he short version:

Guristas - Kin / Therm (weak: kin)
Serpentis - Therm / Kin (weak: kin/therm)
Blood Raider - EM / Therm (weak: EM)
Sansha - EM / Therm (weak: EM)
Angel Cartel - Exp / Kin (weak: exp)
Mordus - Kin / Therm (weak: kin)
Minmatar Fleet - Therm / Exp (weak: therm)
Amarr Navy - EM / Therm
Thukker - Therm / Exp


The long:

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Damage type to protect against:
* Guristas (Caldari) -> Kinetic/Thermal
* Angel (Minmatar) -> Explosive
* Blood (Amarr) - EM/Thermal
* Sansha (Amarr) - EM/Thermal
* Serpentis (Gallente) - Kinetic/Thermal
* Khanid (Amarr) - EM/Thermal
* Mordus (Caldari) - Kinetic/Thermal
* Amarr Navy - EM/Thermal
* Caldary Navy - Kinetic/Thermal
* Gallente Navy - Kinetic/Thermal
* Minmatar - ALL (Kinetic/Thermal)
* Thukker - Explosive/Kinetic/Thermal
* Roque Drones - ALL
* Komni - Thermal/Kinetic
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