Exhibit 21.1

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Subsidiaries (Active)

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Name

    

Jurisdiction of Organization

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Climb Channel Solutions, Inc.

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Delaware

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TechXtend, Inc.

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Delaware

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ISP International Software Partners, Inc.

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Interwork Technologies Inc.

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Wayside Technology Group Europe B.V.

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Lifeboat Distribution,  EMEA B.V.

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Delaware

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Delaware

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Netherlands

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Netherlands

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Wayside Technology Group (Canada), Inc.

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Wayside Technology UK Holdings Limited

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Canada

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England and Wales

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CDF Group Limited

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Grey Matter Limited

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Grey Matter (EMEA) Limited

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England and Wales

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England and Wales

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Ireland

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