Why isn't Winco in Arizona?

WinCo has 5 stores in Arizona with more on the way! WinCo Foods #125 - 1363 N. Arizona Ave, Gilbert, AZ 85233
WinCo Foods #114 - 1967 E. Pecos Rd, Gilbert, AZ 85295
WinCo Foods #109 - 5850 W. Bell Road, Glendale, AZ 85308
WinCo Foods #110 - 1235 S. Power Rd, Mesa, AZ 85206
WinCo Foods #108 - 330 W. Bell Road, Phoenix, AZ 85023Chandler and Surprise are planned to open in 2015 as long as there are no delays.