Wise men advices:
** NPC Damage resistance **
......................EM...............EXP...........Kin..........Therm
Angel...........74,5%..........44,7%.......55,0%.......64,5%
Blood...........44,7%..........74,5%.......64,5%.......55,0%
Guristas.......74,5%.........64,5%.......44,7%.......55,0%
Sanshas.......44,7%.........74,5%.......64,5%.......55,0%
Serpentis.....64,5%.........74,5%.......44,7%.......55,0%


** Main Damage type to shoot at the enemy **
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal & Kinetic
Blood - EM & Thermal
Sansha - EM & Thermal
Angel - Explosive
Mercenary - Thermal


Damage Types to Fire on Enemies** Damage types done by the enemy **
Amarr Navy - EM / Thermal
Angel Cartel - Kinetic / Explosive
Blood Raider - Thermal / EM
Caldari - Kinetic / Thermal
Concord EM/All Dmg Types (Thermal)
EoM Thermal/Kenetic (Kenetic)
Gallente - Kinetic / Thermal
Guristas - Kinetic / Thermal
Minmatar Fleet - Thermal / Explosive
Mercenaries - Kinetic / Thermal / Explosive
Mordu's Legion - EM / Kinetic / Thermal
Odamian Kinetic/Thermal
Drones - all Dmg types (EM)
Rogue Drones - All Damage Types
Rogue Pirate EM/Explosive/Kinetic (EM)
Sansha's Nation - EM / Thermal
Serpentis - Kinetic / Thermal

ECM*
Caldari - Blue background icon - Blue ECM module
Gallente - Green background icon - Green ECM module
Amarr - Gold/Brown background icon - Gold/Yellow ECM module
Minmatar - Red