Regarding the increasing number of cancelations among the Prolight + Sound 2020 attendants due to the spreading of virus Covid-19, you can find the list of the one that will not be present this year in this news updated in real time.
The list of the Brand you will meet again in 2021 :
Lighting: Artistic Licence, Adam Hall, Ayrton, Cast, Chauvet, ETC & High End, Lightpower, MDG, Nicolaudie, Robe, Robert Juliat, Strand, Vari-Lite, Artistic Licence
Sound: Adam Hall, Adamson, d&b audiotechnik, Coda Audio, L-Acoustics, Nexo, RCF, Yamaha