Klingelnberg AG develops, manufactures, and sells machines for bevel and cylindrical gear machining, and measuring centers for axially symmetrical components and gearing worldwide. The company offers bevel gear cutting, bevel gear grinding, bevel gear lapping, and bevel gear testing machines, as well as related software, tools and fixtures, after sales, and tool management products. It also provides cylindrical gear grinding and roll testing machines, machining products, and related software solutions; and precision measuring centers, application products, and accessories, as well as gear, general coordinate, form and position, roughness, contour, and optical measurement products. In addition, the company offers customized bevel gears; range of engineering services, including bearing-pattern optimization, calculations, design and simulation of gear components, and determination of static and dynamic factors of the complete system; and digital solutions, which include smart tooling and process control, machine status analyzer, OPC UA UMATI, and machine gate. It serves automotive, maritime propulsion, rail, mining/materials handling, oil and gas, agriculture, racing transmission, robot, aviation, electromobility, and wind power industries, as well as crusher gearboxes, commercial vehicles, industrial gear units, and contract manufacturers. The company was founded in 1863 and is headquartered in Zurich, Switzerland.