Askereus Sajuuk-Khar

** Targeting systems **
Minmatar - Ladar
Caldari - Gravimetric
Gallente - Magnetometric
Amarr - Radar

** Damage types ***
Guristas - Kinetic (Primary) / Thermal
Serpentis - Thermal / Kinetic
Blood Raider - Thermal / EM
Sansha's Nation - EM (Primary) / Thermal (Rare)
Angel Cartel - Kinetic / Explosive (Primary) / Thermal (Secondary)
Rogue Drones (Alvus, Strain, Sentient) EM / Thermal (Sec) / Kinetic (Sec) - Explosive (Primary)
EoM - Thermal / Kinetic

Minmatar Fleet - Thermal / Explosive Kinetic?
Amarr Navy - EM / Thermal
Caldari Navy - Thermal / Kinetic
Gallente Navy - Thermal / Kinetic (Primary)

Hint: Usually the type of damage the NPC's inflict on you is the type of damage you should inflict on them.

Best Damage to NPCs
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal Kinetic
Blood - EM/Thermal
Sansha - Thermal
Angel - Explosive
Mercenary - Thermal
The Syndicate - Kinetic/Thermal
Thukker Tribe - Explosive
Caldari Navy - Kinetic