Many have become leading industrialists, and, helping each other out, have become one of the most powerful groups in Japanese commerce, called the "Keio Clique."
有些人從基層做起，由於紮實的學識基礎，後來成為大企業的領導人，再相互的拉拔下，形成日本企業界裡的最有實力的一群人，被稱為「慶應閥」。