| Advanced Construction of Mississippi LLC | 1211676 | 2020-05-19 | Dissolved | Hernando |
| Advanced Construction of MS, LLC | 925457 | 2008-01-16 | Dissolved | — |
| Advanced Construction of the Mid-South LLC | 1246670 | 2020-11-26 | Active | Southaven |
| Advanced Construction Services, Inc. | 899651 | 2006-09-27 | Active | Gulfport |
| Advanced Construction Solutions LLC | 1195548 | 2019-12-10 | Dissolved | Jackson |
| Advanced construction solutions LLC | 1442219 | 2024-05-14 | Active | JACKSON |
| Advanced Construction Solutions, LLC | 893613 | 2006-06-09 | Dissolved | — |
| Advanced Construction Technologies, Limited | 887751 | 2006-03-02 | Dissolved | Tulsa |
| ADVANCED CONSTRUCTION TECHNOLOGIES, LLC | 1505251 | 2025-08-25 | Active | RIDGELAND |
| Advanced Construction Unlimited LLC | 1174116 | 2019-04-02 | Active | Columbia |
| Advanced Construction Unlimited LLC | 1072159 | 2015-07-27 | Dissolved | — |
| Advanced Construction, Inc. | 879957 | 2005-10-17 | Dissolved | Gulfport |
| Advanced Consulting Technologies, LLC | 912992 | 2007-05-24 | Active | Madison |
| ADVANCED CONSULTING TECHNOLOGY, INC. | 714351 | 2002-03-15 | Active | Pelahatchie |
| Advanced Consulting, LLC | 1177510 | 2019-05-13 | Active | West Point |
| Advanced Contaminant Recovery US, LLC | 908420 | 2007-03-08 | Dissolved | PASCAGOULA |
| Advanced Contracting Enterprises, Inc | 916486 | 2007-07-27 | Withdrawn | Shubuta |
| Advanced Contracting Sales, LLC | 1263169 | 2021-03-01 | Active | Gulfport |
| Advanced Contracting Services, LLC | 978217 | 2011-02-07 | Active | Gulfport |
| Advanced Contracting Solutions LLC | 1103767 | 2016-10-21 | Revoked | Oxford |
| ADVANCED CONTRACTORS LLC | 878833 | 2005-09-28 | Dissolved | — |
| ADVANCED CONTRACTORS, INC. | 103159 | 1978-10-16 | Revoked | BARTOW |
| ADVANCED CONTROL CONCEPTS, INC. | 527453 | 1986-01-31 | Dissolved | — |
| ADVANCED CONTROL SYSTEMS, INC. | 568752 | 1989-12-29 | Dissolved | TUPELO |
| Advanced Conveyor Installation, LLC | 1457613 | 2024-09-12 | Active | Madison |
| Advanced Correctional Healthcare, Inc. | 915728 | 2007-07-16 | Withdrawn | Gulfport |
| ADVANCED COURTS INC. | 552142 | 1988-04-19 | — | RIDGELAND |
| ADVANCED CRANE PARTS & MODERNIZATION SERVICES LLC | 1095707 | 2016-06-24 | Dissolved | Madison |
| Advanced Credit Recovery Incorporated | 935095 | 2008-07-14 | Dissolved | Amherst |
| Advanced Custom Cabinets, Inc. | 907178 | 2007-02-16 | Canceled | Mobile |
| ADVANCED CUSTOM DOORS, LLC | 657351 | 1998-06-08 | Dissolved | — |
| Advanced Data Corp. | 1149451 | 2018-06-14 | Revoked | Canton |
| Advanced Data Recovery & Forensics Inc. | 967614 | 2010-06-14 | Dissolved | — |
| Advanced Data Services, Inc. | 876963 | 2005-08-19 | Dissolved | — |
| Advanced Daydreams, LLC | 1026324 | 2013-08-15 | Dissolved | — |
| ADVANCED DELIVERY COMPANY, INC. | 688898 | 2000-06-29 | Revoked | Gulfport |
| Advanced Delta Dispatch LLC | 1377540 | 2023-02-07 | Dissolved | RIDGELAND |
| Advanced Dental Clinic, PLLC | 1109908 | 2017-01-25 | Active | JACKSON |
| Advanced Dental Diagnostics of America, LLC | 875648 | 2005-07-25 | Dissolved | — |
| Advanced Dermatology and Skin Cancer Associates PLLC | 1018640 | 2013-04-02 | Revoked | Germantown |
| Advanced Design & Construction, LLC | 859789 | 2004-08-18 | Active | Ridgeland |
| Advanced Design Fire and Security, Inc | 956545 | 2009-10-15 | Dissolved | PENSACOLA |
| ADVANCED DESIGN INCORPORATED | 528738 | 1986-03-13 | Dissolved | — |
| Advanced Design Solutions LLC | 1157694 | 2018-09-21 | Active | Petal |
| Advanced Design Systems LLC | 857409 | 2004-06-28 | — | — |
| Advanced Design Technology Systems Inc. | 909887 | 2007-04-04 | Dissolved | PENSACOLA |
| ADVANCED DEVELOPMENT, INC. | 580936 | 1991-06-14 | Active | GREENVILLE |
| ADVANCED DEVELOPMENTS INCORPORATED | 103160 | 1972-11-14 | Dissolved | BAY ST. LOUIS |
| Advanced Diabetes Management Center, LLC | 1050698 | 2014-09-02 | Dissolved | Saltillo |
| Advanced Diagnostic Imaging, LLC | 863967 | 2004-11-22 | Dissolved | — |