7-Eleven is an international chain of convenience stores, headquartered in Irving, Texas, that operates, franchises, and licenses some 70,000 stores in 17 countries. The chain was founded in 1927 as an ice house storefront in Dallas. It was named Tote'm Stores between 1928 and 1946. After 70% of the company was acquired by Japanese affiliate Ito-Yokado in 1991, it was reorganized as a wholly owned subsidiary of Seven-Eleven Japan Co., Ltd in 2005, and is now held by Chiyoda, Tokyo-based Seven & I Holdings Co., Ltd.