3M Company

3M Company

Maplewood, MNFounded 1902

Minnesota-based manufacturer that invented Post-it Notes and Scotch tape, both produced at their 450,000-square-foot plant in Cynthiana, Kentucky. Founded in 1902 as Minnesota Mining and Manufacturing, 3M is one of America's most prolific innovators and holds thousands of US patents across its consumer, industrial, and safety product lines.