Innovative, World-Class Solutions
Backed by 165+ Years of Expertise
At TEi, we bring over a century and a half of engineering excellence to the design and manufacturing of advanced heat transfer equipment for the world’s most demanding industries.
Since 1851, Struthers Wells™ has delivered thousands of reliable, high-performance systems to chemical plants, oil refineries, and petrochemical facilities in dozens of countries worldwide. Renowned for our fired heaters and waste heat recovery units, Struthers Wells has become a trusted name in industrial thermal solutions.
Formerly Southwestern Engineering and Senior Engineering Company, Thermal Engineering International (USA) Inc. (TEi) has supported the global power industry with:
- Surface condensers
- Feedwater heaters
- Moisture separator reheaters (MSRs)
- Power plant heat exchangers
We operate dedicated U.S. manufacturing facilities and partner with licensed fabrication shops across the globe, ensuring world-class quality and localized delivery.
Our La Palma, CA based design teams provide end-to-end engineering, offering single-point responsibility from concept to completion. Through strategic acquisitions, including EFCO and Struthers Industries, TEi delivers a full portfolio of heat transfer solutions, including:
- Fired heaters
- Waste heat boilers
- Shell-and-tube and custom industrial heat exchangers
From legacy to leadership — TEi continues to set the standard in thermal engineering.
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