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| ADVANTAGE CAPITAL INSURANCE AGENCY, INC. | — | 20020089 F | 2001-08-07 | Merged | AUGUSTA |
| ADVANTAGE CARPET CARE AND CLEANING SOLUTIONS, LLC | — | 20043126DC | 2004-06-18 | Dissolved | NEW GLOUCESTER |
| ADVANTAGE CHIROPRACTIC, P.A. | — | 20040740 D | 2003-10-29 | Active | PORTLAND |
| ADVANTAGE CLEANING, INC. | — | 20030999 D | 2002-12-19 | Active | PORTLAND |
| ADVANTAGE COMMERCIAL FUNDING, LLC | — | 19990790DC | 1999-04-30 | Dissolved | FALMOUTH |
| ADVANTAGE COMMUNICATIONS GROUP, INC. | — | 19950548 F | 1995-02-24 | Withdrawn | AUGUSTA |
| ADVANTAGE CONCRETE, INC. | — | 20061592 D | 2006-03-03 | Dissolved | GARLAND |
| ADVANTAGE CONSTRUCTION AND EXCAVATION | — | 20002701 D | 2000-06-28 | Suspended | SOUTH PORTLAND |
| ADVANTAGE CONSTRUCTION, INC. | — | 20110919 F | 2011-06-15 | Withdrawn | AUGUSTA |
| ADVANTAGE CONSULTING & TECHNOLOGY, INC. | — | 19971025 D | 1996-12-02 | Suspended | PORTLAND |
| ADVANTAGE CONSULTING SERVICES CORP | — | 20150347D | 2014-11-03 | Dissolved | — |
| ADVANTAGE CONSULTING SERVICES, LLC | — | 20173032DC | 2014-11-03 | Dissolved | PORTLAND |
| ADVANTAGE CORPORATE INCOME FUND L.P. | — | 19940008LF | 1993-09-21 | Withdrawn | AUGUSTA |
| ADVANTAGE CREDIT COUNSELING SERVICE, INC. | — | 20120191 F | 2011-09-15 | Active | AUGUSTA |
| ADVANTAGE CUSTOM HOMES, INC. | — | 20042806 D | 2004-06-28 | Active | KENNEBUNK |
| ADVANTAGE DEALER SERVICE, LLC | — | 20130379FC | 2012-12-17 | Canceled | Lakewood |
| ADVANTAGE DEVELOPMENT GROUP, LLC | — | 20010535DC | 2000-11-27 | Suspended | FALMOUTH |
| ADVANTAGE DRIVING SCHOOL, LLC | — | 20100162DC | 2009-07-20 | Dissolved | TOPSHAM |
| ADVANTAGE DRONE LLC | — | 20174118DC | 2017-02-23 | Canceled | HAMPDEN |
| ADVANTAGE ELECTRICAL SERVICE COMPANY, LLC | — | 20144396DC | 2014-05-20 | Dissolved | HOPE |
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| ADVANTAGE ENGINEERING, INC. | — | 20030818 D | 2002-11-22 | Dissolved | — |
| ADVANTAGE EXPERTS SERVICES LLC | — | 20230804FC | 2022-12-06 | Active | AUGUSTA |
| ADVANTAGE EXPRESS APPRAISAL, INC. | — | 19961601 D | 1996-02-01 | Suspended | WATERVILLE |
| ADVANTAGE FINANCIAL SERVICES | — | 19911829 D | 1991-04-22 | Suspended | WINDHAM |
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| ADVANTAGE FUEL, LLC | — | 20092187DC | 2009-03-09 | Canceled | KITTERY |
| ADVANTAGE FUNDING GROUP, INC. | — | 19960307 F | 1995-10-12 | Withdrawn | AUGUSTA |
| ADVANTAGE GLOBAL GROUP USA, INC. | — | 202500985 F | 2025-04-10 | Active | YORK |
| ADVANTAGE HEALTH CORF OF MAINE, INC. | — | 19941662 D | 1994-02-24 | Merged | PORTLAND |
| ADVANTAGE HEALTH CORPORATION | — | 19970602 F | 1996-12-30 | Withdrawn | AUGUSTA |
| ADVANTAGE HEALTH CORPORATION | — | 20070040 F | 2006-07-21 | Withdrawn | AUGUSTA |
| ADVANTAGE HEALTH MANAGEMENT CORP. | — | 19880257 F | 1987-11-16 | Withdrawn | AUGUSTA |
| ADVANTAGE HEALTH SERVICES, INC. | — | 19990556 F | 1998-12-09 | Withdrawn | AUGUSTA |
| ADVANTAGE HOME CARE, LLC | — | 20090884DC | 2008-10-06 | Dissolved | PORTLAND |
| ADVANTAGE HOME INSPECTION LLC | — | 20102737DC | 2010-04-07 | Dissolved | PORTLAND |
| ADVANTAGE HOME RENTALS LLC | — | 202401324DC | 2024-01-01 | Dissolved | SANFORD |
| ADVANTAGE HOMES, INC. | — | 19862079 D | 1986-04-04 | Active | PITTSFIELD |
| ADVANTAGE HUMAN RESOURCING, INC. | — | 20120319 F | 2011-10-17 | Withdrawn | AUGUSTA |
| ADVANTAGE LANDSCAPING, LLC | — | 20052719DC | 2005-03-28 | Active | PORTLAND |
| ADVANTAGE LAWN CARE, INC. | — | 19991849 D | 1999-03-30 | Suspended | — |
| ADVANTAGE MANAGEMENT SYSTEMS INC. | — | 20090525 F | 2009-01-08 | Active | AUGUSTA |
| ADVANTAGE MEDIA GROUP | — | 20062441 D | 2004-03-25 | Active | KENNEBUNK |
| ADVANTAGE MEDICAL INFUSION, LLC | — | 20150085FC | 2014-08-08 | Withdrawn | AUGUSTA |
| ADVANTAGE MOBILE HOME BROKERS, INC. | — | 19850036 D | 1984-07-02 | Active | LEBANON |
| ADVANTAGE MORTGAGE CORPORATION | — | 19990140 F | 1998-08-07 | Withdrawn | AUGUSTA |
| ADVANTAGE MORTGAGE SERVICES, INC. | — | 19981183 D | 1997-12-22 | Dissolved | ROCKLAND |
| ADVANTAGE MOTORS, INC. | — | 19951146 D | 1994-12-27 | Suspended | WATERVILLE |
| ADVANTAGE PAYROLL OF MAINE, INC. | — | 20021412 D | 2002-02-08 | Dissolved | Portland |