EXHIBIT 21.1

SIGNIFICANT SUBSIDIARIES OF THE REGISTRANT

 

     STATE or JURISDICTION
of INCORPORATION
   PERCENT of
OWNERSHIP
 

Natus Medical Incorporated

   Delaware   

Natus Neurology Incorporated

   Delaware      100

Natus Manufacturing Ireland, Ltd.

   Ireland      100

Natus Europe Gmbh

   Germany      100

Excel Tech Corp. (Xltek)

   Canada      100

Medix I.C.S.A.

   Argentina      100

Embla Systems, Ltd.

   Canada      100