The paper presents results of a firm-level survey carried out between 2016 and 2017 among Polish companies who made foreign direct investment in the United States. The purpose of this paper is to identify FDI development determinants among Polish enterprises in the US market as well as to find out about the discrepancies in their perception between representatives of different business sectors i.e. enterprises from traditional and new technologies industries. The results of the study indicate that regardless of the sector, Polish enterprises seek the determinants of development of their subsidiaries in the USA primarily in the internal factors, i.e. unique and sustainable ownership-specific advantages. The ownership advantages – together with external location factors such as the demand, the ease of doing business and the business environment – affect most the development of Polish direct investment companies in the USA. There were significant differences between the assessment made by traditional and new technologies enterprises in relation to resource factors, efficiency factors and the competition in the USA.