On August 8, 2013 Mainstream PR-agency organized the awards ceremony of the national Avis ArtCar contest for young designers, implemented by the international car rental company AVIS Ukraine.
On July 6, the Second Ukrainian Competition on Sport Preference Among Journalists, which was held under auspice of the Contest «Prize of Business Circles «PRESSzvanie», took place.
On May 29-30, 2013 Eduard Stelmakh, one of the most famous and successful Ukrainian photographers, owner of «STELMAKH STUDIO COMPANY LTD» photo studio in Thailand held a workshopon the territory of the INTERPIPESTEEL mill.
Mainstream’s team organized a partner participation of world famous fast food restaurants chain KFC in the Red Bull Flugtag 2013 competition in Kiev.
On June 3, 2013, company Mainstream organised and held press-lunch for international company AVIS Ukraine.