Raleigh, N.C.-based Carolina Plumbing Supplyrecently joined the WIT & Co. buying group. Established in May 1997 by William Pitchford (current president), Carolina has nine branches with a total of 52 full- and part-time employees located in Raleigh (two locations), Rocky Mount, Roanoke Rapids, Durham, Greenville and Hickory, N.C., as well as Little River, S.C., and Danville, Va.