHIA |
| CINEVEST, Incorporated | — | 000022090 | 1981-06-04 | Revoked | |
| CIRCLE ELECTRIC, INC. | — | 000004207 | 1981-08-17 | Revoked | |
| CITICORP NATIONAL SERVICES, INC. | Finance and insurance | 000022102 | 1981-11-03 | Withdrawn | O'FALLON |
| CITIZENS COMMITTEE FOR WARWICK SCHOOLS, INC. | — | 000029286 | 1981-09-10 | Revoked | |
| CLANN NA GAEL SOCIETY | — | 000029437 | 1981-04-15 | Revoked | |
| CLASSICAL HAIR DESIGN, LTD. | — | 000004293 | 1981-07-20 | Revoked | |
| CLIPPER SWIMMERS PARENTS' CLUB | — | 000029513 | 1981-02-04 | Revoked | |
| CODDBARRETT ASSOCIATES, INC. | — | 000004379 | 1981-12-23 | Revoked | BARRINGTON |
| CODDINGTON LANDING ASSOCIATES | — | 000049131 | 1981-07-02 | Dissolved | |
| COGUN, INC. | — | 000022267 | 1981-08-19 | Revoked | NORTH LIMA |
| COLAGIOVANNI, INC. | — | 000004405 | 1981-05-22 | Revoked | CRANSTON |
| COLE AVENUE REALTY COMPANY, LTD. | — | 000004412 | 1981-07-28 | Revoked | |
| COLONY FORD TRUCK CENTER, INC. | — | 000022325 | 1981-12-21 | Merged | |
| COLORTYME, INC. | — | 000022365 | 1981-11-03 | Withdrawn | IRVING |
| COMBINED HEALTH APPEAL OF RHODE ISLAND, INC. | — | 000029815 | 1981-04-22 | Revoked | |
| COMDIVE INTERNATIONAL LIMITED | — | 000004538 | 1981-11-02 | Suspended | |
| COMPUTER SYSTEMS ANALYSIS, INC. | — | 000004630 | 1981-07-17 | Revoked | |
| CONCORD MANUFACTURING CORPORATION | — | 000052147 | 1981-05-11 | Merged | |
| CONDOMINIUMS ON COLLEGE HILL, LTD. | — | 000004671 | 1981-05-15 | Suspended | |
| CONNELL HIGHWAY MAINTENANCE CO., INC. | — | 000004693 | 1981-12-23 | Revoked | NEWPORT |
| CONRAD J. DUBOIS CONSULTING SERVICES, LTD.FC: 12/31/88 | — | 000008536 | 1981-04-22 | Revoked | |
| CONROY DALY Insurance Agency, Inc. | Finance and insurance | 000005972 | 1981-01-27 | Dissolved | WARWICK |
| CONSIDINE SALES CORPORATION | — | 000004706 | 1981-10-30 | Revoked | |
| CONSTRUCTION SERVICES, INC. | — | 000004731 | 1981-12-01 | Revoked | CRANSTON |
| CONSTRUCTION SYSTEMS, INC. | — | 000004733 | 1981-09-16 | Revoked | |
| CONTINENTAL CREATIONS, INC. | — | 000004764 | 1981-07-28 | Revoked | |
| CONTROLLED VENTILATION SYSTEMS, INC. | — | 000004791 | 1981-12-14 | Revoked | |
| CONWAY DIET INSTITUTE, INC. | — | 000022657 | 1981-01-13 | Revoked | |
| COORDINATED INSTALLATIONS INC. | — | 000004817 | 1981-12-18 | Revoked | |
| COPY DYNAMICS OF R.I., INC. | — | 000077463 | 1981-01-27 | Revoked | |
| CORPORATE & ESTATE ANALYST, INCORPORATED | — | 000004864 | 1981-07-07 | Revoked | |
| COSMIQUE EXPORTS PRIVATE LIMITED | — | 000022738 | 1981-08-21 | Revoked | |