Johnson & Johnson, founded in 1886 and based in New Brunswick, New Jersey, develops and manufactures pharmaceuticals, medical devices, and other health care products, which it markets to customers worldwide. The firm is known for its BAND-AID (R) adhesive bandage, Johnson's (R) Baby Powder, and TYLENOL (R) acetaminophen painkiller consumer products. BAND-AID products were introduced in 1921. Johnson & Johnson encompasses 250 operating companies. TYLENOL is produced by the McNeil Consumer Healthcare subsidiary. The Ethicon Endo-Surgery Incorporated business, established originally as a business division, develops surgical instruments. ETHICON Incorporated develops surgical, wound management, and women's health products. The Personal Products Company, founded as the Modess division, develops sanitary napkin products. Ortho, launched in the 1930s, develops birth control products. Johnson & Johnson also has acquired Frontier Contact Lenses, LifeScan Incorporated, Neutrogena Corporation, DePuy Incorporated, Biopsys Medical Incorporated, Centocor Incorporated, Inverness Medical, Scios Incorporated, and other companies. The firm's 1989 joint venture with Merck Consumer Pharmaceuticals led to the development of the PEPCID AC (R) over-the-counter heartburn treatment. The company's maintains offices in 57 countries and employs over 100,000 people. Johnson & Johnson went public in 1944. It is listed on the New York Stock Exchange under the JNJ symbol. The company has won recognition from 'Fortune,' 'Business Week,' and 'The Wall Street Journal.' The firm was founded by brothers Robert Wood Johnson, James Wood Johnson, and Edward Mead Johnson.