With companies located in more than 60 countries and worldwide sales reaching beyond $20 billion, 3M products are sold in more than 200 countries. A diversified technology company, 3M has a worldwide presence in the consumer and office; display and graphics; electro and communications; health care; industrial; safety, security and protection services; and transportation markets. The global enterprise utilizes intercompany cooperation in the research, manufacturing and marketing of its products. Its brands include Post-it, Scotch, Littmann, Nexcare First Aid and Filtrete. Tape, bandages, carpet cleaners, mounting products and air filters are some of the products the company manufactures. Headquartered in St. Paul, Minn., 3M also maintains facilities in cities such as Corona, Calif.