Exhibit 21.1

Subsidiaries (Active)

Name

    

Jurisdiction of Organization

Climb Channel Solutions, Inc.

Delaware

TechXtend, Inc.

Delaware

ISP International Software Partners, Inc.

Interwork Technologies Inc.

Wayside Technology Group Europe B.V.

Lifeboat Distribution,  EMEA B.V.

Delaware

Delaware

Netherlands

Netherlands

Wayside Technology Group (Canada), Inc.

Wayside Technology UK Holdings Limited

Canada

England and Wales

CDF Group Limited

Grey Matter Limited

Grey Matter (EMEA) Limited

England and Wales

England and Wales

Ireland