Hattip Lillik Eoner and http://wiki.eveuniversity.org/NPC_Damage_Types

*** Damage types they shoot at you ***
Gurista/EoM: 0.75 kin/0.25 therm
Angel: 0.7 exp/0.2 kin/0.1 em
Sansha/Blood raider: 0.5 em/0.5 therm
Serpentis: 0.5 kin/0.5 therm
Mercenaries: 0.5 therm/0.3 kin/0.1 exp/0.1 em
Rogue drones: 0.7 exp/0.2 kin/0.1 therm
Mordu: 0.7 kin/0.3 therm

*** Main Damage type to shoot at the enemy ***
Guristas - Kinetic (hornet vespa)
Serpentis - Thermal (hob hammer)
Mordus - Thermal & Kinetic (hob hammer)
Blood - EM & Thermal (acol infiltrator)
Sansha - EM & Thermal (acol infiltrator)
Angel - Explosive (warrior valk)
Mercenary - Thermal (hob hammer)
Corpum - EM & Thermal (acol infiltrator)

hob/hammer: therm | hornet/vespa: kin | acol/infil: EM | warr/valk: exp

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