Polycase, Inc.

06/18/2026

Learn about the instant quote tool that allows you to quickly self-quote CNC machining and graphic services on Polycase enclosures. This guide will take you step by step from quoting your custom project to the full order process.

Learn more about our capabilities: polycase.com/customized-enclosures

06/17/2026

For more than 30 years, Polycase has helped engineers, designers, and manufacturers protect the electronics that power their products.

We offer a wide range of electronic enclosures for applications ranging from industrial controls and automation systems to IoT devices, sensors, and so much more.

👉🏻 What makes Polycase different? We combine a broad selection of stock enclosures, American-made options, customization services, and knowledgeable customer support to help customers move from concept to production faster.

Whether you need a single prototype or a large production run, our team is here to help you find the right enclosure for your application.

When you contact Polycase, you'll always reach a real person ready to help.

Real people. Real support. Trusted enclosure solutions.

Find your perfect Fit: polycase.com/product-sizes

06/12/2026

If you're brand new to our page, welcome! 👋 polycase.com

We're Polycase, a manufacturer of plastic electronic enclosures based in Avon, Ohio. For more than 65 years, we've helped engineers, designers, and manufacturers protect the electronics that power their products.

Why work directly with the manufacturer?

✔ Faster service and expert support

✔ High-quality enclosure solutions backed by decades of experience

✔ Same-day shipping on in-stock orders placed before 3 PM EST

✔ In-house CNC machining and graphics services that can deliver your enclosure ready for installation

And when you contact us, you'll always reach a real person. No endless phone menus, no chatbots, just knowledgeable, US-based support ready to help.

Real people. Real support. Trusted enclosure solutions.

06/11/2026

Did you know your enclosure can arrive ready for installation?

Polycase offers more than American-made stock enclosures and compatible accessories. polycase.com/customized-enclosures

Our customization services include CNC machining, digital printing, and laser marking, helping you eliminate extra processing steps, shorten lead times, and reduce the need for multiple vendors.

With more than 30 years of enclosure customization experience, nobody knows our products better than we do. Our engineering and customer service teams are available by phone, email, and chat to help guide your project from concept to completion. When you contact Polycase, you'll always connect with a real person.

One manufacturer. More possibilities.

06/05/2026

Happy National Donut Day! 🍩

Donut let dust and water ruin your electronics! Our NEMA 4X enclosures offer a tight seal against rain, washdowns, and dust. Grab a coffee, enjoy a donut, and rest easy knowing your electronics are fully protected. ☕

polycase.com/nema-4x-enclosures

06/03/2026

Pricing for customizing our stock enclosure takes less than 2 minutes with our instant online quoting tool.

Learn more: polycase.com/customized-enclosures

05/29/2026

Want to win $100? 💸 Leave us a review and you’ll automatically be entered into our monthly raffle!

05/28/2026

If you live in Ohio, you know the drill: You wake up to a blizzard, have lunch in a heatwave, and by 3:00 PM, you’re dealing with a torrential downpour. It’s a lot to handle and it’s even harder on your electronics.

Whether it’s rain, sun, or submersion, the waterproof ML Series is engineered for it all. UV-stable, durable polycarbonate enclosures with gray or clear cover options and molded on flanges for surface mounting. Made in the USA means in stock and ready to ship today.

05/25/2026

05/21/2026

Looking for a reliable housing for your next indoor electronics project? We’ve got you covered with over 200 ABS plastic enclosures to choose from.