Specialtrasfo acquired by ABB

Specialtrasfo S.p.A. is an Italian manufacturer specializing in the design and production of custom-engineered medium voltage (MV) transformers, headquartered in Agrate Brianza, in the Milan area. Founded in 1946 by the Pivi brothers, the company has developed recognized expertise in oil-immersed power transformers designed for critical and demanding industrial applications. Specialtrasfo's portfolio includes converter and rectifier transformers, engineered for both motoric and non-motoric applications across various industrial sectors. These custom components ensure efficient power conversion, precise control, and reliable electrical system performance. The company operates three manufacturing sites in northern Italy and employs approximately 130 people. Specialtrasfo serves an international customer base present in more than 70 countries, with an installed base of over 2,500 transformers and installed capacity exceeding 22,500 MVA. Its solutions equip critical applications in the energy, oil and gas, mining, steel production, electrolysis, hydrogen, renewable energy, and offshore sectors. The company celebrated its 80th anniversary in 2026, demonstrating its longevity and ability to evolve toward demanding technological niches. Specialtrasfo is a privately-held company owned by its founders and their family, with a long-standing commercial relationship with ABB.