Petrus Law Office Llc Address: 219 S Hickory St, Mount Vernon, MO 65712 Phone: (417) 461-9999 Hours: Mon: 9am-5pm Tue: 9am-5pm Wed: 9am-5pm Thu: 9am-5pm Fri: 9am-5pm Lawyers, Criminal Justice Other Businesses: Emma's Place at 701 E Mt Vernon Blvd, Mount Vernon, MO 65712