ktk Inc. manufactures and sells reused products and consumables for office equipment in Japan. The company operates through Supply Business and IT Solutions Business segments. It offers repack toners, ribbons, inks, and gels; and stationery and office supplies, office furniture, office automation equipment, copy papers, printers, printed matters, toner/ink cartridges, PC/mobiles, disaster prevention supplies, environmental hygiene products, and multifunction devices, as well as office purchasing systems. The company also provides various IT solutions, including printing and paperless solutions; network construction and Wi-Fi environment; cyber and email security solutions; and digital communication tools and workplace design solutions. It serves government agencies, financial institutions, agricultural cooperatives, and other general companies. The company sells its products through mail orders, online, and catalogs. ktk Inc. was incorporated in 1971 and is headquartered in Nagoya, Japan.