| ADVANCED MARKETING, INC. | 519813 | 1985-02-21 | Dissolved | — |
| Advanced Masonry LLC | 1089053 | 2016-03-24 | Dissolved | Mantachie |
| Advanced Mass Appraisal and Consulting LLC | 924874 | 2008-01-04 | Active | Pascagoula |
| ADVANCED MATERIAL SOLUTIONS OF MISS., INC. | 691471 | 2000-09-01 | Merged | — |
| ADVANCED MATERIAL SOLUTIONS, INC. | 743740 | 2003-12-29 | Canceled | — |
| Advanced Materials Manufacturing, LLC | 1053848 | 2014-10-20 | Dissolved | Belden |
| ADVANCED MATERIALS PROCESSING, INC. | 573980 | 1990-08-02 | Withdrawn | Gulfport |
| Advanced Meal Prep LLC | 1180238 | 2019-06-17 | Active | Biloxi |
| Advanced Mechanical Contractors, Inc. | 908970 | 2007-03-19 | Dissolved | — |
| Advanced Mechanical LLC | 1318588 | 2022-01-07 | Revoked | JACKSON |
| Advanced Mechanical of Northern Kentucky LLC | 1308997 | 2021-10-25 | Withdrawn | Crystal Springs |
| Advanced Mechanical Services | 1080861 | 2015-12-07 | Withdrawn | Brandon |
| Advanced Media Communications, LLC | 861485 | 2004-09-24 | Dissolved | Pelham |
| Advanced Media Design Systems, L.L.C. | 953352 | 2009-08-07 | Dissolved | Gulfport |
| ADVANCED MEDIA STRATEGIES LLC | 716881 | 2002-05-08 | Dissolved | — |
| ADVANCED MEDICAL & BRACING SOLUTIONS, LLC | 1080805 | 2015-12-04 | Dissolved | — |
| ADVANCED MEDICAL BILLING SERVICES, INC. | 698329 | 2001-02-21 | Dissolved | TUPELO |
| ADVANCED MEDICAL CLINIC LLC | 1065073 | 2015-04-10 | Dissolved | Belden |
| ADVANCED MEDICAL DIAGNOSTIC, INC. | 598711 | 1993-07-01 | Dissolved | INDIANOLA |
| Advanced Medical Equipment, L.L.C. | 874170 | 2005-06-21 | Dissolved | — |
| Advanced Medical Funding, LLC | 1104159 | 2016-10-26 | Dissolved | JACKSON |
| Advanced Medical Group, LLC | 1071416 | 2015-07-15 | Dissolved | Hattiesburg |
| Advanced Medical Imaging of Greenville, LLC | 934915 | 2008-07-09 | Active | Greenville |
| Advanced Medical Imaging of Greenwood, LLC | 1241085 | 2020-10-14 | Active | Greenville |
| Advanced Medical Imaging, LLC | 931934 | 2008-05-12 | Active | Greenville |
| ADVANCED MEDICAL MANAGEMENT, INC. | 517002 | 1984-07-18 | Revoked | — |
| Advanced Medical Partners, Inc. | 898931 | 2006-09-14 | Withdrawn | Gulfport |
| Advanced Medical Personnel Services Inc | 947593 | 2009-04-06 | Revoked | JACKSON |
| Advanced Medical Rehabilitation, L.L.C. | 872528 | 2005-05-18 | Dissolved | CLARKSDALE |
| Advanced Medical Research and Design, Inc. | 1017371 | 2013-03-12 | Dissolved | Jackson |
| Advanced Medical Resources, L.P. | 990427 | 2011-10-14 | — | Gulfport |
| Advanced Medical Resources, LLC | 1005290 | 2012-07-18 | Withdrawn | Gulfport |
| Advanced Medical Reviews, LLC | 1011864 | 2012-11-29 | Revoked | Madison |
| Advanced Medical Reviews, LLC | 1431548 | 2024-02-27 | Active | Madison |
| ADVANCED MEDICAL SERVICES, INC. | 8701625 | 1987-04-10 | Dissolved | BRANDON |
| Advanced Medical Solutions & Education LLC | 1349903 | 2022-07-20 | Dissolved | Purvis |
| Advanced Medical Solutions LLC | 1510180 | 2025-09-29 | Active | Olive Branch |
| ADVANCED MEDICAL SOLUTIONS LLC | 1065072 | 2015-04-10 | Dissolved | Belden |
| Advanced Medical Solutions, Inc. | 1126247 | 2017-08-14 | Revoked | JACKSON |
| Advanced Medical Solutions, LLC | 954330 | 2009-08-28 | Dissolved | — |
| Advanced Medical Specialists LLC | 1506080 | 2025-08-29 | Active | Flowood |
| ADVANCED MEDICAL STAFFING, INCORPORATED | 962439 | 2010-02-26 | Dissolved | — |
| Advanced Medical Supply, LLC | 981325 | 2011-04-06 | Dissolved | — |
| Advanced Medical Systems, Inc. | 869820 | 2005-03-23 | Active | BILOXI |
| Advanced Medical Technologies, LLC | 1000682 | 2012-04-23 | Dissolved | Southaven |
| Advanced Medical Wellness & Aesthetics, LLC | 957381 | 2009-11-04 | Active | Greenville |
| Advanced Medical, Inc. | 869273 | 2005-03-11 | Dissolved | — |
| Advanced Medical, LLC | 874596 | 2005-06-30 | Active | Jackson |
| Advanced Medical-Legal Consultants, LLC | 893013 | 2006-05-31 | Dissolved | — |
| ADVANCED MENTAL HEALTH SERVICES, INC. | 643674 | 1997-06-16 | Dissolved | — |