CRH is one of the world’s leading building materials companies, with a business that spans 32 countries and which serves all segments of construction industry demand. CRH subsidiary companies employ over 85,000 people at around 3,600 locations around the world and generated sales of €27.6 billion in 2017.

Fels-Werke GmbH one of Europe’s leading suppliers of lime stands for high-quality quicklime and lime products as well as mineral aggregates. Fels is supplier and partner to the building materials industries as well as to a wide range of other industrial lime applications. Expert advice and dedicated services are key extras. Long-standing customer relationships allow us to respond quickly to our customers' demands. R&D, innovative technologies and creativity provide for new solutions to the benefit of our customers.  https://www.fels.de/de/

Tarmac plc. is the UK’s leading sustainable building materials and construction solutions business. Our innovative services and solutions help to deliver the infrastructure needed to grow the economy today and create a more sustainable built environment to support our future prosperity. We have breadth of capability and expertise that covers lime and powders, contracting and building products, aggregates and asphalt, ready-mix concrete, cement. https://www.tarmac.com/

Trzuskawica S.A.  the leading Polish producer of lime, limestone flours, and aggregates. We extract limestone and produce lime of the highest quality which we are providing to such sectors as: construction, environmental protection, energetics, metallurgy, agriculture and other.
http://www.trzuskawica.pl/

VÁPENKA VITOŠOV s.r.o. is one of the three largest lime producers in the Czech Republic. Fels-Werke GmbH entered to the company in 1993. The basic portfolio is lime and limestone products for a broad scope of industrial applications. SALITH® is the well-known system of mortars, plasters and paints. https://www.vitosov.cz/