Established in 1964, Gateway Supply Company is one of the largest privately owned supply houses in South Carolina. It offers heating, ventilation and air conditioning and plumbing products and accessories for residential and commercial construction needs. The company provides a variety of stone countertops, sinks, faucets, toilets and showers. It provides a range of bathtubs that include whirlpools and soaking tubs of the St. Thomas Creations, Alsons, Aqua Glass, Delta, GROHE and KOHLER brands. The company also offers cost estimation, as well as delivery services. With offices in Greenville, Hartsville, Myrtle Beach, Rock Hill and Spartanburg, S.C., Gateway Supply Company maintains a presence in Columbia, S.C.