Founded in 1946, Louisville Ladder is one of the largest manufacturers of ladders in the United States. The company is the culmination of several ladder manufacturers, including Louisville, Davidson and Cuprum. The company provides a variety of ladders, including articulating ladders made of aluminum, fiberglass and wood; attic ladders made of aluminum and wood; extension ladders made of aluminum, fiberglass and wood; extension ladders made of wood; platforms ladders and step stools made of aluminum, fiberglass and wood; stepladders made of aluminum, fiberglass and wood; scaffolds and work platforms; planks, decks and accessories; and replacement parts. With a plant in Mexico, Louisville Ladder also has warehouses in the United States located in Atlanta, Chicago, Dallas, Houston, Los Angeles, Philadelphia, San Francisco and Kansas City, Kan. Its Canadian warehouses are located in Langley, British Columbia; Mississauga, Ontario; and Ville St. Laurent; Quebec.