Stealing this from several people:

** Damage types *** (tank against them for
shield and armor)
Guristas - Kinetic / Thermal
Serpentis - Thermal / Kinetic
Blood Raider - EM / Thermal
Sansha's Nation - EM / Thermal
Angel Cartel - Explosive / Kinetic
Minmatar Fleet - Thermal / Explosive
Amarr Navy - EM / Thermal
Caldari - Kinetic/Thermal

***Main Damage type to shoot at the enemy***

Guristas - Kinetic
Serpentis - Kinetic / Thermal
Mordus - Thermal / Kinetic
Blood - EM
Sansha - EM
Angel - Explosive
Mercenary - Thermal
Rogue Drones - EM