| AMERICAN TELECOMMUNICATIONS SYSTEMS, INC. DBA OHIO AMERICAN | 68493 | 1997-07-24 | Inactive | CANTON |
| AMERICAN TELECONFERENCING SERVICES, LTD. | 93275 | 2012-11-09 | Inactive | ATLANTA |
| AMERICAN TELEMARKETING, INC. | 105181 | 1990-03-22 | Dissolved | RUTLAND |
| AMERICAN TELEMEDIA NETWORK, INC. | 58802 | 1987-09-14 | Revoked | WILMINGTON |
| AMERICAN TELENET SYSTEMS, INC. | 59437 | 1988-03-07 | Revoked | WOODLAND HILLS |
| AMERICAN TELEPHONE AND TELEGRAPH COMPANY | 64586 | 1993-12-22 | Inactive | BEDMINSTER |
| AMERICAN TELEPHONE COMPANY, LLC | 38847 | 2012-09-14 | Active | Little Rock, |
| AMERICAN TELEPHONE NETWORK, INC. | 63245 | 1992-07-13 | Inactive | WELLINGTON |
| AMERICAN TELESOURCE INTERNATIONAL, INC. | 65345 | 1994-10-07 | Inactive | SAN ANTONIO |
| AMERICAN TELETRONICS LONG DISTANCE, INC. | 63264 | 1992-07-21 | Revoked | CHICAGO |
| AMERICAN TELEVISION AND COMMUNICATIONS CORPORATION | 63294 | 1992-07-28 | Inactive | NEW YORK |
| AMERICAN TESOL INSTITUTE INC. | 405797 | 2022-03-21 | Dissolved | Mendon |
| AMERICAN TESTING AND ENGINEERING CORPORATION | 65651 | 1995-01-26 | Revoked | INDIANAPOLIS |
| AMERICAN THROMBOSIS AND HEMOSTASIS NETWORK, INC. | 347520 | 2018-09-06 | Active | Hickory |
| AMERICAN TIMBER AND STEEL CO., INC. | 83314 | 2007-03-09 | Revoked | NORWALK |
| AMERICAN TIRE DISTRIBUTORS, INC. | 74288 | 2002-07-17 | Withdrawn | HUNTERSVILLE |
| AMERICAN TITLE, INC. D/B/A UPSTREAM SOLUTIONS | 84489 | 2007-12-13 | Inactive | OMAHA |
| AMERICAN TOBACCO COMPANY, THE | 46517 | 1969-06-27 | Inactive | LOUISVILLE |
| AMERICAN TOMATO SOCIETY, INC. | 49347 | 1990-04-11 | Revoked | BURLINGTON |
| AMERICAN TOOL AND GRINDING COMPANY | 103820 | 1989-06-07 | Revoked | CAMBRIDGE |
| AMERICAN TOTALISATOR COMPANY, INC. | 44897 | 1963-07-19 | Inactive | WILMINGTON |
| AMERICAN TOUR INSTITUTE, INC. | 50874 | 1992-09-18 | Revoked | SO BURLINGTON |
| AMERICAN TOWER MANAGEMENT, INC. | 71517 | 2000-02-08 | Inactive | BOSTON |
| AMERICAN TOWER MANAGEMENT, LLC | 10817 | 2004-01-29 | Active | Boston |
| AMERICAN TOWERS LLC | 35869 | 2011-07-27 | Active | Boston |
| AMERICAN TOWERS, INC. | 82157 | 2006-07-05 | Inactive | BOSTON |
| AMERICAN TRACERS & INVESTIGATIONS INCORPORATED | 335137 | 2017-09-26 | Active | Baltimore |
| AMERICAN TRACING CORPORATION | 105637 | 1990-06-19 | Revoked | BURLINGTON |
| AMERICAN TRADE ASSOCIATION, INC. | 86606 | 2009-05-18 | Revoked | SPRINGFIELD |
| AMERICAN TRADE EXCHANGE INC. | 400190 | 2021-12-03 | Revoked | Green Bay |
| AMERICAN TRADING GROUP LLC | 453309 | 2024-08-08 | Suspended | Winooski |
| AMERICAN TRADING LLC | 338369 | 2018-01-05 | Suspended | Bethesda |
| AMERICAN TRAILERS LLC | 15733 | 2004-10-05 | Revoked | CROSS LANES |
| AMERICAN TRAINCO, LLC | 308186 | 2015-10-13 | Active | Orlando |
| AMERICAN TRANSCRIPTION SERVICES, LLC | 297637 | 2014-12-02 | Inactive | PHOENIX |
| AMERICAN TRANSINSURANCE GROUP, INC. | 79398 | 2004-08-23 | Revoked | DOWNINGTON |
| AMERICAN TRANSPORTATION SERVICE, INC. | 60041 | 1988-09-12 | Revoked | WILMINGTON |
| AMERICAN TRAVEL, INC. | 70241 | 1975-05-13 | Dissolved | W. DOVER |
| AMERICAN TRAVELER MOTOR CLUB, INC. | 51318 | 1980-07-21 | Inactive | SARASOTA |
| AMERICAN TRAVELER STAFFING PROFESSIONAL, LLC | 415 | 2001-03-28 | Active | BOCA RATON |
| AMERICAN TRIMCO MILLS, INC. | 108175 | 1992-02-21 | Revoked | ST. ALBANS |
| AMERICAN TRIUMVIRATE INSURANCE COMPANY | 99359 | 1987-03-24 | Active | Burlington |
| AMERICAN TRUCKING, INC. | 100173 | 1987-08-05 | Dissolved | BURLINGTON |
| AMERICAN TYPE CULTURE COLLECTION INC | 323974 | 2016-10-25 | Revoked | WILLISTON |
| AMERICAN UNION RISK ASSOCIATES, LLC | 327163 | 2017-01-26 | Inactive | Holmdel |
| AMERICAN UNITED BENEFITS INC. | 73270 | 2001-08-20 | Revoked | DOVER |
| AMERICAN UNIVERSITY OF BEIRUT CORP | 453976 | 2024-08-22 | Active | New York |
| AMERICAN UNIVERSITY OF BEIRUT CORP. | 460457 | 2025-01-23 | Active | New York |
| AMERICAN VAPING ASSOCIATION, INC. | 334185 | 2017-08-28 | Revoked | STRATFORD |
| AMERICAN VENTURES, INC. | 95388 | 1984-12-31 | Dissolved | WAITSFIELD |