Luigi Ragno

Sorin SpA engages in the research, development, and manufacture of technology products for the treatment of cardiovascular diseases. It operates through the Cardiac Surgery and Cardiac Rhythm business segments. The Cardiac Surgery segment involves in the production and marketing of single-use biomedical devices, systems used to ensure out-of-body circulation in cardiac surgical procedures, and implantable prosthetics to replace or repair heart valves. The Cardiac Rhythm segment deals with the production and marketing of implantable devices and monitoring equipment and accessories to protect against heartbeat disorders. The company was founded in 1956 and is headquartered in Milan, Italy.

Energetic SpA engages in the distribution of gas and electricity for homes, offices, and public institutions. The company is headquartered in San Miniato, Italy.

Air Four SpA provides charter airline services. It has 11 jet planes and provides charter services. The firm provides non-stop call centre, crews and a maintenance centre at the Linate airport in Milan. The company was founded in 2007 and is headquartered in Milano, Italy.

Santa Giulia Re SpA provides real estate services. The private company is based in Reggio Emilia, Italy.

Tethys SpA operates as an investment holding company with interest in medical devices, research and development. The company is based in Milan, Italy.