Geophysical Service was created in 1930.
ION Geophysical was created in 1968.
Western Geophysical was created in 1933.
Canadian Geophysical Union was created in 1974.
Geophysical Research Letters was created in 1974.
Journal of Geophysical Research was created in 1896.
German Geophysical Society was created in 1922.
Geophysical Journal International was created in 1922.
American Geophysical Union was created in 1919.
Geophysical Tomography Group was created in 1985.
TGS-NOPEC Geophysical Company was created in 1996.
Philippine atmospheric geophysical and astronomical service administration
The company was founded in 1930 as the "Geophysical Service" by J. Clarence "Doc" Karcher and Eugene McDermott.