----

**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                                                                 |
| 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                                                                 |
| Daploma                International A/S                                                                                                       | Denmark                                                                      |
| Daploma                Polska                                                                                                                  | Poland                                                                       |
| Digital                Angel Chile, S.A.                                                                                                       | Chilie                                                                       |
| Digital                Angel Corporation f/k/a Medical Advisory Systems, Inc.                                                                  | Delaware                                                                     |
| Digital                Angel de Brazil Produtos de Information LTDA.                                                                           | Brazil                                                                       |
| Digital                Angel Holdings, LLC                                                                                                     | Minnesota                                                                    |
| Digital                Angel International, Inc.                                                                                               | Minnesota                                                                    |
| Digital                Angel Paraguay S.A.                                                                                                     | Paraguay                                                                     |
| Digital                Angel Uruguay S.A.                                                                                                      | Uruguay                                                                      |
| Digital                Angel S.A.                                                                                                              | Argentina                                                                    |
| Digital                Angel Technology Corporation f/k/a Digital Angel Corporation f/k/a                Digital                Angel.net Inc. | Delaware                                                                     |
| Digitag                A/S                                                                                                                     | Denmark                                                                      |
| DSD                Holdings A/S                                                                                                                | Denmark                                                                      |
| Elite                Computer Services, Inc.                                                                                                   | New                Jersey                                                    |
| Fearing                Manufacturing Co., Inc.                                                                                                 | Minnesota                                                                    |
| Government                Telecommunications, Inc.                                                                                             | Virginia                                                                     |
| 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                                                                     |
| Precision                Point Corporation                                                                                                     | Delaware                                                                     |
| Signal                Processors Limited                                                                                                       | United                Kingdom                                                |
| Signature                Industries Limited                                                                                                    | United                Kingdom                                                |

----

| 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                                                                                                                                                                                                                                                                                                                                 | Delaware                  |
| VeriChip                Holdings, Inc. (formerly know as VeriChip Inc. and EXI Wireless,                Inc.)                                                                                                                                                                                                                                                       | Canada                    |
| VeriChip                Corporation (formerly known as VeriChip Systems, Inc. - Instantel                Inc.,                VeriChip Solutions Inc. f/k/a HOUNDware Corporation and VeriChip                Systems                Inc. f/k/a EXI Wireless Systems, Inc. were amalgamated under the                name of                VeriChip Systems Inc.), | Canada                    |
| WYR,                Inc. f/k/a GDB Software Services, Inc.                                                                                                                                                                                                                                                                                                          | New                York   |