About Geophysical service incorporated

About company

Geophysical Service Incorporated is a Calgary based company which provides exclusive and non-exclusive 2D and 3D marine seismic data, gravity and magnetic data off the coasts of Nova Scotia, Newfoundland and Labrador, as well as the Arctic Islands, Beaufort Sea, and offshore southern Atlantic. The company’s fascinating history dates back to its founding in 1930 by John Karcher and Eugene McDermott. The original GSI would later spin off a company known at Texas Instruments in 1950. GSI was bought by Halliburton in 1988.