About Lenzip – Custom Zipper
Manufacturer Since 1946
Lenzip is a U.S.-owned zipper manufacturer producing high-quality zippers and components made to your specifications. Since 1946, we’ve partnered with manufacturers, designers, and OEMs worldwide who need reliable bulk and custom zipper solutions. With minimums as low as 25 units and turnaround times typically under three weeks, we deliver the performance you need — on time, every time.
At Lenzip, every zipper begins with understanding your product and needs. From prototype to large-scale production, we deliver precision, reliability, and service built on nearly eight decades of expertise.
A Legacy of Reliability and Innovation
For nearly eight decades, Lenzip has been manufacturing premium industrial and commercial-grade zippers with precision and care. Our history is built on craftsmanship, responsive service, and long-term partnerships.
From aerospace to marine, sports to medical, our zippers have been trusted on the International Space Station, luxury yachts, NFL team gear, military medical bags, firefighter equipment, hospitals, hotels, and more. Wherever durability and precision matter, you’ll find Lenzip.
Our Approach to
Every Project
At Lenzip, every zipper starts with a conversation. We learn about your product, your environment, and your performance requirements before we ever cut a chain or fit a slider. This partnership approach means you get a zipper that’s not just functional — it’s built for your exact application.
From the first prototype to large-scale production, we combine nearly eight decades of manufacturing expertise with a dedication to precision, reliability, and responsive service. Whether your project requires specialized materials, weather resistance, or high-strength performance, our team works with you to make it happen.
Our Commitment to Quality
At Lenzip, quality starts with engineering and ends with customer satisfaction. Our zippers are manufactured in suburban Chicago with meticulous attention to detail and strict quality control processes.
We understand that in industries like aerospace, marine, medical, and military, performance is non-negotiable. That’s why our customers trust Lenzip to deliver consistent, high-performing products in every order.
Have a Project in Mind?
We’re ready to help you bring it to life.
Call us at (847) 368-9000 or request a quote today.