Which architecture studios are working on Neom?

Details of the controversial Neom project in Saudi Arabia have become clearer over the past year, with 24 architecture studios believed to be working on the multi-region mega-development. This is what they are saying about it.
Once shrouded in mystery, a flurry of announcements from Neom – along with several exhibitions and a documentary – have shed light on some of the project details, including its designers.
Currently, 24 architecture studios, including Morphosis, BIG, Zaha Hadid