Walmart is the largest grocery retailer in the U.S. generating over $400 billion, and 62 percent in U.S. according to the encylopedia.   Other recent reports these facility are  being set up for fema camps.

RFID chips

According to circulating news these facilities have long used micro chips to identify and track customers.   Wal-Mart spells  Mart-Law/Martial Law. This identifies with the martial laws which are being established and along with an alleged full undergound system underneath the facilities which plans to launch under the dictatorship.