It is a conglomerate industry . Worldwide are the areas served by 3M Company . It is traded as NYSE:MMM . Public is the type of the company . Mike Roman,(Chairman,President,& CEO) are the key people in the company . There are 93516 employees in it . The founders of this company are John Dwan, Hermon Cable,Henry Bryan, William A. McGonagle . Maplewood, Minnesota, U.S. is where the headquarters are located . This company was found on 1902 . 3M.com is the name of it's website
John Dwan does not play an active role in the company any more