This study investigated whether known international business theories available in the literature are meaningful enough to explain the role of international companies in Nigeria. The research examines factors that are likely to influence Nigeria's cultural and ethical values, or contributes to Nigeria's socio-economic development and prosperity. Questionnaires were distributed in four major cities of Nigeria to 600 international companies' customers in four separate shopping malls; all the questionnaires were collected back. This represents a total response rate of 100 percent, which is adequate for this study. The study found that critical factors such as socio-economic development and cultural issues impede the contributions of international companies in Nigeria. The study found that in...