The five traditional pillars of the Arizona economy are:
Anyone growing up in Arizona from the 1950s through the 1970s knows about the five C's. The Arizona "C's" were taught to Arizona school children as the basis of Arizona's economy. These elements are no longer the basis of Arizona's economy. According to Arizona Capitol Times, real estate, casinos, aerospace defense and/or electronics manufacturing would make for good additions to the five Cs.
The 5 C's: Arizona's 5 C's are: Copper, Cattle, Cotton, Citrus and Climate, Arizona State Library, Archives, and Public Records
"State economy has new pillars" Arizona Daily Star. November 1, 2007. Page D1.
"Casinos muscle in on traditional “Five C’s” behind Arizona economy" Arizona Capitol Times. December 20, 2011