STELL is a company that operates in the steel industry, providing a range of steel products and services. The company is involved in the manufacturing and distribution of steel, catering to various sectors including construction, automotive, and appliances. STELL generates revenue through the sale of its steel products and related services. The company has a significant presence in the United States and Central Europe, with a history dating back to its founding in 1901. STELL is recognized as one of the largest steel producers in the world, known for its innovation and continuous growth.