Sandvik is a Swedish-based worldwide group with over 200 companies in 60 countries and over 30,000 employees. The Coromant Division of Sandvik is the world's No. 1 supplier of tools and techniques for competitive machining.'Sandvik is a Swedish-based worldwide group with over 200 companies in 60 countries and over 30,000 employees. The Coromant Division of Sandvik is the world's No. 1 supplier of tools and techniques for competitive machining.