EXHIBIT 21.1 SUBSIDIARIES OF THE REGISTRANT STATE OR OTHER JURISDICTION NAME OF SUBSIDIARY OF INCORPORATION - ------------------------------------- -------------------------- Aearo Corporation Delaware Aearo Company I Delaware Cabot Safety Intermediate Corporation Delaware Aearo Canada Ltd. Canada Aearo SRL Italy Aearo Proteccion Laboral SA Spain Aearo SARL France Aearo LPE Holding SARL France Aearo LPE France Aearo do Brasil Ltda. Brazil Aearo Peltor AB Sweden Peltor Holding AB Sweden Peltor AB Sweden Aearo Ltd. United Kingdom Peltor Ltd. United Kingdom Aearo GMBH Germany Peltor Forvaltnings AB Sweden Peltor Communications A/S Norway Peltor AG Switzerland Aearo Trading (Shenzhen) Co., Limited People's Republic of China Eastern Safety Equipment Company New York