Damage you should resist:
Angel Cartel: Minor EM, Minor Thermal, Secondary Kinetic, Primary Explosive
Blood Raiders: EM, Thermal.
EoM: Thermal, Kinetic.
Guristas: Thermal, Kinetic.
Mercenary: Minor EM, Primary Thermal, Secondary Kinetic, Minor Explosive.
Rogue Drones: All types.
Sansha: EM, Thermal
Serpentis: Thermal, Kinetic.

Damage should deal:
Angel Cartel: Explosive.
Blood Raiders: EM/Thermal
EoM: Kinetic
Gursitas: Kinetic
Mercenary: Thermal
Sansha: EM/Thermal
Serpentis: Thermal/Kinetic