In 1985, Helga and Dieter LEHNER together with their son Ralf, founded the "Mittelbacher Werkzeugbau Lehner" called "Mittelbach". It is a German family business located in Zweibrücken which today employs 12 employees.

In May 2000, the company CML Constructions Métalliques, headed by Mr. LEHNER Ralf, was created in Volmunster. It now has a workforce of 23 permanent employees.

Only 10 km separate these two companies who work closely together. 

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Indeed, the two companies carry out complementary activities.