About Us

The “Clear Cut Solution” for heat treating processes

Founded in 1997, Diamond Heat Treat, Inc. is an established leader in the heat treating industry. From the beginning, we have focused on creating innovative methods that address our customers’ most difficult heat treating challenges. As a result, metalworking companies across the country regard us as the “Clear Cut Solution.”

Acquired by Thermal Process Holdings in 2017, Diamond Heat Treat is now part of a unique network of diversified, technology-leading thermal process companies capable of serving an attractive universe of customers, end markets, and geographies.


Complete Customer Satisfaction

Our goal at Diamond Heat Treat is to provide our customers with the very best in quality processing and heat treating services. We are dedicated to customer service and continuous improvement.

Technology Driven

We regularly invest in new technologies and high performance solutions that serve the needs of our customers.

Expert Employees

We are a team of inspired and passionate problem solvers who are equipped with the insight and expertise to solve our customers’ toughest challenges.

Our Network

As part of the Thermal Process Holdings network of brands, we are able to provide a number of value-adds that go beyond the industry standards in quality, safety, redundancy and best practices.


Our expertise guarantees that even the hardest jobs are completed right the first time.


Time is of the essence, we’ll help ensure jobs are completed on time, every time.


Ensuring safety and quality while also helping to reduce liability.


Providing capacity for overflow or last-minute requests.