FPSI is non-profit professional body committed to promoting Fluid Power knowledge and technology in the country. The fluid power industry has evolved comprehensively over the last century and has generated intensive research, efficient production systems and integrated applications. The fluid power industry has three large segments: mobile hydraulics, industrial hydraulics and pneumatics. Historically, the mobile hydraulic segment has been the largest, accounting for about 50% of total fluid power sales. The industrial hydraulic and pneumatic segments are nearly the same size, each with about 25% of total fluid power sales.