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 products includes office supply products, stationery products, home improvement products, home care products, protective material products, certain consumer retail personal safety products and consumer health care products. 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.