In the technology-based organizations that are active in oil industry, the enjoyment of the employees of the specialized knowledge and skills plays a determinative role in their vocational performance. Inter alia the various prerequisites for such specialized skills in the employees, the present study has dealt with the evaluation of the knowledge management effect. The current study paper is an applied research in terms of its objectives and it has been carried out based on descriptive-survey method. The study population included the operational workers of Naft-e-Shomal Excavation Company that reached to a total of 2000 individuals out of whom 322 individuals were selected as the study sample volume based on convenience method. The data collection tool was a standard questionnaire the reliability of which was evaluated based on Cronbach’s alpha method and a value equal to 0.86 was obtained. The data analyses have been undertaken assisted by path analysis and t-test statistical examinations through taking advantage of LISREL software and SPSS software. The results indicated that all four practices of knowledge management (knowledge creation, knowledge storage, knowledge application and knowledge sharing) exert positive and significant effects on the employees’ development of specialized skills. Also, it was figured out that the company is in a good status in terms of both of the abovementioned factors.