Exhibit 21.1
Name of Subsidiary |
| Jurisdiction |
Chicago Concourse Development Group, LLC |
| Delaware |
Concourse Communications Baltimore, LLC |
| Delaware |
Concourse Communications Canada, Inc. |
| Delaware |
Concourse Communications Detroit, LLC |
| Delaware |
Concourse Communications Group, LLC |
| Delaware |
Concourse Communications Illinois, LLC |
| Illinois |
Concourse Communications Minnesota, LLC |
| Delaware |
Concourse Communications Nashville, LLC |
| Illinois |
Concourse Communications Ottawa, LLC |
| Illinois |
Concourse Communications Puerto Rico, LLC |
| Puerto Rico |
Concourse Communications SSP, LLC |
| Delaware |
Concourse Communications St. Louis, LLC |
| Delaware |
Concourse Communications UK, Ltd. |
| England |
Concourse Holding Co., LLC |
| Delaware |
InGate Holding, LLC |
| Illinois |
InGate Technologies, LLC |
| Delaware |
New York Telecom Partners, LLC |
| Delaware |
Opti-Fi Networks, LLC |
| Delaware |
tego Communications, Inc. |
| Delaware |