Achieving a competitive advantage position relative to its business rival is what organization in particular should be aiming for. Despite the importance of attaining competitive advantage in organizations, there has been limited study on the relationship between organizational capabilities and the way firms are organized to achieve competitive advantage. This study examines basic capability factors that may influence achievement of competitive advantage in the Jordanian Pharmaceutical Industry. Drawing on relevant literature, the author empirically tested the relationship between study variables on a sample of 410 employees from 18 Jordanian pharmaceutical companies and their branches. The study findings indicate that customer relationship, innovativeness, and product development have a positive influence on the achievement of competitive advantage, while supplier relationships has no effect on the achievement of competitive advantage. The findings of this research have important implications for business practitioners companies of industrial products. Limitations of the study are considered, and future research directions are identified.