Question: What is the name of this Mexican public company and major retailer in Mexico that competes mainly with H-E-B grocery, along with Walmart Mexico, S-Mart, Chedraui, and Casa Ley?
Sentence (from "S-Mart"): S-Mart is a Mexican grocery store chain in the northern Mexican states of Chihuahua, Nuevo Leon, and Tamaulipas.
Relevant evidence: No