Registration_Number,Registration_Number_label,Registration_Date,Termination_Date,Name,Business_Name,Address_1,Address_2,City,State,Zip 3485,"Oppenheimer, Wolff & Donnelly",1983-06-16,1992-10-02,"Oppenheimer, Wolff & Donnelly",,"1020 - 19th Street, N.W.",Suite 400,Washington,DC,20036 3757,"Mason, Perrin & Kanovsky",1985-10-01,1986-11-21,"Mason, Perrin & Kanovsky",,"1020 - 19th Street, N.W.",Suite 200,Washington,DC,20036