For more than 65 years, Caplugs has been the leader in product protection with innovative plastic molded components that solve industry-wide challenges in many markets such as medical, masking, energy, automotive, electronics, hydraulics and more. We have over 12,000 standard products that include plastic caps and plugs, netting, tubing, containers and masking devices. And with 400 million parts in stock, we can ship your order today.

A dedicated team of in-house design engineers will collaborate with you every step of the way to develop custom parts that fit your exact requirements. We offer comprehensive manufacturing capabilities, rigorous process controls and a wide range of materials to choose from.

As a global manufacturer with a world-class sales and service team, Caplugs is your trusted source – developing plastic component solutions you can rely on.

Headquartered in Buffalo, NY since 1948, Caplugs has been a global leader in product protection, offering the widest range of solutions, including plastic caps and plugs, masking devices, tubing, containers, wraps, edge liners and netting.

• Largest offering of plastic molded solutions available on the market
• 15,000 standard parts in stock and ready to ship
• Five molding processes
• 10 million parts produced per day
• Hundreds of materials
• Free samples available

With manufacturing and distribution facilities all over the world, Caplugs can effectively serve its customers wherever they are with reduced production and delivery times. We offer comprehensive custom capabilities through our team of design engineers, who will work one-on-one with you to develop a custom molded piece that fits your needs. Plus our in-house tool room provides continuity and efficiency, while our certified quality management system ensures parts are produced to your exact specifications.

As a partner you can count on, Caplugs will listen to your challenges and provide the best solutions. We don't just sell parts - we're here to ensure your needs are met with the right part that protects your product, no matter how simple or complex the application may be.