| 21st Century Electronics, Inc. | — | 11L-759 | 2000-12-29 | Inactive | Cohasset |
| 21st Century Employment Service, Inc | — | 1381016-2 | 2005-05-31 | Inactive | Mpls |
| 21st Century Enterprises of MN, Inc. | — | 8G-957 | 1994-06-08 | Inactive | Austin |
| 21st Century Enterprises, Inc. | — | 6W-163 | 1990-11-28 | Inactive | Mpls |
| 21st Century Exteriors, Inc. | — | 1527684-2 | 2005-10-04 | Inactive | Little Canada |
| 21st Century FloorMasters, Inc. | — | 10J-347 | 1998-11-12 | Active | Elko |
| 21st Century Food & Fuel, Inc | — | 10P-918 | 1999-04-08 | Inactive | Blmgtn |
| 21st Century Food & Fuel, Inc. | — | 12D-602 | 2002-05-01 | Inactive | Fridley |
| 21st CENTURY FOX LLC | — | 2926953-2 | 2008-07-15 | Inactive | Shoreview |
| 21st Century Genetics | — | COOP-4015 | 1985-02-01 | Inactive | Stewartville |
| 21st Century Gold Rush Company | — | 695598900029 | 2013-08-21 | Inactive | Buffalo |
| 21st Century Health Care Services, Inc. | — | 10V-53 | 1999-09-07 | Active | St Paul |
| 21ST CENTURY HOME DESIGN LLC | — | 976156800022 | 2017-10-26 | Inactive | Woodbury |
| 21st Century Home Health Care LLC | — | 901047500020 | 2016-09-07 | Inactive | Bloomington |
| 21st Century Homes & Realty Inc. | — | 12D-736 | 2002-05-03 | Inactive | Rochester |
| 21st Century Homes LLC | — | 1513020300025 | 2024-11-15 | Inactive | APPLE VALLEY |
| 21st Century Inspections, Inc. | — | 12Q-470 | 2003-04-10 | Inactive | Duluth |
| 21st Century Insurance and Financial Services, Inc. | — | 30968 | 1985-04-19 | Inactive | Roseville |
| 21st Century Jewelry Collection LLC | — | 877908200022 | 2016-03-09 | Inactive | St Paul |
| 21st Century Learning Systems, Inc | — | 7I-349 | 1992-02-25 | Inactive | Mpls |
| 21st Century LLC | — | 1399089400020 | 2023-07-10 | Inactive | NEW HOPE |
| 21st century logistics Inc | — | 1339935600025 | 2022-10-03 | Inactive | New Hope |
| 21st century logistics LLC | — | 1195568200021 | 2020-11-26 | Inactive | Minneapolis |
| 21st Century Management Corp. | — | 2480618-4 | 2007-08-23 | Inactive | Owatonna |
| 21ST CENTURY MANAGEMENT CORPORATION | — | 6K-771 | 1989-09-13 | Active | Mpls |
| 21st Century Management L. L. C. | — | 723833400021 | 2014-01-02 | Active | Rochester |
| 21st Century Marine Products, Inc. | — | 1172577-2 | 2004-12-29 | Inactive | Little Falls |
| 21st Century Marketing and Management LLC | — | 42056-LLC | 2003-05-27 | Active | BLOOMINGTON |
| 21st Century Marketing, Inc. | — | 69612 | 1994-01-18 | Inactive | Mpls |
| 21st Century Marketing, Inc. | — | 4T-609 | 1984-10-10 | Inactive | St Paul |
| 21st Century Marketing, LLC | — | 461815600024 | 2011-11-02 | Active | Lake Elmo |
| 21st Century Notary LLC | — | 1184609600020 | 2020-10-07 | Inactive | Bloomington |
| 21st Century of Minnesota, L.L.C. | — | 16052-LLC | 2000-04-06 | Inactive | Woodbury |
| 21st Century Pharmaceuticals Corp. | — | 5I-610 | 1986-09-12 | Inactive | St Louis Park |
| 21st Century Plaza Holding Company, LLC | — | 989167700027 | 2017-12-27 | Active | Saint Paul |
| 21st Century Plaza, LLC | — | 984928700025 | 2017-12-11 | Active | Saint Paul |
| 21st Century Pork, LLP | — | 6961-LLP | 2000-05-01 | Inactive | — |
| 21ST CENTURY PRODUCTIONS, INC. | — | 10G-154 | 1998-07-28 | Inactive | Chanhassen |
| 21st Century Productions, Inc. | — | 6F-652 | 1989-02-27 | Inactive | Mpls |
| 21st Century Programming Inc. | — | 10D-370 | 1998-05-05 | Inactive | Woodbury |
| 21st Century Properties, LLC | — | 857369-2 | 2004-04-06 | Inactive | Blaine |
| 21st Century Properties, LLC | — | 4252208-3 | 2011-04-07 | Inactive | Arden Hills |
| 21st Century PRT Inc. | — | 603437-2 | 2003-08-20 | Inactive | Mpls |
| 21st Century Real Estate Management, LLC | — | 3015130-2 | 2008-09-19 | Inactive | Rochester |
| 21st Century Saunas, LLC | — | 498918500020 | 2012-07-20 | Inactive | Champlin |
| 21st Century Schools Management | — | 1132206100022 | 2020-01-06 | Inactive | Minneapolis |
| 21st Century Shooting Galleries L. L. C. | — | 821797200027 | 2015-04-09 | Inactive | Glenwood |
| 21st Century Shooting Gallery LLC | — | 960258400025 | 2017-08-07 | Inactive | Glenwood |
| 21st Century Software Technologies, Inc. | — | 1390715800044 | 2023-05-10 | Active | Roseville |
| 21st Century Solutions, Inc. | — | 10W-639 | 1999-10-28 | Inactive | Woodbury |