Ferris-leader in commercial mower innovation. In 1987 the company introduced and patented the first hydrostatically driven walk-behind mower. For this innovation the company was awarded the prestigious Innovation Award from the Outdoor Power Equipment Institute (OPEI). In 1998 Ferris introduced IS Independent Suspension-the first ever independent suspension system for the riding mower. IS earned Ferris the prestigious OEMie award. This award seeks to recognize products that advance the state-of-the-art provide a unique solution and offer a significant increase in performance. Today Ferris continues its commitment to reliability and innovation in the commercial market.