Registration_Number,Registration_Date,Termination_Date,Name,Business_Name,Address_1,Address_2,City,State,Zip 6401,2017-01-20,,Cornerstone Government Affairs,,"800 Maine Avenue, SW",Floor 7,Washington,DC,20024 6408,2017-03-14,,"DiNino Associates, LLC",,"800 Maine Avenue, SW",Floor 7,Washington,DC,20024 6494,2017-12-01,2018-02-01,"Keystone Strategic Advisers, LLC",,"20 F Street, NW ",Floor 7,Washington,DC,20001