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| Advanced Protection Products International INC | — | C00006373550 | 2012-06-08 | Active | |
| Advanced Protection Products International INC | — | C00006373550 | 2019-07-15 | Active | Dublin |
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| Advanced Psychiatric Wellness Center LLC | — | C00006926517 | 2021-03-05 | Revoked | Washington |
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| Advanced Reactor Consortium | — | N00008469850 | 2025-07-15 | Active | |
| Advanced Rehabilitation Tech, PLLC | — | US-DC-FN052600359 | 2026-05-06 | Withdrawn | Bryan |
| Advanced Research and Programming High Tech Systems LLC | — | L0000056684 | 2011-11-16 | Revoked | Gaithersburg |
| Advanced Research and Programming High Tech Systems LLC | — | L0000056684 | 2011-01-10 | Revoked | |
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| Advanced Rx Pharmacy of Tennessee, LLC | — | C00007760400 | 2014-07-24 | Active | |
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| Advanced Rx, LLC | — | L00005684350 | 2017-05-20 | Active | Fort Washington |
| Advanced Rx, LLC | — | L00005684350 | 2014-02-11 | Active | |
| Advanced SRECs LLC | — | C00008038911 | 2024-03-05 | Revoked | Arlington |
| Advanced SRECs LLC | — | C00008038911 | 2024-02-08 | Revoked | |
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| Advanced SW Technologies L.L.C. | — | L00005415600 | 2004-09-08 | Revoked | |
| Advanced Senior Healthcare Services LLC | — | L00008084013 | 2024-06-08 | Active | |
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| Advanced Solar Holdings LLC | — | C00007973434 | 2023-12-07 | Revoked | |
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| Advanced Solar Technologies, L.L.C. | — | L00005467443 | 2016-06-17 | Revoked | White Plains |
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| Advanced/IR LLC | — | L00007109197 | 2023-05-04 | Revoked | |
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| Advancing Latinas Into Leadership | — | N00005840377 | 2017-12-31 | Dissolved | Washington |
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| Advancing with Purpose LLC | — | L00007091545 | 2021-08-23 | Dissolved | Washington |
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| Advanosys LLC | — | L00005787778 | 2010-06-22 | Active | |
| Advanosys LLC | — | C00006787947 | 2010-06-22 | Active | |
| Advanosys LLC | — | C00006787947 | 2010-06-22 | Active | Gaithersburg |
| Advansa International, LLC | — | L00005868220 | 2018-02-13 | Revoked | |
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| AdvantEdge Digital LLC | — | L00005727559 | 2017-04-13 | Active | |
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| Advantage Agility Incorporated | — | C00005242784 | 2015-08-01 | Dissolved | Washington |
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| Advantage Alliance Pro LLC | — | C00006974486 | 2021-04-07 | Active | Richardson |
| Advantage Booking LLC | — | L00005898986 | 2018-03-07 | Active | |
| Advantage Booking LLC | — | L00005898986 | 2018-03-07 | Active | Washington |
| Advantage Business Solutions LLC | — | L00007582670 | 2023-02-15 | Active | |
| Advantage Business Solutions LLC | — | L00007582670 | 2023-02-15 | Active | Washington |
| Advantage Capital Enterprises, LLC | — | L00005154313 | 2015-04-06 | Active | |
| Advantage Capital Enterprises, LLC | — | L00005154313 | 2023-07-31 | Revoked | PRINCE FREDERICK |
| Advantage Contracting Enterprises LLC | — | L00005873977 | 2018-02-19 | Active | Washington |
| Advantage Contracting Enterprises LLC | — | L00005873977 | 2018-02-19 | Active | |
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| Advantage Insurance Management (USA) LLC | — | L48304 | 2010-02-24 | Revoked | Charleston |
| Advantage Insurance Management (USA) LLC LLC | — | L48304 | 2010-02-24 | Revoked | |
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| Advantage Interiors, Inc. | — | C00006073156 | 2018-09-11 | Withdrawn | Hanover |
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| Advantage Mortgage LLC | — | L00005629509 | 2017-01-12 | Revoked | |
| Advantage Mortgage LLC | — | L00005629509 | 2017-03-01 | Revoked | Rockville |
| Advantage Pharmacy LLC | — | L00004668876 | 2013-01-21 | Withdrawn | Memphis |
| Advantage Pharmacy LLC | — | L00004668876 | 2012-09-24 | Withdrawn | |
| Advantage RN LLC | — | L00005810433 | 2017-05-08 | Withdrawn | |
| Advantage RN LLC | — | L00005810433 | 2017-11-02 | Withdrawn | Boca Raton |
| Advantage Rule LLC | — | L00004626581 | 2012-09-21 | Active | Washington |
| Advantage Rule LLC | — | L00004626581 | 2012-09-21 | Active | |
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| Advantage Staffing Partners Limited Liability Company | — | L00004659963 | 2012-12-12 | Revoked | North Bethesda |
