KELLENBERGER was established in 1917 and is specializing in the development and production of numerically controlled precision grinding machines and systems for the application in the field of medium and high technology. By the use of most modern manufacturing means future-oriented technology is being created, which can meet the customers technical and economical requirements today and tomorrow. Wherever highly accurate grinding is required, KELLENBERGER precision grinding machines are in use.

L. KELLENBERGER & Co. AG develops and manufactures hydraulically and numerically controlled precision grinding machines and systems for application in the field of medium and high technology. It offers products ranging from precision and manual lathes to multi-tasking CNC lathes; manual knee mills to vertical and horizontal multi-tasking CNC machining centers; and precision manuals to CNC type universal grinding machines for OD, face, and ID grinding applications. The company also provides products ranging from precision manuals to CNC-type grinding machines for OD and ID production CNC grinding applications; precision jig grinding and five axis profile grinding applications; and precision collets, chucks, and work holding systems. In addition, it offers spare parts, support, and training services. The company was founded in 1917 and is based in St.Gallen, Switzerland. L. KELLENBERGER & Co. AG operates as a subsidiary of Hardinge Inc. 29th November 1995 "Closing Date". As from this date KELLENBERGER makes part of HARDINGE INC., Elmira, USA.

The Hardinge Group, based in Elmira/USA, is a leading international machine tool manufacturer with locations in North America, Europe and Asia. Reflecting our policy of constant information of our customers and market requirements, the two Swiss subsidiaries in the grinding machine sector
– L. Kellenberger & Co. AG and HTT Hauser tript Tschudin AG – have now merged.