Mallinckrodt Chemical Works

From <a href="http://en.wikipedia.org/wiki/Mallinckrodt_Incorporated" target="_blank">Wikipedia Page</a>:

"Mallinckrodt Incorporated is a set of pharmaceutical, chemical, imaging, and respiratory equipment suppliers based in the St. Louis, Missouri area. Founded in 1867 when the Mallinckrodt brothers formed G. Mallinckrodt & Company to manufacture pharmaceutical chemicals, Mallinckrodt was purchased by Tyco Healthcare (Tyco International) in 2001".