RT Journal Article SR Electronic A1 Horák, Jakub A1 Šuleř, Petr A1 Vrbka, Jaromír T1 Analysis of Transportation Companies in the Czech Republic by the Kohonen Networks - Identification of Industry Leaders JF Communications - Scientific Letters of the University of Zilina YR 2021 VO 23 IS 1 SP A32 OP A43 DO 10.26552/com.C.2021.1.A32-A43 UL https://komunikacie.uniza.sk/artkey/csl-202101-0008.php AB Computational models of artificial neural networks are currently used in different areas. Accuracy of results exceeds the performance of traditional statistical techniques. Artificial neural networks as the Kohonen map may be used e.g. to identify industry leaders, thus replacing the traditional cluster analysis and other methods. The aim of this contribution is to analyse the transportation industry in the Czech Republic by the Kohonen networks and identify industry leaders. The data file contains results - division of companies into a total of 100 clusters. Each cluster is subjected to analysis of absolute indicators and several parameters, average, as well as absolute, are examined. In total, 88 firms may be considered as industry leaders. Consequently, a fairly small group of companies has a strong influence on development of the whole transportation industry in the Czech Republic.