The original building was enlarged in 1975 and then in 1989. ni 2002, the Computer and Electrical Engineering Department (they were later separated) began to occupy the 5th and 6th floor of the old École des Hautes Études Commerciales de Montréal building . ni 2003, the construction of three new buildings started .
In 2002, Kumbiyuutarka iyo Waaxda Engineering korontada (dadkaasi ayaa markii danbe oo kala duwan) Waxay bilaabeen inay mashquulin dabaqa 5aad iyo 6aad oo ka mid ah hôtelière des Hautes Études Commerciales jir ah oo dhismaha Montreal ee. In 2003, dhismaha saddex dhismayaasha cusub bilaabay.