|This article is about a/an group in Kamen Rider Amazons.|
In the World of Amazons, Competitive Creatures Control Center (特定有害生物対策センター Tokutei Yūgai Seibutsu Taisaku Sentā), often abbreviated to 4C, is the organization formed after the downfall of Nozama Pharmacy, tasked with containing the remaining Amazons.
4C was formed after Nozama Pharmacy went bankrupt due to the Amazons scandal.
- Yugo Tachibana - Director
- Shogo Kano - Secretary
- Kurosaki Squad
- Fujio Squad
- Akamatsu Squad
- Aoyama Squad