Did You Know? Learn More about Geotech Read up on some interesting facts about us below. Fact Geotech is a proud member of the International Airborne Geophysical Safety Association (IAGSA) Fact Geotech was incorporated in 1981 – we’ve been in business for over 30 years! Fact That Geotech has an entire department dedicated to interpretation of client data. Fact Geotech is the largest privately owned Airborne Geophysics Company in the world. Fact Geotech built the Through Ice Bathymetry System (TIBS) in the late 1980’s to aid with the sovereignty issues of the Canadian coastline.