Smiths Group PLC

With its start as a London jeweler in the 19th century, Smiths Group has for most of its history operated as a company operating disparate but economically attractive businesses. Thematically, it runs businesses that manufacture niche products in security- or safety-sensitive industries. Today, the business is split across four divisions: mechanical seals, weapons detection, electrical connectors, and specialized hoses. The end customers for these products include airports, NASA, government security or defense departments, and hospitals.