1986

Single company EBZ ZELLER by Stefan Zeller
Company purpose: development and construction office

1987

Foundation of ZELLER AUTOMATIK AG by Peter Zeller (father), Thomas and Stefan Zeller (sons)
Management: Peter Zeller
Company purpose: automation technology
Head office: Murgenthalstrasse 24, 4900 Langenthal
Field of activity: representation of FAGOR AUTOMATION, CNC controls, measuring systems, digital displays

1988

Move to Aarwangen
Purchase of the first production machine for drilling, and milling work
Extension of field of activity by mechanical engineering
Construction of the first two grinding machines type ESAMAT

1992

Thomas Zeller takes over the management

1994

Stefan Zeller takes over the management
Construction of the first grinding machine type DSM

1995

Move to Wynau. Enlargement of the own production

1999

Construction of the first grinding machine type KMS

2003

Takeover of repair service for NSK microspindles

2004

Stefan Zeller takes over the majority of shares

2009

Construction of the first fully automatic grinding machine type ESAMAT

2010

Development of the cylindrical grinding machine type RSM

2012

25 year anniversary
Development of the precision rotary and swivel tables PDT and PST
Takeover of general agency Switzerland of Weiss cylindrical grinding machines

2015

100% participation of Valtec Toolsystems GmbH

2017

30 year anniversary of the company Zeller Automatik AG

2018

100% participation of Mitracon GmbH

2021

Integration of the company Mitracon GmbH into Zeller Automatik AG
All concerns regarding center grinding machines and screw presses are now handled by Zeller Automatik AG