Farris Wilks

Daniel Howard Wilks and Farris Cullen Wilks, are American petroleum industry businessmen. Sons of a bricklayer, the brothers established Wilks Masonry in 1995. They went on to found an early hydraulic fracking company, Frac Tech, in 2002, and eventually became billionaires. In 2011, they sold their 70% interest in Frac Tech for $3.5 billion. They reside in Cisco, Texas.