Tyco International, the world's largest pure-play fire protection and security company, and Johnson Controls, a global diversified technology and industrial leader, merged in a $20bn deal. "The combination of Tyco and Johnson Controls is a highly strategic, value-enhancing step that brings together the unique strengths of two great companies to deliver best-in-class building technologies and services to customers around the world," said George R. Oliver, chief executive officer, Tyco. "We believe this transaction will allow us to better capture opportunities created by increased connectivity in homes, buildings and cities. Joining forces with Johnson Controls pairs our leading established businesses with robust innovation pipelines and extensive global footprints to deliver greater value to customers, shareholders and employees of both companies."