String query = "select new IndustryLabelDTO(label.name, label.number, (select new IndustryDTO(industry.name, industry.urlName) from Industry industry where industry.label = label)) FROM IndustryLabel label ORDER BY label.number ASC, label.name ASC";

public class IndustryLabelDTO {

   public String name;
   public int number;
   public List<IndustryDTO> industries = new ArrayList<IndustryDTO>();

}

public class IndustryDTO {

   public String name;
    public String urlName;

}