Heat Treating Solutions That Are Custom and Affordable

Provide us with your material requirements, temperature range and volume, and we’ll build a cost-effective heat treat solution that will serve you night and day for years to come. Working alongside our customers to determine the optimal heat treating solution for their application, we pride ourselves on our ability to provide complete customization while keeping costs down.

Our Story

The veteran team at Diablo started with a vision to improve the way manufacturers were receiving custom furnace engineering services. Over the last decade, they have grown from a primarily regional to a now nationally-recognized company, providing their customers with highly customized heat treating solutions.


We've Got It All Covered

We offer a range of heat treating solutions and work with our customers to determine whether a custom rebuild, upgrade, or brand new furnace is recommended for their application. All of our equipment is made with the highest quality materials and undergoes rigorous testing to ensure long-term product reliability.


The Diablo blog is where we curate industry news and articles and where we share about some of the hottest heat treating topics in our blog.

Bill Gornicki is appointed Chief Executive Officer (CEO) of both Diablo Furnaces and Machine Tool Builders (MTB)

May 20th, 2019… Effective immediately, Diablo Furnaces announces the appointment of Bill Gornicki as Chief Executive Officer (CEO) of both Diablo Furnaces and Machine Tool Builders (MTB) based in Machesney Park, Illinois. With 29 years’ experience in the thermal processing industry, Gornicki, brings a fresh perspective with proven results to leverage the dynamic and diversified […]
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Diablo retrofits IQF for Commercial Heat Treater

Diablo recently completed the design, build, and retrofit of an Integral Quench Furnace complete with load tables. The purchaser is a commercial heat treater who chose Diablo because of our design capabilities and on-time delivery. The furnace can handle a load size up to 30″ W x 48″ L x 26″ H with a weight […]
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Diablo completes Circular-Design Draw/Temper Furnace

Diablo designed and built a Circular-Designed Draw Temper with Load Table for a commercial heat treater. The furnace features Eurotherm Nanodac controls with a load weight of 5000 lbs. The furnace can operate with loads up to 36″W x 52″L x 36″H and a temperature of 1400 degrees.  
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