| AMERICAN MARINE HOLDINGS, INC. | — | 000163463 | 2007-04-19 | Revoked | — |
| AMERICAN MARINE PRODUCTS, LLC | — | 000418620 | 2008-05-30 | Revoked | WEST KINGSTON |
| American Marketing Association Southeast New England (AMASNE) | — | 000742469 | 2011-12-01 | Revoked | PROVIDENCE |
| AMERICAN MARKETING COMPANY, INC. | — | 000037553 | 1986-02-20 | Revoked | NARRAGANSETT |
| American Marketing Company, Inc. | Wholesale trade | 000487506 | 2008-11-25 | Active | LINCOLN |
| American Martial Arts & Cardio Kickboxing, Inc. | Educational services | 000123903 | 2002-04-01 | Active | GREENVILLE |
| AMERICAN MARTIAL ARTS CENTER LLC | Arts and entertainment | 000797065 | 1994-06-01 | Dissolved | FOSTER |
| AMERICAN MASONRY INC | — | 000119324 | 2001-07-09 | Revoked | RUMFORD |
| American Masonry Inc | — | 001676450 | 2017-08-18 | — | — |
| AMERICAN MASONRY INC. | — | 001689102 | 2018-10-12 | — | — |
| AMERICAN MASONRY, INC | — | 001665583 | 2016-08-02 | — | — |
| AMERICAN MASONRY, INC | — | 001338939 | 2015-07-27 | — | — |
| American Masonry, Inc. | — | 000000910 | 1977-01-04 | Revoked | — |
| AMERICAN MASSAGE THERAPY ASSOCIATION | Other services | 000055490 | 1989-04-19 | Active | EVANSTON |
| American Master Group, Inc | — | 000143867 | 2004-11-17 | Revoked | CRANSTON |
| AMERICAN MATHEMATICAL SOCIETY | Other services | 000020113 | 1951-10-05 | Active | PROVIDENCE |
| American Mattress Centers, Inc. | — | 000121760 | 2001-12-17 | Revoked | DURHAM |
| AMERICAN MEAT SALES, INC. | — | 000039604 | 1986-08-04 | Revoked | — |
| American Mechanical Incorporated | — | 000035654 | 1985-08-27 | Revoked | GREENVILLE |
| American Medical Alert Corp. | Administrative and waste services | 000797511 | 2013-03-20 | Active | LONG ISLAND CITY |
| AMERICAN MEDICAL AND LIFE INSURANCE COMPANY | — | 000133903 | 2003-07-31 | Canceled | NEW YORK |
| AMERICAN MEDICAL BUILDINGS, INC. | — | 000020116 | 1969-02-12 | Revoked | — |
| American Medical Design, Inc. | — | 000054010 | 1989-02-10 | Revoked | — |
| American Medical Electronics, Inc.**TO DO BUSINESS UNDER FICTITIOUS NAME ONLY OF: AmMedElec, Inc.** | — | 000071626 | 1993-03-09 | Revoked | RICHARDSON |
| American Medical Enterprise Association, Inc. | — | 000164822 | 2007-06-18 | Revoked | WASHINGTON |
| American Medical Evaluation, Inc. | — | 000097157 | 1997-10-14 | Revoked | MARLBORO |
| AMERICAN MEDICAL PROFESSIONAL ALLIANCE, INC. | Finance and insurance | 000071742 | 1993-02-09 | Active | BERKELEY HEIGHTS |
| American Medical Response of Massachusetts, Inc. | Health care and social assistance | 000067910 | 1992-01-07 | Revoked | GREENWOOD VILLAGE |
| AMERICAN MEDICAL STAFFING, INC. | Administrative and waste services | 001734384 | 2022-01-13 | Active | HUNT VALLEY |
| American Medical Supply Company, Inc. | — | 000064029 | 1991-04-19 | Revoked | — |
| American Medical Systems, Inc. | — | 000103296 | 1998-11-04 | Revoked | MINNETONKA |
| American Merchandising Specialists, Inc. | Administrative and waste services | 000157156 | 2006-07-10 | Active | MOORESVILLE |
| American Messaging (AM), Inc. | — | 000149204 | 2005-07-12 | Withdrawn | LEWISVILLE |
| American Messaging Service, Inc.**REVOKED FOR INSUFFICIENT FUNDS** | — | 000084261 | 1995-05-08 | Revoked | — |
| AMERICAN MESSAGING SERVICES, LLC | Information | 000113158 | 2000-06-26 | Active | LEWISVILLE |
| American Metal Products, Inc. | — | 000000911 | 1969-03-21 | Revoked | PROVIDENCE |
| American Metals, LLC | Manufacturing | 001733475 | 2021-12-22 | Active | CRANSTON |
| AMERICAN MICRO SALES, INC. | — | 000105069 | 1999-03-01 | Revoked | — |
| American Microsensor, LLC | — | 000137309 | 2004-01-12 | Revoked | WARWICK |
| American Middle East Export, Ltd. | — | 000060678 | 1990-06-04 | Revoked | — |
| AMERICAN MIDWEST, LLC | — | 000487238 | 2008-11-12 | Revoked | MIDDLETOWN |
| American Millwright, Inc. | — | 000082987 | 1995-01-18 | Revoked | — |
| AMERICAN MINERAL SPIRITS COMPANY | — | 000020118 | 1968-11-18 | Withdrawn | EL SEGUNDO |
| American Mobile Homes, Inc | Manufacturing | 001676876 | 2017-09-01 | Active | WEYMOUTH |
| American Mobile Lube, Inc. | — | 000083536 | 1995-03-21 | Dissolved | EAST PROVIDENCE |
| American Mobile Messaging, Inc. | — | 000149613 | 2005-07-28 | Withdrawn | LRWISVILLE |
| American Mobile Metal Recycling Inc. | — | 000787960 | 2012-02-15 | Revoked | WOONSOCKET |
| American Mobile Mix Concrete, Inc. | Construction | 000161430 | 2007-01-31 | Active | COVENTRY |
| AMERICAN MOBILES CORPORATION | — | 000020122 | 1976-11-15 | Revoked | CHELSEA |
| AMERICAN MODULAR BODY CORP. | — | 000000912 | 1975-10-14 | Revoked | — |