Registration_Number,Registration_Date,Termination_Date,Name,Business_Name,Address_1,Address_2,City,State,Zip 972,1956-08-24,1956-08-24,"Brown, Darwin Charles",,"1632 K Street, N.W.",,Washington,DC, 1758,1964-06-15,1965-07-26,"Carl Levin Associates, Inc.",,"1632 K Street, N.W.",,Washington,DC,20006 2020,1967-04-11,1967-04-13,"Carl Levin Associates, Inc.",,"1632 K Street, N.W.",,Washington,DC, 2070,1968-01-22,1968-07-22,Burson-Marsteller Associates,,"1632 K Street, N.W.",Suite 501,Washington,DC,20006 2096,1968-07-30,1971-03-08,Burson-Marsteller Associates,,"1632 K Street, N.W.",,Washington,DC,20006