The study examines the impact of six internal factors on the organizational commitment of the employees at the Bank for Investment and Development of Vietnam (BIDV). The reliability analysis and exploratory factor analysis were adopted to analyze the collected data from 292 surveyed samples. The results show that six elements including current job, working condition, leadership, colleagues, payments and salaries, promotion and development positively relate to employees’ organizational commitment at BIDV. Based on this finding, the most important implication is the need of establishing a holistic working environment.