Blockberry Ent: Younghyun, Hwan, Baek Jonghak
Fave Ent: Song Byunghee
C9 Ent: Kim Inseong, Yoon Hyunseok
Starship Ent: Kang Minhee, Park Joonseo
Major Nine Ent: Han Seungmin
Pledis Ent: Heo Seungmin
DSP Ent: Jung Joon Ha, Ham Seungjin
Chrome Ent: Choi Taewoong, Jung Seunghyun, Choi Wonho
J.Flow Ent: Hyun Han Gyeol
MLD Ent: Kim Dongbin
High Star Ent: Yang Hyunjoon, Chae Hocheol, Chun Intae
Black Y Music Ent: Kang Jihoon
MBK Ent: Oh Seong Ri
Yuehwa Ent: Zhang Jungyun, Jiang Xinxi
Victory Company: Hong Jaemin, Song Seungwon, Song Ho Joon
Non-company: Yoo Hyunwoo, Kim Seunghyun
List of companies that are rumored to participate in the show
-Hul.. Is Woolim going to send another trainees to the show..?
-Is Woolim going to send Golden Child to this show..?
-Hul.. Choi Taewoong? That Choi Taewoong I know..?
-Woolim, it's time for you to stop..ㅎㅎ
-Park Joon Seo from Boys 24????
-Byunghee..? It hasn't even been that long since Under Nineteen endedㅜㅜ And Chae Hocheol used to be my pick during Boys 24, I hope he gets to debut this timeㅠㅠ
-I guess they're really doing Produce 101 Season 4.. I haven't even watched the 3rd season..
-I hoped for the trainees from Boys 24 to not participate in any other survival shows again since it seems to be very exhausting and mental draining. But they're in this list..
-Is that Kim Dongbin I know..?
-Tell me that's not Choi Taewoong from the 2nd season..
-I think this season is going to be really fun..
-Cube is not participating this time..?
-I thought those trainees from C9 were planned to debut with Bae Jinyoung..??
-Is that Chae Hocheol from Boys 24..??
-Pledis should be taking care of Pristin instead..ㅎㅎ