Observing Countries

• Australia ( SA )   
• Belarus ( BELST )   
• Bulgaria ( BDS )   
• Croatia ( HZN )   
• Cuba ( NC )   
• Czech Republic ( UNMZ )   
• Greece ( ELOT )   
• Hong Kong ( ITCHKSAR )   (Correspondent member)
• Hungary ( MSZT )   
• Iceland ( IST )   
• Indonesia ( BSN )   
• Iran, Islamic Republic of ( ISIRI )   
• Italy ( UNI )   
• Malaysia ( DSM )   
• Mongolia ( MASM )   
• Montenegro ( ISME )   (Correspondent member)
• Morocco ( IMANOR )   
• New Zealand ( SNZ )   
• Pakistan ( PSQCA )   
• Poland ( PKN )   
• Portugal ( IPQ )   
• Saudi Arabia ( SASO )   
• Serbia ( ISS )   
• Singapore ( SPRING SG )   
• Slovakia ( SUTN )   
• Slovenia ( SIST )   
• Spain ( AENOR )   
• Thailand ( TISI )   
• The Former Yugoslav Republic of Macedonia ( ISRM )   
• Tunisia ( INNORPI )