Explained: The Story Behind YKK Zippers and Why They’re Everywhere

YKK, or Yoshida Kogyo Kabushikikaisha, is a Japanese company founded in 1934, becoming the world's largest zipper manufacturer. Producing approximately 7 billion zippers annually, YKK holds a global market share of 50 to 90% depending on the product segment. Their vertical integration model allows them to control every step of production, ensuring consistent and durable quality, which attracts many premium fashion brands.