Sales and Service of Geophysical Instruments

The History of GISCO

GISCO was started by Al Danish in April 1952 in Denver, Colorado. During the uranium boom he marketed radiation detection instruments and field supplies to geologists and general prospectors.

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Service and Parts

GISCO offers service and replacement parts for a wide variety of instruments. We can also supply connectors, chart paper, batteries, and many other parts you may need for obsolete, discontinued, and orphaned instruments.

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