The purpose of the study was to identify the perception of mobbing in workers of a Mexican manufacturing company. The design was descriptive, cross-sectional and correlational. The sample was non-probabilistic with real participation of 187 employees who individually answered the Questionnaire of Strategies of Harassment in the Workplace of Leymann (1989) modified by Gonzáles de Rivera and Rodríguez-Abuín (2003). The results show that the overall perception of mobbing in all participants is 5%, in employees with permanent contract is 3% and in those with temporary contract of 6%, the difference being significant and, finally in workers with an operator's job position is 6% and in managers it is 5% so it is not a significant difference. The perception of mobbing of the workers of the manufacturing company is in frequent ranges in international investigation and low when comparing it with other Mexican studies. Key Words: Mobbing, Workplace Harassment, Workplace Violence, Psychological Harassment, Moral Harassment.