This article discusses internalization in business, its benefits, and challenges faced by Chevron Nigeria. Internalization is a process that allows a business to operate internally in the context of a specific field. Chevron Nigeria is the largest producer in Nigeria and has an interest in deep-water operations. The company faced a loss of $497 million in 2017 due to the inability to replace crude and natural gas. Internalization helps businesses save costs and maintain control over their operations. However, it also creates challenges such as lack of skilled workers, cost of training and development, cost of purchasing machinery and tools, impact on quality and customer satisfaction, and the need for strong regulatory and management knowledge. The article concludes that internalization is important for businesses to save costs and reduce control of third parties, but it also requires significant investment and effort to overcome the challenges.