Death's just another start.

*** Main Damage type to use against enemy ***
Guristas - Kinetic
Serpentis - Thermal
Mordus - Thermal & Kinetic
Blood - Thermal
Sansha - Thermal
Angel - Explosive
Mercenary - Thermal

http://eve-survival.org/wikka.php?wakka=MissionReports
NPC - Damage - Weak against
Angel - Kinetic/Explosive (Explosive)
Amarr - Navy EM/Thermal (Thermal)
Blood - Raiders EM/Thermal (EM)
Caldari - Kinetic/Thermal (Thermal / Kinetic for Temuras)
Concord - Kinetic/Thermal (Thermal)
Gallente - Kinetic/Thermal (Thermal)
Guristas - Kinetic/Thermal (Kinetic)
Khanid - EM/Thermal (Thermal)
Minmatar - Fleet Thermal/Exp (Thermal / Exp for Darkanas)
Mercenary - EM/Thermal/Kinetic (Thermal)
Mordus - Kinetic/Thermal (Kinetic)
Odamian - Kinetic/Thermal
Drones - all Dmg types (EM)
Rogue - Pirate EM/Explosive/Kinetic
Sansha - EM/Thermal (EM)
Serpentis - Kinetic/Thermal (Thermal)
Zazzmatazz - All Dmg types (Thermal)