| 1951 |
Foundation of "Geophysikalischer Dienst" in Leipzig |

VEB Geophysik

VEB Kombinat Geophysik

Geophysik GmbH
Geophysik Seismik GmbH

Geophysik GGD

Geophysik IGS
|
| 1953 |
Change into "Volkseigener Betrieb (VEB) Geophysik" |
| 1963 |
Engineering Geophysics for shallow applications and
environmental tasks |
| 1964 |
Aeromagnetic survey of northern GDR |
| 1967 |
Vertical seismic profiling (VSP) in oil and gas wells |
| 1968 |
First use of shear waves for shallow seismic
exploration |
| 1970 |
Entire computerization of seismic field measurements
and data processing |
| 1973 |
High resolution shallow seismic for lignite exploration |
| 1981 |
Introduction of a vibrator as a seismic source |
| 1981 |
Aerogeophysic survey of southern GDR |
| 1990 |
Transformation to "Geophysik GmbH" |
| 1991 |
Geophysics and analytics for environmental protection |
| 1992 |
Privatization and foundation of "Geophysik GGD mbH" |
| 2001 |
Foundation of "International Geophysical Services GmbH"
(IGS) |