(2) 1970s: In the 1970s Tyco boomed, beginning the decade with consolidated sales and stockholder equity reaching $34 million and $15 million, respectively. In 1974, Tyco was listed on the New York Stock Exchange (NYSE). By the end of the decade, Tyco had a larger and more diverse corporation with sales topping $500 million and a net worth of nearly $140 million. Tyco's success was largely attributed to ambitious acquisitions of Simplex Technology, Grinnell Fire Protection Systems, Armin Plastics and the Ludlow Corporation