Exhibit 21.1 LIST OF SUBSIDIARIES State or Country of Name Incorporation - ---- ------------- RIC Investments, Inc. Delaware Respironics (HK) Ltd. Hong Kong RCM Manufacturing, Inc. Philippines Sigma Manufacturing Ltd. Hong Kong Wegot Investments Ltd. Hong Kong Respironics Medical Products (Shenzhen) Ltd. Hong Kong Respironics Technotrend Ltd. Hong Kong Respironics Technologies Ltd. Hong Kong Respironics Technologies (Guangzhou) Ltd. China Respironics France France Respironics Colorado, Inc. Colorado Respironics Deutschland GmbH and Co. KG Germany Respironics Verwaltungsgesellschaft GmbH Germany Respironics Georgia, Inc. Georgia Respironics California, Inc. California Respironics Healthscan, Inc. New Jersey Respironics International, Inc. Delaware