LL Flooring is a specialty retailer of hard-surface flooring in the United States with 442 stores nationwide. LL Flooring’s extensive selection includes waterproof hybrid resilient, waterproof vinyl plank, solid and engineered hardwood, laminate, bamboo, porcelain tile, and cork, with a wide range of flooring enhancements and accessories to complement. Lumber Liquidators was founded in 1993 by Tom Sullivan.