This paper elaborates the theme of internal marketing promotion taking the example of Ina d.d. company. Promotion can influence the attitude of the employees towards the product of the company and, therefore, create positive consciousness of the brand of the organization. Promotion avoids uncertainty, lack of motivation among the employees and it has become one of the main factors of the comparative value of a company. The objective of this paper is to state what instruments of internal communication/promotion are used by the Ina d.d. enterprise, analyze the factors influencing the satisfaction of the employees with their work and internal communication. The theoretical part of the work elaborates the main terms of internal marketing concept, marketing mix concept and their application by Ina d.d. company. The second part of the paper, through an empiric research, the factors influencing the satisfaction of the employees with their work and internal communication have been analyzed. Organizations that communicate with their employees with success and efficiency and develop quality relationships with them, have more satisfied, better involved and productive employees, have better reputation and more loyal customers and get better financial results.