Carmeuse is a global family of 6,300 employees known for supplying mineral materials to major industrial operations. The company produces lime and limestone for customers whose processes include steelmaking, environmental treatment and construction, while also providing tailored engineering support. Its plants report compliance with ISO 9001, ISO 14001 and ISO 45001 standards.
European standards compliance
Equivalent Concrete Performance Concept / EN 206
Carmeuse SystemsCarmeuse Systems emerged in 2024 from the unification of several legacy businesses under Carmeuse, the privately owned lime and limestone producer founded in 1860. Today, it brings that material knowledge to industrial operations as a trusted advisor, designing and supporting systems that handle lime and other dry bulk materials throughout their working life. Its ISO 9001 certification reflects the quality controls behind that practical, end-to-end support.PITTSBURGH, PA
CemexCemex is a multinational construction materials company with over 120 years of history, producing and marketing cement, ready-mix concrete, aggregates, and related construction materials such as admixtures and mortars. With a workforce of around 40,000 people worldwide, the company serves customers in more than 50 countries and is committed to sustainability, aiming to become a net-zero CO2 company by 2050.WAMPUM, PA
LIBERTY Steel GroupLIBERTY Steel Group is an international, fully integrated steel and mining business that makes steel from raw and recycled materials and produces engineered steel products. Established as a trading company in 1992, it entered the steel industrial sector in 2013 and operates across multiple continents; the company reports about 10,000 employees and contractors at more than 30 locations on its About page. Its production spans flat and long steel, with downstream products serving strategic industrial sectors worldwide.IRVING, TX
The Kish Company, LLCKnown for more than 35 years of mineral expertise, The Kish Company is a Mentor, Ohio, supplier and processor serving manufacturers that use specialty materials in their products. Its technical team develops application-specific solutions, backed by an in-house laboratory and processing sites in Chattanooga and Jeffersonville. The company operates under an ISO 9001 quality management system.MENTOR, OH