Beacon Partners has a customer for a building in its planned RiverOaks Corporate Center park in Concord, prompting the Charlotte developer to start site work there. We don't know the identity of the tenant. But we do know it's a JLL customer that plans to lease 74,000 square feet in the first building. John Cashion, managing director of the JLL industrial services team in Charlotte, and Matt Greer have signed the client for about half of the planned 144,000-square-foot building in RiverOaks...