AITAC – the first platinum sponsor of RITEH Waterbike Team in the season 2014./2015.! Posted on 7. March 2015. by Ljudevit Divald Proudly, we present AITAC – our first platinum sponsor in the season 2014./2015.! It is a great honor to have the support of a company with such a good reputation! Great thank for the exstension of mutual cooperation!