Preferred Vendors To ensure your day meets your standards and The Greystone Estate’s, we require caterers and DJs to be selected from our preferred vendor list. We are more than happy to work with outside vendors for other services! CaterersAll caterers offer full buffet that includes appetizer, salad, two entrees, two sides, bread, white china, table setting, tea/water, labor, and cake cutting. Plated and specialized menus are available. Sample Menu Sample Menu Sample Menu Sample Menu DJsIncludes ceremony, cocktail, reception, and uplighting equipment.