EN
The article presents few outputs of research conducted among 7 owners/managers of wholesale dealers of building materials from Małopolska and Podkarpacie voivodships. Method used in the research was in-depth interview. One of the aims of this research was to get to know the range of dealers activity, which construct customer loyalty. The research proved that managers use wide range of financial and social forms of stimulating customer behaviour. Among the factors, which most satisfy the customer are: advantageous price and customer service. The loyalty depends on customer satisfaction, and that is a result of providing his needs. These activities give chance the companies to reach competitive advantage in building materials distribution channels.