Followed companies attended at this years ESCONF:

Abit, AC Entertainment, Arvato Systems, Belgian eSports Federation, Brainpool, Connect & More, Dansk eSport Forbund, Digital Dreams, Donau-Universität Krems, Dota League, EA-Magazin, eFever, Electronic Arts, Elektronischer Sportverband Österreich, EMP Merchandising, Entire Entertainment, ESNation A/S, E-Sportbond.nl, E-Sports Promotion Group GmbH, Fnatic, Fragster, Freaks4U, GamesMarkt, Gamevibes BVBA, GIGA TV, Global Games Media, Hoorai GmbH, Ingame, IT-University Copenhagen, Köln 99ers, Kölnmesse GmbH, Korea e-Sports Association, Korea Game Industry Agency, G-Culture & e-Sports Promotion Team, Krawall GmbH, Marchreiter Communications, Ministry of Culture, Sports and Tourism - Cultural Content Industry Office - Game Industry Division, Mousesports, multiBC, mystical Lambda, n!faculty, Ngize, Osborne Clarke, Plantronics, Plazamedia, Readmore, Samsung Electronics, Sellando, SK-Gaming, Solstice Gaming, Sport+Markt, Sportsmengroup, Stadt Köln, Station 54 Community Management GmbH, Sweetwater, Swiss e-Sports Federation, Tom Putzki Consulting, TriplePoint GmbH, TSV Bayer Dormagen 1920 e. V., Turtle Entertainment, Universität Duisburg-Essen, Universität Stuttgart, Universität zu Köln, Watrin & Schmidt Rechtsanwaltsgesellschaft mbH, Webnews GmbH.