Damage Types Dealt by NPCs:

Amarr Navy - EM / Thermal
Angel Cartel - All Types
Blood Raider - Thermal / EM
Caldari Navy - Kinetic / Thermal
Gallente Fleet - Kinetic / Thermal
Guristas - Kinetic / Thermal
Minmatar Fleet - Thermal / Explosive
Mercenaries - Kinetic / Thermal / Explosive
Mordu's Legion - EM / Kinetic / Thermal
Rogue Drones - All Damage Types
Sansha's Nation - EM / Thermal
Serpentis - Kinetic / Thermal
The 7 the - Thermal / Kinetic

Damage Types to Fire on Enemies:

Angel Cartel - Explosive
Blood Raiders - Thermal
Caldari Navy - Kinetic
Rogue Drones - EM
EoM - Kinetic
Guristas - Kinetic
Mercenaries - Thermal
Mordu's Legion - Thermal & Kinetic
Sansha's Nation - EM & Thermal
Serpentis - Thermal & Kinetic
The Syndicate - Kinetic & Thermal
Thukker Tribe - Explosive