Exhibit 21.1 LIST OF SUBSIDIARIES State or Country of Name Incorporation - ---- ------------- Respironics Colorado, Inc. Colorado Respironics Georgia, Inc. Georgia RIC Investments, Inc. Delaware Respironics (HK) Ltd. Hong Kong Respironics Medical Products Shen Zhen Ltd. Peoples Republic of China Wegot Investments Ltd. Hong Kong Respironics Technologies Ltd. Hong Kong Respironics Europe France Respironics France France Respironics Deutschland GmbH Germany Health Scan Products, Inc. New Jersey RCM Manufacturing, Inc. Philippines Sigma Manufacturing Limited Hong Kong Respironics Verwaltungsgesellschaft Germany Respironics Technologies (Guangzhou) Ltd. Peoples Republic of China Stimotron Medizinische Gerate GmbH* Germany Respironics International, Inc. Delaware * Merged into Respironics Deutschland after June 30, 1998.