Hardeners to use

Angel: All
Drones: All (more Exp/Kin, less EM/trm)
Gurista, Mordus, Gallente: Kinetic/Thermal
Blood: EM/Thermal
Sansha: EM/Thermal
Serpentis: Kinetic/Thermal
Mercenary: EM/Thermal/ (Kinetik missiles)
Zazzmatazz : all types of dmg
Rogue Pirate: EM/Explosive/Kinetic
Odamian: Kin/therm

Damage types to use

Angel: Exp(Primary), Kin(secondary)
Drones: EM (Best All-round), Kin/Trm (secondary)
Mordus: EM (shield) Explosive(Armor)
Gurista: EM(shields) Explosive(Armor), Thermal/Kinetic all round
Blood: Thermal
Sansha: EM/Thermal(secondary)
Serpentis: Kin (Primary)/Trm(Secondary)
Mercenary: Explosives
Zazzmatazz: EM(shield)/Explosive(Armor)
Rogue Pirate: EM(shield)/Explosive(Armor)
Odamian: EM(shield)/Explosive(Armor)