Primetals Technologies Limited

Primetals Technologies Limited (Primetals Technologies) is a global engineering, plant-building, and lifecycle services company for the metals industry, with headquarters in London, UK. Part of the Mitsubishi Heavy Industries Group, it supplies technology and equipment spanning the iron and steel value chain and supports producers with modernization, maintenance, and digital solutions.

The company’s portfolio covers ironmaking and steelmaking (including blast furnaces, basic oxygen converters, and electric arc furnaces), continuous casting, and hot and cold rolling for flat and long products. It provides electrics and automation, process control, and quality assurance systems, as well as aftermarket services, spare parts, and performance optimization.

Primetals Technologies also develops environmental and decarbonization solutions for steel production, such as energy-efficiency upgrades, hydrogen-ready and direct-reduction pathways, off-gas and dust handling, water management, and waste-heat recovery. Its work intersects with process industries through emissions control, gas cleaning, and digital process optimization used to reduce environmental impact and improve resource efficiency at metals plants worldwide.