SUMA company building
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Our history

SUMA Gewerbeanmeldung 1957

31.03.1957
First official business registration was made as a "Workshop for the development, production, and repair of electrical and mechanical equipment, machinery and equipment" by Gerhard Thürwächter in Kühbach/Germany.

SUMA Haus in Kühbach

SUMA Zeichnung erstes Elektrorührwerk Rekordmix

01.04.1957
Start of construction of agitators and hand-carts. This included the development of the first electric agitator, the Rekordmix (see picture below). During this first year, farmer Clemens Merk joined the company.
A few years later, the company, manufacturing agitators, had its first customers in the Netherlands, England, Ireland and Norway.

SUMA Werbung erstes Elektrorührwerk Rekordmix

1963
The 2nd generation of Rekordmix was put on the market, the Rekordmix B. Here is the oldest traceable advertising for SUMA agitators.

1965
Expansion of the company: The headquarters moved to an old farmhouse in the village of Sulzberg/Germany. The barn was converted to the workshop and now provided space for 15 skilled workers. During this time, Clemens Merk left the company.

1970
Gerhard Thürwächter developed the first tractor driven mixer, the "Giantmix".

1972
The company is renamed "Thürwächter Sondermaschinen GmbH" .Shortly thereafter, came the first major order for 800 electric motors. 20% of annual production is exported.

1976
The construction of corporate buildings in the commercial area of Sulzberg is started. With a market share of 70-80 %, the Thürwächter Sondermaschinen GmbH has taken a leading role. The move to the new facility took place in 1976.

1978
Development of the first Tower Mixers.

1982
Development of Giantmix SG as an alternative to the submersible mixers of other companies.

1986
At this time the first submerged agitators were designed and manufactured.

Manufacturing of display cases for museums was set up as a second division with its own management. However, this business did not generate anticipated revenue and was abandoned.

1988
Construction of combined agitators.

1991
Dipl Ing (FH) Paul Thürwächter joined the company. He was appointed Managing Director in 1993 and in 1998 he acquired the assets of the company from his father.

1992
The company has grown to approximately 25 employees.

2000
Improvement of the agitators and design of new products.
Expansion to America and Brazil through SUMA America Inc. and Brasuma as two separate legal entities.

2007
50th anniversary of the SUMA Sondermaschinen GmbH & Co. KG. On 28.12.2007 the company was renamed SUMA Rührtechnik GmbH.

2017
SUMA celebrates 60th anniversary

2018
The export share has risen to over 60%. In the meantime, the company has sold about 85,000 agitators in 54 countries.