Domestic

• YKK FUDOSAN COMPANY LIMITED
• CAFE BONFINO CORP.
• YKK TOURIST CO., LTD.
• ESSEN
• KUROBE M TECH
• KUROBE C G,
• KUROBE MOBILITY SERVICE
• YKK Rokko Corporation

Overseas

• YKK CORPORATION OF AMERICA
• YKK INSURANCE COMPANY OF AMERICA
• AGRO PECUARIA YKK LTDA. 
• YKK EUROPE LTD.
• YKK HOLDING EUROPE B.V.
• YKK HOLDING ASIA PTE. LTD.
• GOLDEN HILL TOWER LIMITED
• YKK DEVELOPMENT (SINGAPORE) LTD
• YKK ALUMINIUM (AUSTRALIA) PTY. LTD.
• YKK GPS (QUEENSLAND) PTY LTD.
• YKK (CHINA) INVESTMENT CO.,LTD
• SUZHOU YKK MACHINERY & DIE WORKS CO., LTD.