PT. XYZ Discreet is a subsidiary of a State-Owned Enterprise (BUMN) in the manufacturing sector which was founded in 1983. PT. XYZ Discreet contributes to defense & security needs and various industrial products that help in other fields such as transportation and commercial explosives. Organizational culture is essential in determining the success of achieving company goals. Therefore, every company must know what type of culture they are running and what kind of culture is preferred at PT. XYZ Discreet has yet to assess the current and preferred corporate culture. As is well known, BUMN companies and subsidiaries have a new corporate culture, BUMN AKHLAK. Based on an assessment conducted by ACT Consulting, the value of implementing AKHLAK BUMN at PT. XYZ Discreet is not maximized or gets a C value (37.7). The purpose of this study is to provide recommendations for the preferred corporate culture based on survey results. The research methodology used is quantitative data by distributing questionnaires using the Organizational Culture Assessment Instrument (OCAI) to employees of PT. XYZ Discrete. The survey results show that at PT. XYZ Discreet has a current culture Hierarchy culture, but the survey results also state that employees prefer Clan culture as their corporate culture. In other words, they support the culture with kinship, openness, loyalty, mutual trust, and agreement in every activity. From the results of research that has been done at PT. XYZ Discreet, this cultural transformation can be assisted by a bottom-up approach; leaders should have more understanding of employees, the transformation of leadership style, and forming the agent of change for corporate culture. These things aim to improve internal capabilities at PT. XYZ Discreet.