This study evaluates industrial diversification trends of four county communities in northeastern Ohio after more than ten years of attempts to stimulate the regional economy following steel mill closings of the mid-1970s. With the application of a multiple-model replicants technique, employment in 39 compatible sectors of the region's 2-digit industrial sectors were analyzed. The study shows that while a few sectors grew above the state and national averages, a majority experienced modest to declining growth rates. In particular, the analysis shows that the general regional growth trends are predominantly skewed towards low-technology service-producing industries with little or no value-added activities—consistent with the lack of a diversified economic base. The region needs to attract a blend of high value-added manufacturing and service-producing industries if it is to withstand future structural/cyclical shocks from the national economy as well as remain competitive in the global economy.