CAL-X IS NOW PROTOTEK

We have a new name but we're still ready to handle any job. Get all the same great service and access to our Grafton WI facilities you've always had under the Prototek brand.

Get a Quote

Or call us at our Grafton location: (262) 375-5952

900 Cheyenne Ave Grafton, WI 53024

About Us

We are a precision sheet metal fabrication and CNC machining one-stop-shop. A leader in rapid prototyping and short-run production, we have two facilities located in Contoocook, New Hampshire, with over 100,000 square feet of manufacturing workspace. Additionally, our West Coast facility located in Sunnyvale, CA offers high-precision machining of various metals and plastics, along with multiple capabilities in electro-mechanical assembly and continuous manufacturing. Service and quality are at the core of our company. Our dedicated staff is here to serve engineers and innovators who are creating tomorrow’s industrial world.

Our Story

The rise of new technology has afforded us with the opportunity to invent. Today, every industry is empowered to create and bring ideas to life. However, manufacturing can be very daunting, time-consuming, and expensive. Here at PROTOTEK, we harness the power of speed and technology to create solutions for our trusted partners. We develop high quality rapid prototyping and short-run production virtually on-demand. With incredible speed-to-market and industry expertise, our life’s work is helping design tools that smoothen the production process and enable technology that improves people’s lives. So, don’t let hardware get in the way of the next big invention.

What We Value

Elevating Service

Our knowledgeable team crafts peace of mind with our no-nonsense, hands-on approach.

Challenging What’s Possible

Shoulder-to-shoulder with our partners, we stop at nothing to improve lives by building new ideas together.

Crafting for the Future

With great skill comes great responsibility. We implement smarter, faster methods for a safer and smoother production process.