Hitachi Metals

Proterial, formerly known as Hitachi Metals, is a global leader in high-performance materials and components, with a significant presence in the healthcare and medical device sectors. The company specializes in advanced materials for diagnostic imaging, such as MRI magnets, and precision components for minimally invasive surgical tools, including catheters and endoscopes. Following its acquisition by a consortium led by Bain Capital in 2022, the company rebranded to Proterial to reflect its focus on professional materials science. Their medical portfolio includes specialty steels, medical-grade tubing, and high-precision wires designed to meet the rigorous demands of the life sciences industry. Proterial operates as a critical supplier to major medical device OEMs, providing the foundational technologies required for modern diagnostic and therapeutic equipment.