Anton Raky founded the company: “Unternehmung für Tiefbohrungen”, the origin of the core activities of Salzgitter Maschinenbau AG.

The Salzgitter - Group, which later on belonged to Preussag, took over this company.

Salzgitter Maschinen & Anlagenbau started to develop and manufacture highly Mobile Antenna Masts.

Salzgitter Maschinenbau became a private company.

Salzgitter Maschinenbau GmbH took over the antenna mast business from  the company Dornier.

Salzgitter Maschinenbau GmbH became a joint stock company.

Salzgitter Maschinenbau AG reorganized its structure of business and the company SMAG Mobile Antenna Masts GmbH was born.