3M Co. is a technology company, which manufactures industrial, safety, and consumer products. It operates through the following segments: Safety and Industrial, Transportation and Electronics, Health Care, and Consumer. The Safety and Industrial segment consists of personal safety, industrial adhesives and tapes, abrasives, closure and masking systems, electrical markets, automotive aftermarket, and roofing granules. The Transportation and Electronics segment consists of electronics, automotive and aerospace, commercial solutions, advanced materials, and transportation safety. The Health Care segment includes medical and surgical supplies, skin health and infection prevention products, oral care solutions, separation and purification sciences, health information systems, inhalation and transdermal drug delivery systems, and food safety products. The Consumer segment covers consumer healthcare, home care, home improvement, and stationery and office products, such as consumer bandages, braces, supports, respirators, cleaning products, retail abrasives, car care DIY products, picture hanging, and consumer air quality solutions. The company was founded by Henry S. Bryan, Hermon W. Cable, John Dwan, William A. McGonagle and J. Danley Budd in 1902 and is headquartered in St. Paul, MN.