EXHIBIT 21

Subsidiaries of the Registrant

LoJack Equipment Ireland Limited, an Ireland Company

LoJack de Mexico, S. de R.L. de CV, a Mexican Limited Liability Company

LoJack do Brasil LTDA, a Brazilian Limitada

LoJack International Corporation, a Delaware Corporation

LoJack Italia SRL, an Italian Company

LoJack Network SRL, an Italian Company

LoJack Global LLC, a Delaware Limited Liability Company

LoJack Operating Company, L.P., a Delaware Limited Partnership

Boomerang Tracking Inc., a Canadian Corporation

LoJack ExchangeCo Canada Inc., a Canadian Corporation

An Jie China Holdings Limited, a Cyprian Company

LoJack of Puerto Rico, Inc., a Puerto Rico Corporation

LoJack Uruguay S.A., a Uruguay Company

LoJack International Benelux, SPRL, a Belgian Company

LoJack European Network B.V., a Dutch private limited company

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