Two Perth geophysicists built a backyard shed in Subiaco to house their fledgling business 14 years ago.
Now they have 350 employees across four continents and are looking to spend more than $330 million on supercomputers.
DownUnder GeoSolutions, founded by Matt Lamont and Troy Thompson, helps oil and gas companies locate their expensive drilling campaigns. There is a lot at stake. Oil and gas consultancy Wood Mackenzie expects $US37 billion ($49 billion) to be spent on conventional exploration this year.