If you're experiencing longer than usual lead times, we can often engineer and cut matchplate tooling in a matter of days or weeks, depending on size read-more.gif

Casting Processes

Prototype Casting, Inc. offers seven different casting processes capable of manufacturing a variety of parts read-more.gif

Machined Parts

Our engineers and operators, with our full-line machine shop, are capable of producing high-quality machined parts read-more.gif

Aluminum Heat Treating

Our revolutionary furnace, using our in-house treatment system, is capable of treating most aluminium castings in a matter of days read-more.gif


Our company manufactures metal components in prototype and low-volume production quantities. Whether it is 1 or 5,000 parts, we deliver functional components and assemblies that meet your demanding delivery schedules.


With many complementary processes, we can assist you in producing everything from prototype printed parts all the way up to production die castings.

The prototype industry is driven by constant technological changes and advances and in order to stay at the top of the market, a metal foundry must excel at education, engineering know how and managing risks in making something for the first time while meeting the challenging demands of you the customer. We benefit your business by speeding up your operations and helping you operate more efficiently.

As a Foundry and Machine Shop, our efficient production of parts comes in the form of optimized planning and knowing that a project starts with the right choices in process, alloy and engineering design for the job. Depending on the application, an alloy must be determined and the most appropriate process will be chosen.

Let Protocast Inc. be your reliable partner in the field of metal and aluminum casting as we highly value an excellent client relationship. We would like to act as your partner in development, sharing ideas in material choices, product designs and machining to achieve optimal casting through open dialogue. If you have specific questions, feel free to contact us at any time.   

Recent Work: From what we can share

Sample RPM casting

Right Side Reg.JPG     sample part 1.JPG

Sand Casting and Hogouts                                                   Sand Casting prior to finished machining



Haas Gantry Mill


Speeds up Toolcutting and Increaes Capacity and Size Envelope we can Manufacture

In the Metal Foundry Industry, There are Several Types of Casting

Metal casting is often explained as the transformation of fluid metal into a designed form

Metal casting is often explained as the transformation of fluid metal into a designed form or specific shape. There are several commercial casting process, each that holds their own special benefits. It is something you need to take into consideration

Supporting the Warfighter

We are proud to be a Small Business that works with Big Defense Contractors supporting the Warfighter

Cast Expo 2016

We will be in Minneapolis, Minnesota at the Convention Center

Performance Racing Industry Show

See us at the Performance Racing Industry Show December 10-12, 2015 at the Indianapolis Convention Center. We will be at booth 5613 on Machinery Row


About Us

Prototype Casting Inc is a leading foundry and machine shop from Denver, Colorado, USA.

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qoates.gifIn regards to the parts. Very nice job. The taper joint was spot on and so were almost all of the other critical features. . Tricky job, but he pulled it off. I am a little out on a limb here and this was a very visible set of parts. I couldn't be stoked more.
Peter Yodis
Design Engineer, Harold Beck Co.

Close up snowmobile Chad.JPG

We love Colorado, come and visit sometime




Printed Sand Cores with renshape tooling for casting in Air Set Precision Sand Process

Our Clients

Just a sample of our clients: