National Down Syndrome Society (NDSS)	
     
    
    
    
    	
    		Description: The mission of the National Down Syndrome Society is to be the national advocate for the value, acceptance and inclusion of people with Down syndrome.	
      
      
     
      
    
    
    
    
    
    
    
    	
    		Phone Number: (800) 221-4602	
     
    
    
    
    
    
    
    	
    		Contact Email: info@ndss.org