Agent Mission Guide: http://eve-survival.org/wikka.php?wakka=MissionReports

General NPC damage guide:

-NPCs DMG-

Gallente Navy = Kinetic/Thermal
Amarr Navy = EM/Thermal
Angel = All (Explosive-kin)
Blood = EM/Thermal
Caldary Navy = Kinetic/Thermal
Federation Navy (Gallente) = Kinetic/Thermal
Guristas = Kin/Therm
Khanid Kingdom = EM/Ther
Mercenaries = EM/Thermal/Kin
Mordus = Kinetic/Thermal
Republic Fleet (Minmatar) = All damage types
Rogue Drones = EM/Thermal
Sansha = EM/Thermal
Serpentis = Kinetic/Thermal
The Seven = All (Explosive - Kinetic)
Zazzmatazz = All (heavy kinetic/thermal)

-DMG to NPCs-

Gallente Navy = EM/Explosive
Ammatar = Thermal
Angel = Explosive
Blood Raider = EM
Guristas = Kinetic
Khanid Kingdom = EM