The present investigation was carried out with the multiple objective of analyzing the psychometric properties of the Organizational Justice Scale (EJOC) and establishing its percentile norms for workers in the city of Piura. 268 workers from different companies in the city of Piura participated through a non-probabilistic convenience sampling. Among the results, it was reported that the 20 items that make up the scale have an adequate relationship with the main variable obtained by the descriptive statistical analysis. In addition, the internal structure of the instrument was analyzed through the four dimensions initially proposed, obtaining adequate fit and error indices: Chi= 217.571, df= 164, Chi/df= 0.03, CFI= .979, TLI= ,975, RMSEA= .035 and SRMR= .046. Likewise, a high reliability index through the Alpha Coefficient of Cronbach and McDonald whose values ranged between .776 and .959. Finally, the percentile norms were determined through three levels (low, medium and high) by dimensions and for the total scale. In this sense, it is concluded that the Colquitt EJOC is valid and reliable for workers from Piura.