Posted in Business & Finance, Schools & Education YESI stands for Yazaki Energy Systems, Inc. (Plano, TX) YESI stands for Yelapa English Spanish Institute (Yelapa, Jalisco, Mexico) YESI Share Pinterest Tweet Whatsapp Post navigation YESIPyeshu Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website Save my name, email, and website in this browser for the next time I comment.