1949
- Karl Leister founded "Karl Leister Elektro-Gerätebau" in Solingen, Germany as a sole proprietorship.
1949 - 59
- Development of distribution network: 10 countries in Europe and Australia
1950
- Production in the basement of Karl’s parents' house
- Leister FIX W200 hand-held vacuum cleaner
- 3 employees
1954
- Karl Leister invents the Leister KOMBI, a hot-air tool for welding thermoplastics.
- First production building in Solingen
1959
- First Leister trade show booth at the international plastics 'K' trade fair in Duesseldorf, Germany
1960 - 69
- Expansion of distribution network in six European countries, as well as in the United States, Canada, South Africa, Israel and Japan
1963
- Opening of branch operation in Kaegiswil, Switzerland
- 34 employees
1966
- New company building in Kaegiswil
- 50 employees
1967
- New product line for Process Heat: Air heaters and blowers
1970
- New plant in Solingen
1971
- First production expansion in Kaegiswil
1979
- Own motor production founded
1980
- A historical farm house is turned into an office building in Kaegiswil
- 150 employees
1980 - 89
- Expansion of sales network in 17 countries in Europe, Asia and Latin America
1984 - 89
- Third and fourth production expansions in Kaegiswil
- 200 employees
1992
- Last production expansion in Kaegiswil
- Sales and service centers in 41 countries
- 220 employees
1993
- Christiane Leister takes over control of the company and the executive management as successor
1997
- "Weldy" hot-air blowers
1999
- Axetris receives a cleanroom in the Kaegiswil building.
- Leister Technologies Deutschland GmbH, Hagen, Germany
- 290 employees
2000
- Leister Technologies LLC in Itasca, Illinois, United States
2004
- Leister Technologies Ltd., Shanghai, China
- Production relocation of Weldy hot air units to China
2007
- Acquisition of "IR Microsystems SA" to expand Axetris’ product portfolio
2008
- Acquisition of a representative, industrial building for the use as headquarters in Kaegiswil
2009
- Leister Technologies KK in Yokohama, Japan
2012
- Leister Technologies India Pvt., Chennai, India
2013
- Leister Technologies Benelux Ltd. with locations in Houten, the Netherlands, and Herenthout, Belgium
- Leister Technologies Italia srl, Milan, Italy
2014
- Acquisition of Seamtek LLC, United States, to expand the Leister product portfolio with stationary welding machines
- 620 employees
2016
- Leister Technologies GmbH acquires the Leister sales partners in Germany
- Start of digital transformation, Leister GEOSTAR G7 LQS with automated recording of welding parameters
2020
- Construction extension begins for a cleanroom and production space for Axetris AG in Kaegiswil
- myLeister web platform with new, digital customer services
2022
- Foundation of the sales organization Leister International AG in Switzerland
- 960 employees
2023
- Opening of the new production site in Coimbatore, India.
2024
- Company anniversary: 75 years Leister Group
- 900 employees worldwide, 590 of these in Switzerland
2025
- Leadership change at the Leister Group. Marcel Roth becomes the new Chairman of the Board, and Dr. Nicolas Niedhart is appointed CEO.
