Scientific certainty for mission-critical parts

Innovative thermal processing experts advancing the world’s most innovative companies.

Datagineering at work

Next-generation processes

Paulo develops and executes cutting-edge thermal processes and metal finishing operations that shape advancements in aerospace, automotive, oil & gas and other key industrial sectors.

In motion
since 1943

Paulo has unleashed the true potential of complex industrial parts since it was started in a rented storefront full of used equipment. Today, the best metallurgical engineers in the business harness the power of 21st century tech to boost the quality and consistency of thermal processing.

Over 75 years of strength revealed

Going the distance

We've been committed to making customers more successful since we set up shop in a St. Louis storefront in 1943. Today, our six divisions offer thermal processing expertise on a continental scale.

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Going the distance

Latest resources

Heat Treating and the Bullwhip Effect
Heat Treating and the Bullwhip Effect

How your thermal processor can help lessen the pain of supply chain fluctuations Manufacturers must be able to respond to…

Metallurgy Minute 003: What Causes Quench Cracking?
Metallurgy Minute 003: What Causes Quench Cracking?

Quenching metal parts after heat treating increases hardness, but can sometimes lead to quench cracking…and scrapped parts. Why does this…

Heat treating 101: An introduction to heat treating procedures
Heat treating 101: An introduction to heat treating procedures

If you think heat treating is a necessary step in your manufacturing process, this paper discusses some of the key concepts in the process.

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