Targeting systems used by...

Minmatar - Ladar
Caldary - Gravimetric
Gallente - Magnetometric
Amarr - Radar

NPC name - Damage Type it uses (Damage to use against it)

Angel Kinetic - Explosive (Explosive)
Amarr Navy - EM/Thermal (Thermal)
Blood Raiders - EM/Thermal (EM)
Caldari - Kinetic/Thermal (Thermal / Kinetic for Temuras)
Concord - EM/All Dmg Types (Thermal)
Gallente - Kinetic/Thermal (Thermal)
Guristas - Kinetic/Thermal (Kinetic)
Khanid - EM/Thermal (Thermal)
Minmatar - Fleet Thermal/Exp (Thermal / Exp for Darkanas)
merc - M/Thermal/Kinetic (Thermal)
Mordus - Kinetic/Thermal (Kinetic)
Odamian - Kinetic/Thermal
Drones - all Dmg types (EM)
Rogue Pirate - EM/Explosive/Kinetic
Sansha - EM/Thermal (EM)
Serpentis - Kinetic/Thermal (Thermal)
Zazzmatazz - All Dmg types (Thermal)