A-1 Concrete, 175 Wylie Dr, Cumberland Gap, TN 37724, US

Concrete Materials, founded in 1947 by R. Ed Storms and Herbert Walters, offers ready-mix concrete and supplies. It sells finishing trowels, extension handles, magnesium hand floats, concrete spreaders, hand groovers and concrete wall blocks. Its Web site features concrete column and volume, and block wall calculators. Its completed projects include Industrial Park Bridge Deck, Crockett Square, Merchant's Greene Bridge and Morristown-Hamblen Hospital. Its projects include parking lots, skateboard arenas and water storage tanks. Concrete Materials also operates a fleet of computer-controlled concrete trucks. It is a member of the National Ready Mixed Concrete Association, Tennessee Ready Mixed Concrete Association and American Concrete Institute. Concrete Materials is based in Morristown, Tenn.