Kelsen has been awarded the first-ever Sustainability Leaders Award by EMSTEEL, one of the largest publicly traded steel and building materials companies in the Middle East and a recognized leader in the region’s industrial decarbonization efforts. The award was presented during an online ceremony held as part of EMSTEEL’s Sustainability Leaders Award Program. Through this […]

Throughout 2025, Refractarios Kelsen has significantly strengthened its commitment to sustainability by enhancing its management systems, validating its environmental and energy performance, and consolidating its position as a company firmly committed to continuous improvement and industrial responsibility. During the year, Kelsen renewed key certifications that confirm the robustness of its internal processes. ISO 9001 reaffirms […]

Acerinox has held its first-ever Supplier of the Year Awards, a milestone in which Kelsen, together with Calcinor, has been recognised as one of the awarded companies. This award highlights our commitment to continuous improvement, the reliability of our refractory solutions, and the contribution we bring to highly demanding processes such as stainless-steel production. Knowing […]

Refractarios Kelsen has been recognized with the EcoVadis Gold Medal, one of the world’s leading sustainability rating agencies, which assesses more than 150,000 companies worldwide based on criteria such as environment, human rights, business ethics, and sustainable procurement. This distinction places Kelsen among the top 5% of companies globally, with a 96th percentile score, meaning […]

Refractarios Kelsen continues to move forward with its commitment to modernization and infrastructure improvement through a series of recent renovations to its offices and main access areas. The works included the complete refurbishment of the entrance area —where the parking and truck access are located— as well as the modernization of offices, meeting rooms, and […]

Refractarios Kelsen, a leading manufacturer of dolomite refractory products, has obtained the ISO 14064 certification, a major recognition reinforcing its commitment to sustainability and decarbonization. This international certification validates the company’s ability to measure, manage, and reduce greenhouse gas (GHG) emissions, ensuring transparency and reliability in environmental management. A Step Forward in Environmental Management This […]

Refractarios Kelsen, a leading name in the dolomitic refractory industry in Europe and a key player within the Calcinor Group since 2001, is proud to announce its expansion into the U.S. market with the acquisition of a manufacturing facility in Tarentum, Pennsylvania, within the greater Pittsburgh industrial hub. Known as an industrial powerhouse, Pittsburgh has […]

Global Recognition for Sustainability Efforts Refractarios Kelsen has been awarded the prestigious Bronze Medal by EcoVadis, one of the world’s most respected platforms for evaluating corporate sustainability. This achievement is particularly noteworthy as it marks the company’s first year undergoing the rigorous assessment. Placing in the 78th percentile globally, Refractarios Kelsen is now among the […]

On 14 May 2023, the XIV COMPANY RACE took place, organised by El Diario Vasco, Donosti Eventos and ADEGI in San Sebastián (Gipuzkoa). A race between companies and teams of 4 whose members must start and finish a run of 8.5 km through the city together. This time round, Calcinor participated with 4 teams, making […]