Exhibit 21.1
Subsidiaries of the Registrant
| Name |
Jurisdiction of Incorporation | |
| HTM Holdings, Inc. | Delaware | |
| 940862 Ontario Inc. | Ontario, Canada | |
| 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 | |