| | | | | | | | |
| Name | | Jurisdiction |
| Accelerated Concepts, Inc. | | Florida, United States |
| Accelerated Concepts Pty Ltd. | | Australia |
| Digi International Canada Inc. | | Ontario, Canada |
| Digi International GmbH | | Germany |
| Digi International (HK) Ltd. | | Hong Kong |
| Digi International K.K. | | Japan |
| Digi International Ltd | | United Kingdom |
| Digi International Spain S.A. | | Spain |
| Digi m2m Solutions India Pvt. Ltd. | | India |
| Digi Wireless Singapore Pte. Ltd. | | Singapore |
| Digi SmartSense, LLC | | Delaware, United States |
| Opengear, Inc. | | Utah, United States |
| Opengear Limited | | England/Wales |
| Opengear Pty Ltd. | | Australia |
| Ventus Technologies, LLC | | Delaware, United States |
| Ventus Wireless, LLC | | Delaware, United States |