WILMINGTON, DEL. — NAI Emory Hill has arranged the sale of an industrial and office building located at 510 Century Blvd. in Wilmington. Mark Landis and Karen Landis of Metro Merchant Services acquired the 8,000-square-foot condominium building for an undisclosed price. Metro Merchant Services plans to move its operations from 132 Clinton St. in Delaware City, Del., to the newly acquired facility. WSFS provided financing for the deal. David Morrison of NAI Emory Hill represented the seller, while Lorraine Sheldon and Becky Harrington of NAI Emory Hill represented the buyer in the transaction.