Background: Ethics as a regulator of human relations always has a significant importance. In order to achieve ethical behavior criteria, and dominant of ethical principles in employees’ behaviors, effective factors on employees ethical behaviors specifically managers in organizations, should be identified. In this research, impact of demographic variables and presence of code of ethics in organization on ethical perceptions and attitudes of industrial development and renovation organization of Iran and its affiliated companies were examined.
Methods: In this research a sample in number of 90 was randomly chosen. Research method was descriptive in type of correlation method. In order to collecting data, a questionnaire consists of 58 questions in 4 parts was used. For analyzing research data in descriptive and deductive level, SPSS and SmartPLS  software were operated .
Results: Research findings identified that: 1- Age of managers has significant impact on ethicalness of employees behaviors 2-Gender of Managers has significant impact on possibility of acting unethically 3- Gender and education level of managers has significant impact on evaluation of factors leading to unethical behaviors
Conclusion: Older managers believed in higher ethical standards and also women distinguished higher possibility for incidence of unethical behaviors among employees and women believed more in factors cause employees’ unethical behaviors and the more education level increased, the more faith existed. In addition the symbolic role of code of ethics and sometimes unawareness of employees about code of ethics were revealed.