A developing organization can be seen from the loyalty and commitment of the organization where employees at work. All aspects are included in positive and voluntary behavior to support organizations known as organizational citizenship behavior (OCB). The purpose of this study is to find out empirically whether organizational loyalty and commitment affect OCB on employees. This research involved 100 employees. Multiple regression was used to the hypothesis in this research. The results showed that loyalty affects OCB, organizational commitment affects OCB, loyalty and commitment affect OCB are together.