Luftbild Gebr. Kemper GmbH + Co. KG

Company history


City councillor Johann-Anton Kemper owner of the "Hotel zur Post", announced that he would open a company for the production of hinges together with his younger brother Eduard and by doing so creating new jobs.


In 1899 Gebr. Kemper bought the premises of Rüblinghauser Hütte. The company planned to set up a copper rolling mill for the production of bars, sheets and wires out of brass and phosphorous bronze.


In Rüblinghausen:      Brass and phosphor bronze rolling mill and wire drawing plant
In Sassmicke:            Copper hammer mill
In Olpe:                    Metal and phosphor bronze foundry and valve factory


In addition to the rolling mill, a complete copper mill with refining plant was built up in the Rüblinghauser Works.


Enlargement with an additional aluminium foundry


Establishment of continuous casting production for rolled products


Relocation of the company from the centre of Olpe to a new industrial estate in the valley of the Bigge - our today´s site.


Acquisition of the first finishing stand and thus entry into the electrical engineering sector for the Rolled Products Division


125th anniversary of Gebr. Kemper and foundation of the Kemper works choir


Foundation of the sales company KEMPER Armaturen AG (KAG) Schweiz


Foundation of the sales company  KEMPER Trading (Shanghai) Co. Ltd.


Opening KEMPER Technikum
Foundation of the sales company KEMPER UK & Ireland Ltd., GB


Acquisition of software company DENDRIT, Dülmen (subsidiary)


Foundation of the sales company KEMPER AIP LLC, USA


Acquisition of the company Profiltech Stufenbandprofile, Keltern (subsidiary)

Foundation of KEMPER Asia Pacific Trading LLC, Singapore


150th anniversary of Gebr. Kemper and 25th anniversary of the Kemper works choir


Construction of the new valve factory Plant 4, Building Technology


New building (Plant 3) for the expansion of capacities in the Rolled Products Division

KEMPER - A well known partner worldwide

The activities of Kemper and its 700 employees nowadays are based on three business units which have always been decisive for the company´s success.

Gunmetal and stainless steel valves for sanitary engineering have an outstanding reputation in the sector. Cast products, whether as unfinished or finished products, were and today still are the company's backbone. With rolled belts made of copper and copper alloys along with special alloys, KEMPER is treading the path into the high-tech future for the automotive and electrical industry.