Bierens Companies, founded in 1880, has become the gear specialist for over 70 years. What has always remained is Bierens’ ongoing care and passion for the profession. The foundation of our history, the basis for your future. Bierens has become the market leader in gears, gearboxes, mechanical drives, special machines and overhaul work. For many years Bierens is certified for NEN-EN-ISO 14001 and 9001 and manufactures prototypes and supplies large and small series and products in limited edition, such as a gear for an antique tractor or transmission of a ship.