The current academic literature is inadequate on the possibility of applying a typological model of effective cultural integration within the context of public-private partnerships, particularly when governments collaborate with multinational corporations. Using Schein's organizational cultural framework as the foundation, the purpose of this case study of a partnership between a West African government and a multinational petroleum corporation is to understand clearly how synergistic cultural integration coupled with statutory requirements could catalyze public-private partnership success. Data for this study came from interviews with American or Nigerian individuals who were familiar with the partnership in the West African country, a review of documents related to the partnership, and observational notes compiled during interviews. The Organizational Cultural Assessment Instrument inspired the interview questions. Data was coded and analyzed using a modification of Strauss and Corbin's 3-tiered analytic procedure. Key findings revealed the need for culturally based positive change dynamics to maximize evolving partnership growth and success. There were also indicators that an effective cultural integration synergistic typology would propel evolving competitive service delivery, efficient policy implementation, workforce motivation, economic and financial profitability, efficient communication channels and technological innovativeness, managerial and administrative expertise. The knowledge of organizational cultural integration dynamics is useful to academicians, public administrators, policy makers, and executives in structuring public and private partnerships in a culturally sensitive way for long-term organizational growth and success.