Berkshire Hathaway HomeServices Basic Logo, DBA and y ard Sign Guidelines 23 Horizontal stack with Quality Seal. A DDI t IONAL C OLO r O P t IONS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Allison & Doyle, REALTORS Black and white color options are for marketing/advertising materials only and are not to be used for yard signs.