Damage types caused:
Guristas - Kinetic / Thermal
Serpentis - Thermal / Kinetic
Blood Raider - Thermal / EM
Sansha's Nation - EM / Thermal
Angel Cartel - Kinetic / Explosive
Minmatar Fleet - Thermal / Explosive
Amarr Navy - EM / Thermal
Caldari Navy - Kinetic / Thermal
Gallente - Kinetic / Thermal
Mercenary - EM / Thermal / Kinetic
Mordu's Legion - Kin/Thermal
Drones - EM / Thermal
Khanid - EM / Thermal
Thukker - Explosive

Best Damage to NPCs:
Mordus - Thermal / Kinetic
Drones - EM
Thukker - Thermal
Sansha's Nation - EM
Blood Raider - EM
Guristas - Kinetic
Angel Cartel - Explosive
Mercenary - Kinetic
Serpentis - Kinetic / Thermal

Tank:
sansha with 2 EM and 1 thermal hardener.
blood with 2 EM and 1 thermal hardener.
guristas with 2 kinetic and 1 thermal hardener
serpentis with 2 thermal and 1 kinetic hardener.
mercs with 1 invuln field 1 thermal and 1 kinetic hardener.
angels with 1 invu