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| ADVANCED MOLD MANAGEMENT, LLC | — | 21959390 | 2004-05-14 | Inactive | |
| ADVANCED MOLD PROTECTION, INC. | — | 39685391 | 2006-11-22 | Inactive | BEND |
| ADVANCED MOLDING, L.L.C. | — | 68979492 | 2010-05-25 | Inactive | ONTARIO |
| ADVANCED MOLECULAR DIAGNOSTICS LLC | — | 152595899 | 2019-02-13 | Active | MONTVALE |
| ADVANCED MONITORED CAREGIVING INC | — | 108998295 | 2015-02-24 | Active | NEW YORK |
| ADVANCED MONITORING PROFESSIONALS LLC | — | 86003291 | 2012-05-31 | Inactive | COTTAGE GROVE |
| ADVANCED MONITORING SYSTEMS, LLC | — | 124612995 | 2016-08-31 | Inactive | |
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| ADVANCED MORTGAGE SERVICES, INC. | — | 29356383 | 1992-04-27 | Inactive | CORVALLIS |
| ADVANCED MORTGAGE SOLUTIONS, INC. | — | 16141897 | 2003-07-17 | Inactive | ALBANY |
| ADVANCED MOTOR SERVICES LLC | — | 4764791 | 2001-11-05 | Inactive | LAKE OSWEGO |
| ADVANCED MOTORING DESIGNS CORPORATION | — | 16160889 | 1989-06-19 | Inactive | |
| ADVANCED MOTORS INC | — | 110923299 | 2015-04-30 | Inactive | |
| ADVANCED MOVEMENT SOLUTIONS, LLC | — | 141258996 | 2018-02-26 | Inactive | PORTLAND |
| ADVANCED MOVING ASSISTANCE, LLC | — | 26318196 | 2005-01-14 | Inactive | TALENT |
| ADVANCED MOVING SOLUTIONS, LLC | — | 135775393 | 2017-09-05 | Inactive | MEDFORD |
| ADVANCED MOWING SERVICES, LLC | — | 146526199 | 2018-08-06 | Inactive | EUGENE |
| ADVANCED MULTIMEDIA ASSOCIATES, LLC | — | 96776290 | 2013-09-30 | Inactive | PORTLAND |
| ADVANCED MULTIMEDIA PRODUCTIONS, LLC | — | 26294793 | 2005-01-14 | Inactive | SISTERS |
| ADVANCED MULTIMEDIA PRODUCTS CORPORATION | — | 58239287 | 1997-06-27 | Inactive | EUGENE |
| ADVANCED MULTIMEDIA TECHNOLOGIES, INC. | — | 20183497 | 2004-02-18 | Active | SCAPPOOSE |
| ADVANCED MULTIMEDIA, INC. | — | 46810883 | 1995-07-17 | Inactive | WILSONVILLE |
| ADVANCED MYOTHERAPY, LLC. | — | 31028590 | 2005-11-10 | Active | ASHLAND |
| ADVANCED NAILS & SPA LLC | — | 91881194 | 2013-02-27 | Inactive | |
| ADVANCED NATIONAL TRANSPORTERS LLC | — | 147654792 | 2018-09-17 | Active | WOOD VILLAGE |
| ADVANCED NATIONWIDE MESSAGING CORPORATION | — | 42848283 | 1994-11-14 | Inactive | ALEXANDRIA |
| ADVANCED NATIONWIDE SECURITY CORPORATION | — | 228787495 | 2024-07-16 | Active | HOUSTON |
| ADVANCED NAVIGATION & POSITIONING CORPORATION | — | 46085296 | 2007-08-31 | Active | HOOD RIVER |
| ADVANCED NAVIGATION & POSITIONING CORPORATION | — | 23242480 | 1991-01-22 | Inactive | HOOD RIVER |
| ADVANCED NEPHROLOGY OF OREGON LLC | — | 223361692 | 2024-02-26 | Active | PORTLAND |
| ADVANCED NETWORK COMMUNICATION CORP. | — | 49805286 | 1996-01-29 | Inactive | PORTLAND |
| ADVANCED NETWORK MANAGEMENT, INC. | — | 224843896 | 2024-04-02 | Active | ALBUQUERQUE |
| ADVANCED NETWORK SOLUTIONS, INCORPORATED | — | 73511389 | 2000-02-09 | Inactive | |
| ADVANCED NETWORK TECHNOLOGIES LLC | — | 74875486 | 2000-04-19 | Inactive | |
| ADVANCED NETWORKS INC | — | 52335487 | 1996-06-19 | Inactive | |
| ADVANCED NEURAL BIOSCIENCES, INC. | — | 53774296 | 2008-08-01 | Active | PORTLAND |
| ADVANCED NEUROFEEDBACK CLINIC INC | — | 48885594 | 2008-01-17 | Inactive | PORTLAND |
| ADVANCED NEUROMODULATION SYSTEMS, INC. | — | 17562794 | 2003-10-02 | Active | ABBOTT PARK |
| ADVANCED NEXUS DESIGNS, LLC | — | 230348096 | 2024-08-30 | Active | TORRANCE |
| ADVANCED NORTHWEST CONSTRUCTION LLC | — | 121714398 | 2016-05-17 | Inactive | PORTLAND |
| ADVANCED NORTHWEST TRUCKING INC. | — | 34775791 | 2006-03-16 | Inactive | HILLSBORO |
| ADVANCED NORTHWEST WELDING, LLC | — | 18817296 | 2003-12-09 | Active | BEND |
| ADVANCED NOTARY SIGNING SERVICE LLC | — | 172967599 | 2020-10-12 | Inactive | GRESHAM |
| ADVANCED NURSING CARE LLC | — | 53753894 | 2008-07-31 | Inactive | |
| ADVANCED NUTRIENTS US LLC | — | 78313997 | 2011-06-29 | Active | WOODLAND |
| ADVANCED NUTRITION LLC | — | 240261495 | 2025-05-01 | Active | MEDFORD |
| ADVANCED NUTRITION, LLC | — | 57616295 | 2009-02-02 | Inactive | |
| ADVANCED NUTRITIONAL SUPPLEMENTS, INCORPORATED | — | 79084589 | 2001-01-11 | Inactive | BEAVERTON |
| ADVANCED OFFICE SOLUTIONS LLC | — | 32412496 | 2005-11-21 | Inactive | TUALATIN |