Since We're On The Subject, Baltimore In The Top TEN Rat Infested Cities! BALTIMORE, MD – Charm City is once again among America's "Rattiest Cities," according to a new report from pest control company Orkin, although it has shown progress in each of the past two years. Baltimore comes in at No. 9 on the company's 2018 rankings released Monday. https://archive.fo/XILFC#selection-1661.0-1658.2