3M is a diversified American technology and manufacturing conglomerate headquartered in St. Paul (Maplewood), Minnesota. Founded in 1902 as the Minnesota Mining and Manufacturing Company, 3M produces more than 60,000 products across safety and industrial, transportation and electronics, healthcare, and consumer segments. Well-known brands include Post-it, Scotch tape, Command, Scotchgard and its N95 respirators. 3M is publicly traded on the New York Stock Exchange under the ticker MMM.