About UPC-Marathon

UPC-Marathon is a global leader in process control instrumentation for the heat treating industry. With over 50 years of experience, we design, manufacture, and support a comprehensive range of products including oxygen probes, process controllers, gas analyzers, flow meters, gas generators, and production management software.

Our mission is to help manufacturers achieve precise, repeatable, and efficient thermal processing through advanced instrumentation and control technology. We serve customers across automotive, aerospace, defense, energy, medical, and many other industries worldwide.

Founded on a commitment to innovation, UPC-Marathon continues to push the boundaries of process control technology. Our products are engineered for reliability and accuracy in the most demanding industrial environments, from carburizing and nitriding furnaces to combustion systems and gas generation equipment.

With decades of metallurgical expertise, we provide comprehensive support throughout the entire project lifecycle — from initial consultation and system design to installation, commissioning, and ongoing technical assistance.

We operate worldwide, serving customers across global markets through our engineering, manufacturing, R&D, and service network. Our international presence enables us to provide responsive, knowledgeable support wherever our equipment is installed and operated.