hardeners to use

Angel : Explosive / Kinetic with a few Thermal / EM
Amarr Navy : EM / Thermal
Gurista, Mordus, Gallente : Kinetic / Thermal
Blood : EM / Thermal
Sansha : EM / Thermal
Serpentis : Kinetic / Thermal
Mercenary : EM / Thermal / Kinetic (missiles)
Caldary navy : Kinetic / Thermal
Khanid : EM / Thermal
Zazzmatazz : all types of damage
Mordus : Kinetic / Thermal
Rogue Pirate : EM / Explosive / Kinetic
Odamian : Kinetic / Thermal
Thukker Tribe : Explosive / Thermal

Damage types to use

Angel : EM (shields) / Explosive (Armor) or Thermal all
around
Amarr Navy : EM (shield) / Explosive (Armor)
Mordus : EM (shield) / Explosive (Armor)
Gurista : EM (shields) / Explosive (Armor) or
Thermal/Kinetic all around
Gallente Navy: Thermal
Blood : Thermal
Sansha : Thermal
Serpentis : Thermal / Kinetic
Mercenary : Explosive
Caldary Navy : Explosive or Kinetic / Thermal all