Founded in 1981, Quark is a privately owned company that provides a range of software products for the publishing industry. Its QuarkXPress is a desktop publishing program that is used by more than 3 million customers worldwide. The company has office locations in India, Europe and Far East, as well as customer support centers in Japan, Switzerland and the United States. Quark has clients in over 100 countries worldwide. In addition, it offers products for newspapers, magazines, books, catalogs, brochures and online materials. The company provides QuarkAlliance and reseller programs. Quark s clients include BurdaYukom Bischoff-Verlag, Leicester College, Sheffield Hallam University and SmartHealth. It offers desktop products and publishing systems and solutions. Quark also provides installation services for products.