Desjardins Bank Desjardins Group is thoroughly intertwined with that of modern Quebec. For over 100 years now, the development of the Desjardins network and the diversification of its activities paralleled the social and economic boom of the province. Desjardins, one of the biggest financial groups in Canada today, has always been true to the philosophy of its founder: to contribute to the well-being of individuals and communities. Desjardins Bank Service Telephone Montreal area: 514-CAISSES (514-224-7737) Canada and the U.S.: 1-800-CAISSES…