In 2015, the ten participating breweries were Boon, De Cam, De Troch, 3 Fonteinen, Hanssens, Lindemans, [[Brasserie_Mort_Subite|Mort Subite]], Oud Beersel, Tilquin, and Timmermans.
==HORAL MegablendMega Blend==
For the seventh occurance of Toer de Geuze, HORAL commissioned a special geuze bottling from eight of the participating members. The result came to known as HORAL Mega Blend, and it has been bottled for each Toer de Geuze since then.