The Weir Group PLC is a Scotland-based engineering company that develops equipment, technologies and services for the mining and minerals processing industries. Its products are used across the mining lifecycle, including extraction, crushing, grinding, classification, separation and tailings management. The company also provides replacement parts, maintenance, technical support and other aftermarket services designed to help customers improve equipment performance and operational reliability.
Weir’s principal offerings include slurry pumps, hydrocyclones, screens, crushers, grinding mills, mill liners and other equipment used to handle abrasive materials and process mineral ores. Through its Weir Minerals and ESCO businesses, the company serves applications involving hard rock, sand and aggregates, construction materials, and other demanding industrial operations.
Founded in Glasgow in 1871 by brothers George and James Weir, the company originally manufactured engineering equipment and pumps before developing a broader focus on mining and minerals processing. Today, The Weir Group serves customers internationally through operating locations, service centers and distribution networks in major mining regions, including the Americas, Australia, Africa and Asia-Pacific.
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