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Corporate Partners

Zwick GmbH & Co. KG 

Zwick GmbH & Co. KG

Zwick began producing testing machines in Ulm-Einsingen, Germany, in 1938, growing over the following decades into one of the world’s leading manufacturers of materials testing machines.  In 1992 the company merged with the Roell Group. 



GTM is a leading manufacturer of load cells, torque transducers and multi-component transducers. The company also supplies complete measuring systems to state institutes, calibration laboratories and manufacturers of load cells and torque transducers.



Zwick Roell AG has held a 100% stake in Messphysik Materials Testing GmbH since 2006.  This innovative Austrian-based company has a long track-record of international success in optical strain measurement for materials testing.

Indentec Hardness Testing Machines Limited 


Indentec is part of Zwick Roell AG, which has a majority shareholding in the company. Established in 1976 to re-design a Rockwell hardness testing machine, Indentec has sold many thousands of machines.



Mid-2011 saw the takeover by the Zwick Roell Group, one of the world's leading suppliers of materials and component testing systems, of ASMEC GmbH in Radeberg nr Dresden, Germany.

Toni Technik Baustoffprüfsysteme GmbH 

Toni Technik

The Zwick Roell AG has a holding in Toni Technik. Founded in 1876, "Toni" operates in partnership with the building materials industry throughout the world.


Acmel Labo

ACMEL Labo has been a member of the Zwick/Roell Group since 2002 and has developed a range of devices for testing cement and mortar.


Zwick France
Tel.  +33 387 502 113


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