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| AMERICAN MEDICAL SOLUTIONS, INC. | — | 10065375 | 2004-12-03 | Inactive | — |
| AMERICAN MEDICAL STAFFING, INC | — | 2406137387 | 2024-06-05 | Active | HUNT VALLEY |
| AMERICAN MEDICAL WEIGHT CONTROL CLINIC, INCORPORATED | — | 0608351 | 1981-12-11 | Inactive | — |
| AMERICAN MEDICI FINANCIAL CORPORATION | — | 0735450 | 1984-05-23 | Inactive | NOGALES |
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| AMERICAN MESSAGING (AM), INC. | — | 10068398 | 2005-02-23 | Inactive | — |
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| AMERICAN METALS SUPPLY CO., INC. | — | 10096791 | 2007-04-06 | Active | HAZELWOOD |
| AMERICAN MICROTRACE CORPORATION | — | 0962789 | 1988-06-22 | Inactive | — |
| AMERICAN MIDLANDS OF NEBRASKA, INC. | — | 0530220 | 1980-04-23 | Inactive | — |
| AMERICAN MIDLANDS, INC. | — | 0504211 | 1979-09-24 | Inactive | — |
| AMERICAN MIDWEST CELLULAR, INC. | — | 1091173 | 1990-09-17 | Inactive | — |
| AMERICAN MIDWEST OUTFITTERS, LLC | — | 10168152 | 2012-10-25 | Inactive | OMAHA |
| AMERICAN MIDWEST POWER OF OMAHA, INC. | — | 1058118 | 1990-02-15 | Inactive | — |
| AMERICAN MIDWEST RENTALS, INC. | — | 0964472 | 1988-07-01 | Inactive | — |
| AMERICAN MIDWESTERN, INC. | — | 10240581 | 2017-03-21 | Inactive | LINCOLN |
| AMERICAN MILLENNIUM HOME WARRANTY COMPANY | — | 10006572 | 1999-10-14 | Inactive | — |
| AMERICAN MILLING SERVICES LLC | — | 2410198726 | 2024-10-09 | Active | CEDAR RAPIDS |
| AMERICAN MINERAL SPIRITS COMPANY | — | 0160148 | 1968-11-18 | Inactive | — |
| AMERICAN MINIATURE JERSEY ASSOCIATION & REGISTRY, LLC | — | 10088528 | 2006-08-28 | Inactive | CRAWFORD |
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| AMERICAN MISCELLANEOUS WORK, LLC | — | 2501050424 | 2025-01-23 | Active | OMAHA |
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| AMERICAN MOBILE COMMUNITIES, INC. | — | 0839779 | 1986-04-10 | Inactive | — |
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| AMERICAN MORTGAGE COMPANY | — | 0930064 | 1987-11-25 | Inactive | NORTH PLATTE |
| AMERICAN MORTGAGE EXPRESS FINANCIAL CORP. | — | 10034497 | 2002-05-10 | Inactive | SAN DIEGO |
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| AMERICAN MORTGAGE GROUP OF ARIZONA, INC. | — | 10040321 | 2002-12-06 | Inactive | — |
| AMERICAN MORTGAGE INVESTMENT PARTNERS LLC | — | 10099634 | 2007-06-26 | Inactive | — |
| AMERICAN MORTGAGE LOAN COMPANY LLC | — | 10072732 | 2005-06-15 | Inactive | — |
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| AMERICAN MORTGAGE, INC. | — | 1646541 | 1998-06-15 | Inactive | — |
| AMERICAN MOTHERS INC, NEBRASKA ASSOCIATION | — | 1245844 | 1993-05-18 | Active | CROFTON |
| AMERICAN MOTORS SALES CORPORATION | — | 0160156 | 1937-03-13 | Inactive | — |
| AMERICAN MOTORWORKS LLC | — | 2203077575 | 2022-03-24 | Active | WAVERLY |
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| AMERICAN MULTI-CINEMA OF FLORIDA, INC. | — | 10015983 | 2000-08-18 | Inactive | — |
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| AMERICAN MULTI-ENTERTAINMENT, INC. | — | 1218817 | 1992-12-22 | Inactive | — |
| AMERICAN MULTICULTURAL INSTITUTE (AMII) INC. | — | 1475469 | 1996-07-17 | Inactive | OMAHA |
| AMERICAN MULTILINE CORPORATION | — | 1418808 | 1995-11-06 | Inactive | — |
| AMERICAN MULTIPROFILE COMPANY | — | 1456769 | 1996-04-23 | Inactive | LINCOLN |
| AMERICAN MUSCLE AUTHORITY, INC. | — | 10088931 | 2006-09-08 | Inactive | OMAHA |
| AMERICAN MUSLIM FAMILY | — | 2508335358 | 2025-08-08 | Active | — |
| AMERICAN MUSTANG REGISTRY INC. | — | 10092265 | 2006-12-14 | Inactive | BRIDGEPORT |