Welcome to the UABIO team new member — the CALDERYS group of companies!

We are proud that our team is expanding and is filled with powerful international market players with many years of experience.

Calderys is one of the world’s leading manufacturers and suppliers of refractory materials and designers of refractory liners. It is a large group of companies headquartered in Paris. The German subsidiary CALDERYS Deutschland GmbH is responsible for the operational and financial management of the group’s business in Eastern Europe and, thus, in Ukraine.

Welcome to the UABIO team new member — the CALDERYS group of companies!

About the company

Calderys has many years of experience in waste, biomass and coal combustion thermal units, as well as the latest gasification technologies. The company has worked on a variety of projects from regular maintenance to complete plant installations for operators and large OEM/EPCs. Calderys has always paid close attention to the service life and frugality of refractory materials.

Виробничий процес, що ілюструє роботу компанії

The Group also specializes in thermal protection for industrial equipment with a wide range of refractory products, and advanced solutions to enhance steel casting, metallurgical fluxes and molding processes. In February 2023, Calderys joined forces with HarbisonWalker International, the largest supplier of refractory products and services in the United States. Together, Calderys and HWI have 150+ years of combined experience.

The world leader

Calderys is present in more than 30 countries and sells its products and services in more than 100 countries. In addition, the company has:

  • 50 plants in the 5 continents;
  • 2 global R&D centers;
  • more than 5,000 people worldwide and an additional 1,500 from HarbisonWalker International.

Calderys has created a truly global refractory network spanning:

  • production plants;
  • local labs;
  • sales offices;
  • engineering centers;
  • external partners;
  • full-time workers on customer sites.

Calderys Leadership Team has in-depth business knowledge and years of industry experience. The team defines Calderys’ strategic orientations and ensures the achievement of its ambitious growth plan. The Executive Committee leads the Group formed by the combination of Calderys and HarbisonWalker International.

We recommend visiting the Calderys website to learn more about the company’s activities.


Join the team of specialists and market leaders! Let’s develop bioenergy together!

Learn how to become a UABIO member here.

We are greening energy!