The population of TGS-NOPEC Geophysical Company is 630.
ION Geophysical's population is 1,195.
TGS-NOPEC Geophysical Company was created in 1996.
The symbol for Dawson Geophysical Company in NASDAQ is: DWSN.
Dawson Geophysical Company (DWSN) had its IPO in 1981.
As of July 2014, the market cap for Dawson Geophysical Company (DWSN) is $212,887,118.40.
Geophysical Service was created in 1930.
ION Geophysical was created in 1968.
Western Geophysical was created in 1933.
Western Geophysical ended in 2000.
The company was founded in 1930 as the "Geophysical Service" by J. Clarence "Doc" Karcher and Eugene McDermott.
The company was founded in 1930 as the "Geophysical Service" by J. Clarence "Doc" Karcher and Eugene McDermott.
Canadian Geophysical Union was created in 1974.