About

About YKK (U.S.A.) Inc YKK, founded in Tokyo in 1934, is the world’s largest zipper manufacturer and a global leader in fastening solutions. With integrated production in countries around the world, YKK delivers high-quality zippers, plastic hardware, webbing, and more while serving evolving needs across industries with speed, precision, and innovation. YKK delivers NFPA‑compliant fastening solutions, FR zippers, durable snaps & buttons, plastic hardware and high‑performance webbing—for turnout gear, FR workwear, and emergency equipment. Engineered for heat, abrasion, and demanding field use, YKK components help ensure reliable performance when firefighters need it most.