E-Z Mart remains a family-owned company, with a chain of quick-stop markets. The motto of the Texarkana-based company is Making Life EZR 4 U, with the convenience stores often featuring on-site gasoline stations as well. E-Z Mart locations offer either Citgo, Conoco, Phillips or Shell brands of gas. Today, E-Z Mart has 300 locations throughout the United States. Its first-ever store, opened by founder Jim Yates, is still in operation in Nashville, Ark. It is one of the largest privately-owned chain of convenience stores in the nation. E-Z Mart stores are located in Texas, Oklahoma, Arkansas, Louisiana and Missouri. The stores have undergone extensive remodels in many of their markets With more than 300 convenience stores, the motto of the Texarkana-based company is Making Life EZR 4 U, with more than 300 convenience stores often featuring on-site gasoline stations as well. E-Z Mart locations offer either Citgo, Conoco, Phillips or Shell brands of gas. Today, E-Z Mart has 300 locations throughout the United States, and its first-ever store in Nashville, Ark., is still in operation.