These are the companies I worked for, or projects I made for them, from scratch, or that I have assisted in making of:

http://www.sabadosco.com/ - Sabadoš Service Co. - Website and a bulletin board

http://www.sautpro.com/ - SAUT Professional - Several pieces of application software, parts of website

http://www.rtv.rs/ - Public Service, Radio Television of Vojvodina - Integration of Text-To-Speech functionality into the website (with usage statistics), streaming video analytics, website performance optimization, other website-related activities

http://www.worldguitarcompetition.com/ - World Guitar Competition in Novi Sad, 2009 - Installation and setup of video conversion tools (ffmpeg, mencoder, flvtool2, others) on their web server