Architectural products help create modern and diverse living spaces, and with changing societal and environmental demands, as well as broadening variations in urban and living spaces, these products must offer a wide range of materials, functions, and qualities. YKK Group develops products that consistently meet these needs, and manufactures a variety of product groups throughout Japan.

Fastening Products

• YKK CORPORATION
• YKK CORPORATION FASTENING PRODUCTS GROUP JAPAN COMPANY
• YKK SNAP FASTENERS JAPAN CO., LTD

Architectural Products

• YKK AP INC.
• YKK AP AFFILIATED COMPANIES

Others

• YKK FUDOSAN COMPANY LIMITED
• YKK INVESTMENT INC.
• YKK BUSINESS SUPPORT INC.
• CAFE BONFINO CORP.
• YKK TOURIST CO., LTD.
• ESSEN
• KUROBE M TECH
• KUROBE C G,
• KUROBE MOBILITY SERVICE
• YKK ROKKO CORPORATION