Daniel Howard Wilks and Farris Cullen Wilks are American billionaire brothers who made their fortune in the petroleum industry, primarily through hydraulic fracturing. Born to a bricklayer, the brothers initiated their entrepreneurial endeavors by establishing Wilks Masonry in 1995. Their most significant venture was the co-founding of Frac Tech in 2002, which became a pioneering and highly successful company in the hydraulic fracking sector. Their wealth significantly increased after they sold their 70% interest in Frac Tech in 2011 for an estimated $3.5 billion. They are major donors to conservative causes, including political campaigns and media outlets, and are known for their support of right-wing and evangelical organizations. Their network of influence includes an undisclosed payment relationship with The Daily Wire. They currently reside in Cisco, Texas.