| Alabama Community Risk Reduction Educators Inc | — | 000-825-538 | 2020-12-22 | Active | TUSCALOOSA |
| Alabama Community Service Corporation | — | 000-077-917 | 1995-07-05 | Active | BIRMINGHAM |
| Alabama Community Television, Inc. | — | 000-177-205 | 1996-01-24 | Active | SYLACAUGA |
| Alabama Community Theatre, Inc. | — | 000-064-775 | 1985-08-22 | Dissolved | MONTGOMERY |
| Alabama Community and Safety Services, Inc. | — | 000-079-794 | 1997-02-20 | Active | ANDALUSIA |
| Alabama Compact for Leadership and Citizenship Education | — | 000-813-617 | 1994-04-14 | Active | MONTGOMERY |
| Alabama Company | — | 000-704-207 | 1904-05-04 | Merged | GADSDEN |
| Alabama Company of Trading, LLC | — | 000-436-051 | 2009-07-14 | Dissolved | HUNTSVILLE |
| Alabama Compassion In Action | — | 000-016-168 | 2011-06-20 | Active | |
| Alabama Compensation Association, Inc | — | 000-030-500 | 2012-03-21 | Active | |
| Alabama Competition Engines with Dyno, LLC | — | 001-223-326 | 2025-12-05 | Active | |
| Alabama Complete Foods, Inc. | — | 000-704-280 | 1965-09-27 | Merged | WILMINGTON |
| Alabama Component Manufacturers Association | — | 000-072-326 | 2012-08-02 | Active | Lineville |
| Alabama Composite Technologies, Inc. | — | 000-155-298 | 1993-03-01 | Dissolved | WETUMPKA |
| Alabama Compounds LLC | — | 000-619-983 | 2010-07-14 | Withdrawn | ALABASTER |
| Alabama Comprehensive Breast Center, Inc. | — | 000-226-086 | 2002-11-19 | Dissolved | MONTGOMERY |
| Alabama Comprehensive Rehabilitation, Inc. | — | 000-895-586 | 1991-01-09 | Withdrawn | ATLANTA |
| Alabama Compress Company | — | 000-702-276 | 1905-05-21 | Dissolved | MONTGOMERY |
| Alabama Compress and Storage Company | — | 000-702-281 | 1900-01-01 | Dissolved | MONTGOMERY |
| Alabama Compressed Air Service Inc | — | 000-345-344 | 2015-09-24 | Active | TRUSSVILLE |
| Alabama Compressors, Inc. | — | 000-088-987 | 1982-09-29 | Dissolved | DUNCANVILLE |
| Alabama Computer Associates, Inc. | — | 000-138-496 | 1990-08-08 | Active | HOOVER |
| Alabama Computer Center, Inc. | — | 000-702-291 | 1962-07-06 | Dissolved | BIRMINGHAM |
| Alabama Computer Concepts, Inc. | — | 000-225-213 | 2002-09-24 | Active | ALEXANDRIA |
| Alabama Computer Consulting LLC | — | 000-525-728 | 2018-08-03 | Active | |
| Alabama Computer Leasing | — | 000-702-296 | 1980-12-09 | Dissolved | DAPHNE |
| Alabama Computer Outlet, L.L.C. | — | 000-694-948 | 2003-11-21 | Active | ARGO |
| Alabama Computer Repair, LLC | — | 000-416-788 | 2008-02-27 | Active | MONTGOMERY |
| Alabama Computer Security Inc. | — | 000-229-211 | 2003-05-21 | Dissolved | LACEY |
| Alabama Computer Services, Inc. | — | 000-041-229 | 1976-04-06 | Active | ALBERTVILLE |
| Alabama Computer Solutions LLC | — | 000-677-326 | 2001-08-23 | Active | MONTGOMERY |
| Alabama Computer Training, Inc. | — | 000-702-302 | 1968-11-06 | Active | BIRMINGHAM |
| Alabama Computer Warehouse, Inc. | — | 000-192-751 | 1998-01-09 | Active | GUNTERSVILLE |
| Alabama Computer Wholesale, LLP | — | 000-400-839 | 2000-10-30 | Canceled | GULF SHORES |
| Alabama Computer-Accounting-Bookkeeping Services, Inc. | — | 000-702-288 | 1973-06-11 | Dissolved | SELMA |
| Alabama Computers & Communications, Inc. | — | 000-203-292 | 1999-06-07 | Active | ALABASTER |
| Alabama Computers, Inc. | — | 000-088-403 | 1982-08-20 | Active | HUNTSVILLE |
| Alabama Concerned Riders Association, Inc./ACRA | — | 000-560-301 | 2004-07-09 | Active | PELHAM |
| Alabama Concerns of Police Survivors, Inc | — | 000-555-231 | 2001-09-04 | Active | LOWNDESBORO |
| Alabama Concert Associates Inc. | — | 000-702-305 | 1975-06-13 | Dissolved | MONTEVALLO |
| Alabama Concessions, Inc. | — | 000-107-557 | 1985-12-17 | Dissolved | BIRMINGHAM |
| Alabama Concours d'Elegance Foundation | — | 000-353-926 | 2016-02-26 | Dissolved | NORTH BIRMINGHAM |
| Alabama Concrete Cleaners, LLC | — | 000-385-770 | 2017-03-15 | Active | |
| Alabama Concrete Co. of Huntsville | — | 000-702-751 | 1977-03-01 | Merged | HUNTSVILLE |
| Alabama Concrete Company, Inc. | — | 000-702-740 | 1963-03-28 | Dissolved | HUNTSVILLE |
| Alabama Concrete Construction & Finishing, LLC | — | 000-667-804 | 2000-01-04 | Active | SELMA |
| Alabama Concrete Construction, LLC | — | 000-693-849 | 2003-10-08 | Active | FLORENCE |
| Alabama Concrete Curbing, LLC | — | 000-396-499 | 2017-07-19 | Active | |
| Alabama Concrete Design, Inc. | — | 000-243-207 | 2005-08-26 | Dissolved | TUSCALOOSA |
| Alabama Concrete Industries Association | — | 000-818-678 | 1963-09-12 | Active | SELMA |