Universities financing is one of the important challenges of higher education systems. Dual financing encourages university administrators to simultaneously maintain and promote statements declaring universities academic level along with increasing wealth creation. This is accomplished by investigating financing methods by world top universities (who has succeeded in these contexts), and decreasing trend of independence to governments or intended use of it along with wealth creation from other financing resources. This study aims to recognize financing models and their integration in top universities. Having investigated the case studies, a classification and financing systems reckon is obtained and applied lessons are extracted to be used by academic authorities.