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| Advantage Tenant Leasing L.L.C. | — | L00004193720 | 2008-02-06 | Revoked | |
| Advantage Tenant Leasing L.L.C. | — | L00004193720 | 2012-03-05 | Revoked | Boca Raton |
| Advantage Testing of Metropolitan Washington, D.C., LLC | — | C00008052657 | 2024-04-29 | Active | Washington |
| Advantage Testing of Metropolitan Washington, D.C., LLC | — | C00008052657 | 2006-11-08 | Active | |
| Advantage Title Company LLC | — | L00005422833 | 1999-06-03 | Active | |
| Advantage Title Company LLC | — | L00005422833 | 1999-06-03 | Active | Eldersburg |
| Advantage and Protocol Services, LLC | — | L00004903481 | 2014-03-19 | Revoked | Washington |
| Advantage and Protocol Services, LLC LLC | — | L00004903481 | 2014-03-19 | Revoked | |
| Advantaged Solutions, LLC | — | 250667 | 2005-03-02 | Active | Washington |
| Advantageous Strategies, LLC | — | L00006902275 | 2019-04-19 | Active | |
| Advantageous Strategies, LLC | — | L00006902275 | 2021-03-04 | Active | Washington |
| Advantagey Consulting LLC | — | L0000052484 | 2011-04-14 | Revoked | |
| Advantagey Consulting LLC | — | L0000052484 | 2011-04-14 | Revoked | Washington |
| Advantasure, Inc. | — | C00006760135 | 2015-10-26 | Active | |
| Advantasure, Inc. | — | C00006760135 | 2020-09-29 | Withdrawn | Aliso Viejo |
| Advantia Health Hub MSO LLC | — | L00006458631 | 2019-12-13 | Active | |
| Advantia Health Hub MSO LLC | — | L00006458631 | 2019-12-17 | Revoked | Arlington |
| Advantis LLC | — | US-DC-LL122500901 | 2025-12-19 | Active | Washington |
| Advantis Medical Staffing, LLC | — | L00006147056 | 2019-01-11 | Active | Dallas |
| Advantis Medical Staffing, LLC | — | L00006147056 | 2018-04-11 | Active | |
| Advantive LLC | — | C00007525047 | 2022-12-16 | Active | Tampa |
| Advantive LLC | — | C00007525047 | 2022-04-04 | Active | |
| Advantix ScanSource, LLC | — | C00008268597 | 2024-06-26 | Active | |
| Advantix ScanSource, LLC | — | C00008268597 | 2025-02-06 | Active | GREENVILLE |
| Advar Construction Inc. | — | C00005357691 | 1989-06-26 | Revoked | |
| Advar Construction Inc. | — | C00005357691 | 2016-03-08 | Revoked | Manassas |
| Advarra Inc. | — | C00006109590 | 2017-11-07 | Active | |
| Advarra Inc. | — | C00006109590 | 2018-11-07 | Active | Columbia |
| Advent Energy LLC | — | L00005042504 | 2014-08-27 | Revoked | |
| Advent Energy LLC | — | L00005042504 | 2014-09-30 | Revoked | Abingdon |
| Advent Software, Inc. | — | C00007725414 | 1995-10-04 | Active | |
| Advent Software, Inc. | — | C00007725414 | 2023-06-15 | Active | San Fransisco |
| Adventu LLC | — | L00005298800 | 2015-11-20 | Revoked | Washington |
| Adventu LLC | — | L00005298800 | 2015-11-20 | Revoked | |
| Adventure Cycling Association | — | US-DC-FN082603180 | 2026-08-24 | Active | Missoula |
| Adventure DC Tours LLC | — | L00008180710 | 2024-10-09 | Active | |
| Adventure DC Tours LLC | — | L00008180710 | 2024-09-03 | Active | Sheridan |
| Adventure Follows, Ltd. | — | C00006754633 | 2018-01-10 | Revoked | |
| Adventure Follows, Ltd. | — | C00006754633 | 2020-09-22 | Revoked | Washington |
| Adventure Homes, Inc. | — | C00005087570 | 2015-01-08 | Revoked | Dumfries |
| Adventure Homes, Inc. | — | C00005087570 | 2013-04-22 | Revoked | |
| Adventure Source Racing | — | N00007874252 | 2024-01-08 | Active | |
| Adventure Source Racing | — | N00007874252 | 2024-01-08 | Active | Washington |
| Adventures By George LLC | — | L00008120334 | 2024-07-25 | Active | |
| Adventures By George LLC | — | L00008120334 | 2024-07-25 | Active | Washington |
| Adventures On The Hill L.L.C. | — | L00005847848 | 2018-01-11 | Revoked | |
| Adventures On The Hill L.L.C. | — | L00005847848 | 2018-01-11 | Active | Washington |
| Adventures for Alopecia | — | N00006148843 | 2019-01-13 | Dissolved | |
| Adventures for Alopecia | — | N00006148843 | 2019-01-13 | Dissolved | WASHINGTON |
| Adventures in Simplicity LLC | — | L00004854901 | 2012-05-01 | Revoked | |
| Adventures in Simplicity LLC | — | L00004854901 | 2014-01-09 | Revoked | Washington |
| Adventures of Alex and I | — | N00005680030 | 2017-04-14 | Revoked | |
| Adventures of Alex and I | — | N00005680030 | 2017-04-14 | Revoked | washington |
| Adventures of LTE (THE) LLC | — | L00006218064 | 2019-03-15 | Revoked | WASHINGTON |
| Adventures of LTE (THE) LLC | — | L00006218064 | 2019-03-15 | Active | |
| Adventurist services LLC | — | L00008494333 | 2025-08-14 | Active | |
| Adventurist services LLC | — | L00008494333 | 2025-08-14 | Revoked | Washington |
| Advertising Council, Inc. (The) | — | N00006373389 | 1942-02-26 | Active | |
| Advertising Council, Inc. (The) | — | N00006373389 | 2019-07-08 | Active | New York |
| Advertising Etc., LLC | — | L00004630870 | 2012-10-02 | Dissolved | |
| Advertising Etc., LLC | — | L00005889212 | 2013-01-16 | Active | |
| Advertising Etc., LLC | — | L00004630870 | 2012-10-02 | Dissolved | Chevy Chase |