McKinney Drilling Company, founded in 1937, is one of the leading drilled shaft foundation company in North America. The company is equipped with more than 100 drill rigs and maintains one of the largest fleet of foundation drilling equipment in the world. Its products include drilled shafts, auger cast and driven piles. It maintains multiple locations throughout the United States. McKinney Drilling Company is a part of Kellar, which provides a range of ground engineering services and maintains locations throughout Europe, North America and Australia. Kellar undertakes various projects for infrastructure, building, civil engineering and structural renovation. McKinney Drilling Company has undertaken various projects for Red River Ordinance Depot and Trans Alaska Pipeline.