Open Source Software (OSS) is the software of which source code is open to public, and then the users can study and improve them corresponding to the application and market needs. This study conducted the questionnaire survey to IT companies in Japan, investigating how OSS utilization and contribution to the development community affect the business growth of companies. In last years' report, we presented the result of the questionnaire survey conducted in 2012. This year, as the second report, we will present the result of 2013 survey. Comparing the 2012 and 2013 results, we explored some interesting effect and the transition of OSS utilization and contribution on the business growth.