Another crazy French pilot, beware.

ECM type
-Amarr ----> Radar = White Noise
-Caldari ---> Gravimetric = Spatial Destabilizer
-Gallente --> Magnetometric = Ion Field
-Minmatar -> Ladar = Phase Inverter

Damage types
Guristas - Kinetic / Thermal
Serpentis - Thermal / Kinetic
Blood Raider - Thermal / EM
Sansha's Nation - EM / Thermal
Angel Cartel - Kinetic / Explosive / Thermal
Minmatar Fleet - Thermal / Explosive
Amarr Navy - EM / Thermal
Rogue Drones - Thermal / Kinetic / EM

Best Damage to NPCs
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal & Kinetic
Blood - EM & Thermal
Sansha - Thermal
Angel - Explosive
Mercenary - Thermal
Seven(Zazzmatazz) - Thermal