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

Metallurgy Minute 002: Why Is Stainless Steel Called Stainless?
Metallurgy Minute 002: Why Is Stainless Steel Called Stainless?

What’s behind the corrosion resistance that earned stainless steel its “stainless” reputation? While iron is the main component in all…

Capability Spotlight: Screenprint Brazing
Capability Spotlight: Screenprint Brazing

Brazing is the joining of steel parts using a filler metal with a lower melting point than the parts being…

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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