----

**Exhibit      21.1**

**Applied      Digital Solutions, Inc. **

**List      of Subsidiaries**

| *Company                Name*                                                                                                                    | *Country                or State**of                Incorporation/Formation* |
|-------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------------------------------------------------|
| ACT                Communications Inc.                                                                                                                | Delaware                                                                     |
| ACT-GFX                Canada, Inc.                                                                                                                   | Ontario,                Canada                                               |
| ADS                Bay Area, Inc. f/k/a Lynch, Marks & Associates, Inc.                                                                           | California                                                                   |
| ADSI                Telecomm Services, Inc.                                                                                                           | Pennsylvania                                                                 |
| Advanced                Telecomm of Maryland, Inc.                                                                                                    | Pennsylvania                                                                 |
| Advanced                Telecomm of Pittsburgh                                                                                                        | Pennsylvania                                                                 |
| Advanced                Telecommunications, Inc.                                                                                                      | Illinois                                                                     |
| Applied                Digital Oracle Practice, Inc.                                                                                                  | Florida                                                                      |
| Applied                Digital Retail Limited f/k/a Transatlantic Software Corporation                Limited                                         | United                Kingdom                                                |
| Applied                Digital Solutions Financial Corp.                                                                                              | New                Hampshire                                                 |
| Applied                Digital Solutions International Limited                                                                                        | United                Kingdom                                                |
| Arjang,                Inc. f/k/a Applied Digital Retail, Inc. f/k/a STR, Inc.                                                                        | Ohio                                                                         |
| Blue                Star Electronics, Inc.                                                                                                            | New                Jersey                                                    |
| Bostek,                Inc.                                                                                                                           | Massachusetts                                                                |
| Caledonian                Venture Holdings Limited                                                                                                    | United                Kingdom                                                |
| Computer                Equity Corporation                                                                                                            | Delaware                                                                     |
| Cybertech                Station, Inc.                                                                                                                | Pennsylvania                                                                 |
| DA                International, Inc.                                                                                                                 | Minnesota                                                                    |
| Daploma                International A/S                                                                                                              | Denmark                                                                      |
| Digital                Angel Corporation f/k/a Medical Advisory Systems, Inc.                                                                         | Delaware                                                                     |
| Digital                Angel de Brazil Produtos de Information LTDA.                                                                                  | Brazil                                                                       |
| Digital                Angel S.A.                                                                                                                     | Argentina                                                                    |
| Digital                Angel Technology Corporation f/k/a Digital Angel Corporation f/k/a                Digital                Angel.net Inc.        | Delaware                                                                     |
| Digital                A/S                                                                                                                            | Denmark                                                                      |
| DSD                Holdings A/S                                                                                                                       | Denmark                                                                      |
| Elite                Computer Services, Inc.                                                                                                          | New                Jersey                                                    |
| Fearing                Manufacturing Co., Inc.                                                                                                        | Minnesota                                                                    |
| Government                Telecommunications, Inc.                                                                                                    | Virginia                                                                     |
| Independent                Acquisition, Inc.                                                                                                          | California                                                                   |
| Information                Technology Services, Inc.                                                                                                  | New                York                                                      |
| InfoTech                USA, Inc. f/k/a Information Products Center, Inc.                                                                             | New                Jersey                                                    |
| InfoTech                USA, Inc. f/k/a SysComm International Corporation                                                                             | Delaware                                                                     |
| Instantel                Inc.                                                                                                                         | Canada                                                                       |
| Intellesale,                Inc. f/k/a Intellesale.com, Inc.                                                                                          | Delaware                                                                     |
| Micro                Components International Incorporated                                                                                            | Massachusetts                                                                |
| Neirbod                Corp. f/k/a ACT Wireless Corp.                                                                                                 | Delaware                                                                     |
| OuterLink                Corporation                                                                                                                  | Delaware                                                                     |
| Pacific                Decision Sciences Corporation                                                                                                  | Delaware                                                                     |
| Perimeter                Acquisition Corp.                                                                                                            | Delaware                                                                     |
| Pizarro                Re-Marketing, Inc.                                                                                                             | Texas                                                                        |
| Precision                Point Corporation                                                                                                            | Delaware                                                                     |
| Service                Transport Company                                                                                                              | New                Jersey                                                    |
| Signal                Processors Limited                                                                                                              | United                Kingdom                                                |
| Signature                Industries Limited                                                                                                           | United                Kingdom                                                |
| Teledata                Concepts, Inc.                                                                                                                | Florida                                                                      |
| Thermo                Life Energy Corp. f/k/a Advanced Power Solutions, Inc.                                                                          | Delaware                                                                     |
| TigerTel                Communications Inc. successor by merger with TigerTel Telecommunications                Corp. f/k/a                           | Canada                                                                       |
| Consolidated                Technologies Holdings Inc. (Applied Digital Solutions, Inc. owns                21.88% of                the corporation) | Canada                                                                       |
| Timely                Technology Corp.                                                                                                                | California                                                                   |
| U.S.                Kite & Key Corp. f/k/a U.S. Electrical Products Corp.                                                                         | New                Jersey                                                    |
| VeriChip                Corporation f/k/a Surgical Identification Services, Inc.                                                                      | Delaware                                                                     |
| VeriChip                Inc. f/k/a eXI Wireless Inc.                                                                                                  | Canada                                                                       |
| VeriChip                Solutions Inc. f/k/a Houndware Corporation                                                                                    | Canada                                                                       |
| VeriChip                Systems Inc. f/k/a eXI Wireless Systems Inc.                                                                                  | Canada                                                                       |
| WYR,                Inc. f/k/a GDB Software Services, Inc.                                                                                            | New                York                                                      |