Over 80 years experience in mining
| 1925 | Take over of the railstation quarry in Fürstenstein as subsidiary of Thiele Natursteinwerke, Ottenhöfen / Kandern, Baden Württemberg |
| 1937 | Karl-August Thiele takes over the ownership of the quarry. Registration as Bayer. Wald
Granitwerke K.A. Thiele Co. KG into the commercial register in Passau |
| 1952 | Take over of the quarry in Hötzelsberg - Increase of worked stone production capacity to 180 people. |
| 1962 | First imports of worked stone and paving stones from Portugal |
| 1964 | Foundation of the company and quarry Schönberger Schotterwerke G. Thiele KG |
| 1966 | Extension of the product portfolio with natural stone materials imported from India, Italy, Greece, Romania and Spain. |
| 1967 | Foundation of BAYMEX GmbH - Trading Company |
| 1975 | After 50 years end of quarry production in Fürstenstein. Today the former quarry is an extraordinary example for the recultivation and renaturation of quarries or gravel plants and offers refuge to rare animals and plants. |
| 1975 | Start of production of a new, modern and powerful crushing production line in Hötzelsberg - Formation of Hötzelsberger Hartsteinwerk M. Thiele GmbH & Co. |
| 1979 | Hötzelsberger Hartsteinwerk M. Thiele GmbH & Co. takes up a 50% Joint-Venture in Donauasphalt Misch GmbH |
| 1980 | The worldwide first hydraulic stone splitting machine takes up the production in our quarry. This prototype hydraulic stone splitting machine was designed and produced by Dipl. Ing. Gerhard Thiele and changed the way of working of a whole industry. |
| 1987 | Expansion within Europe: Foundation of PORTUGIMEX Lda., Portugal,
as natural stone production and trading company. |
| 1989 | Foundation of the subsidiary MAGRANEX S.A., Morocco, as natural stone production and trading company. |
| 1991 | Joint Venture with Hamerock S.A., Romania - Biggest quarry operator in Romania with an engineering division for stone extraction and refining machinery and equipment. |
| 1992 | Bayer. Wald Granitwerke K.A. Thiele becomes GmbH & Co. KG |
| 1995 | First perlite imports from Morocco |
| 1999 | Bayer. Wald Granitwerke takes over the majority of Hamerock S.A. in joint venture with the Wilhelm Geiger Group, Oberstdorf |
| 2000 | Joint-Venture with Lafarge Group in Hamerock S.A |
| 2001 | ROGRANEX SRL, Romania is foundet with a majority stake of Thiele-Group. Rogranex is an engineering and production company focusing on extraction and refining equipment for quarries and gravel plants. |
| 2004 | Company foundation of Thiele-Perlite Sarl, Nador, Morocco. Thiele Perlite extracts raw perlite from its own deposit for the national Moroccain market and for exports. |
| 2005 | Joint-Venture in Arganex Sarl, Agadir, Morocco a company for argan-oil production and sales. The European Sales and Distribution are organised through www.thiele-lifestyle.de/ |
| 2005 | Joint-Venture foundation of Medstone Sarl, Al Hoceima, Morocco - Dolomite quarry for the national Moroccain market and for exports. |
| 2005 | Joint-Venture in Fluobar Sarl, Casablanca, Morocco - mining operations for fluorspar and baryte. |
The recultivated quarry in Fürstenstein