Exhibit 21.1
 
Subsidiaries of the Registrant
 
     
Name
 
Jurisdiction of Incorporation
     
HTM Holdings, Inc.
 
Delaware
Qualtron, Inc.
 
Massachusetts
Radio Componentes de Mexico, S.A. de S.V.
 
Mexico
SMTC Asia Ltd.
 
Hong Kong
SMTC de Chihuahua S.A. de C.V.
 
Mexico
SMTC Ireland Company
 
Ireland
SMTC Manufacturing Corporation of California
 
California
SMTC Manufacturing Corporation of Canada
 
Ontario, Canada
SMTC Manufacturing Corporation of Colorado
 
Delaware
SMTC Manufacturing Corporation of Massachusetts
 
Massachusetts
SMTC Manufacturing Corporation of North Carolina
 
North Carolina
SMTC Manufacturing Corporation of Texas
 
Texas
SMTC Manufacturing Corporation of Wisconsin
 
Wisconsin
SMTC Mex Holdings, Inc.
 
Delaware
SMTC Nova Scotia Company
 
Nova Scotia, Canada
SMTC R&D Teoranta
 
Ireland
SMTC Teoranta
 
Ireland
ZF Array Technology, Inc.
 
California