Registration_Number,Registration_Date,Termination_Date,Name,Business_Name,Address_1,Address_2,City,State,Zip
1831,1964-12-14,1964-12-14,"Mayer & O'Brien, Inc.",,333 North Michigan Avenue,Room 1500,Chicago,IL,60601
2461,1973-09-12,1974-02-01,"Mayer & O'Brien, Inc.",,333 North Michigan Avenue,,Chicago,IL,60601