Discount grocer Aldi to open 30 Houston stores Houston Chronicle Copyright 2012 Houston Chronicle. All rights reserved. This material may not be published, broadcast, rewritten or redistributed. Updated 11:21 p.m., Wednesday, May 16, 2012 The chain, with its U.S. headquarters in Batavia, Ill., has an unusual business model. The chain has 37 stores in Texas, most in the Dallas-Fort Worth area, and two more will open next month, both in the Dallas area. Since arriving in the U.S.