John Gorman has been promoted to COO and vice president at CMH Services (Columbia, SC). He joined CMH Services as CFO in October 2006. Mark Brown has been promoted to vice president of sales. Brown joined CMH Services as a branch manager in March 2007, before transferring to the position of sales manager. Dan McCullough has been promoted to branch manager of the Greenville/Spartanburg, SC, facility. He joined CMH Services in May 2008 as the service manager.