1. INTERNATIONAL INTELLECTUAL NETWORK (INN)
Earth's leading intelligence, scientific, and tactical defense organization.
Headquarters: New Atlantis.
Plays a central role throughout the CSU and serves as the primary defense organization against global and extraordinary threats.
2. Ghost Serpent Syndicate
A highly secretive global criminal syndicate specializing in advanced biotechnology, illegal experimentation, and covert operations.
One of the earliest major antagonistic organizations introduced in the Agent Steel franchise.
3. Hydra-07
A powerful paramilitary terrorist organization with access to advanced weaponry, cybernetics, and covert military assets.
Frequently clashes with INN and its agents.
4. Crimson Order
A supernatural criminal empire based in Xianghai.
Led by Li Shenzao, it dominates the city's underworld through ancient traditions, martial mastery, and supernatural influence.