3M is a multinational conglomerate that has operated since 1902 when it was known as Minnesota Mining and Manufacturing. The company is well-known for its research and development laboratory, and the firm leverages its science and technology across multiple product categories. As of 2019, 3M is organized into four business segments: safety and industrial, transportation and electronics, healthcare, and consumer. About 60% of the company's revenue comes from outside the United States, with the safety and industrial segment constituting most of the firm's net sales. Many of the company's 55,000-plus products touch and concern a variety of consumers and end markets.