The mentioned research groups are nothing else than the different types of enemies. They are:
- Thuggish Splicer
- Leadhead Splicer
- Spider Splicer
- Houdini Splicer
- Nitro Splicer
- Rosie
- Bouncer
- Little Sister
- Security Bot
- Security Camera
- Turret
Security Bot, camera and turret don't have their own Trophies so don't forget to take their picture.