Cloning Vats
Colony Clinic
Colony Hospital
Military Academy
Paradise Dome
Visitor Center
Hive Synapse
Symbol of Purity
Habitat Agricultural Zone
Habitat Lab Module
Spare Parts Depot
Unit Assembly Plant
Nutrient Paste Facility
Neuro Electric Amp
War Factory
Control Center.

I've also altered the event buildings:
Primitive Farm & Factory
both Vault variants
Particle Accelerator
Quarantine Hospital
Plague Memorial Building

This was just done to give them unique icons. I haven't encountered any popular mods that alter these but this is just a heads up.