After dealing with several different traumas in the past few weeks, Marsh, the main blood supplier for Ballad Health System, which operates Greeneville Community Hospital is in need of blood.The largest local supplier of blood and blood products for patients in the Appalachian Highlands, Marsh Regional supplies 21 regional medical facilities, all cancer centers and five air rescue bases in Tennessee, Virginia and Kentucky, and is the sole provider of blood for all Ballad Health hospitals.