Exhibit 21.1

List of Subsidiaries of QualTek Services Inc.

Name of Subsidiary	Jurisdiction of Organization
QualTek Holdco, LLC	Delaware
QualTek Buyer, LLC	Delaware
QualTek LLC	Delaware
QualTek Midco, LLC	Delaware
Advantek Electrical Construction, LLC	Delaware
Concurrent Group LLC	Delaware
The Covalent Group LLC	Delaware
NX Utlilities ULC	British Columbia, Canada
QualSat, LLC	Delaware
QualTek Fulfillment LLC	Delaware
QualTek Management, LLC	Delaware
QualTek Recovery Logistics LLC	Delaware
QualTek Renewables LLC	Texas
QualTek Wireless LLC	Delaware
QualTek Wireline LLC	Delaware
Site Safe, LLC	Delaware
Urban Cable Technology LLC	Pennsylvania