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Almost all of the population of our country is at risk of earthquakes and it is of great importance that the structures are constructed to be earthquake resistant. Iron and concrete designs are the main determinant parameters of earthquake resistance of buildings. Although the ready-mixed concrete system has become widespread in our country and improvements in concrete quality have been achieved, the fact that we encounter more damage in similar earthquakes compared to developed countries shows that we have not achieved the desired quality yet. For this purpose, in order to prevent abuse of ready-mixed concrete inspections of buildings constructed by The Ministry of Environment and Urbanization (MEU) within the scope of building inspection, a system for monitoring concrete samples electronically (EBIS) was put into use for the first time in the world. In this study, in 2019, all the results which were tested in Isparta province were sampled and evaluated. The samples used consist of 12650 ready-mixed concrete samples in C25/30, C30/37, C35/45 concrete classes, all of which were taken with Radio Frequency Identification (RFID) tags. Although the results obtained show that there is no problem in the compressive strength results of ready-mixed concrete used in controlled buildings in Isparta, points to be considered in concrete quality have been encountered and these issues have been emphasized. [ABSTRACT FROM AUTHOR]