Innovative thinkers ///

If there’s one person who knows the oilfield business inside and out, it’s Marvin Gearhart, co-founder of Gearhart-Owen Industries (1955) and founder of Rock Bit International (1989) and Gearhart Companies (2005). From his days making $250 a month as a field engineer to selling a company he started in a garage for $500 million, Gearhart has been reinventing the oil field for over six decades.

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