processing lines, roll grinders, automated roll shops, engineering and EPCM services, mining and bulk handling systems (see: Tenova Takraf), minerals processing and modular plants, solid/liquid separation solutions, furnaces and smelting plants. Tecpetrol: Active in oil and gas exploration and production in several Latin American countries and the United States. Humanitas: runs some health care institutions. References Companies based in Buenos Aires Companies based in Milan Multinational companies headquartered in Italy Multinational companies headquartered in Argentina Conglomerate companies established in 1945 Manufacturing companies established in 1945 Italian companies established in 1945 Steel companies of Italy Steel companies of Argentina