-NPCs DMG-
Gallente Navy = Kinet/Therm
Amarr Navy = EM/Therm
Angel = All (Explosive-Kinet)
Blood = EM/Therm
Caldari Navy = Kinet/Therm
Federation Navy (Gallente) = Kinet/Therm
Guristas = Kinet/Therm
Khanid Kingdom = EM/Therm
Mercenaries = EM/Therm/Kinet
Mordus = Kinet/Therm
Republic Fleet (Minmatar) = All damage types
Rogue Drones = EM/Therm
Sansha = EM/Therm
Serpentis = Kinet/Therm
The Seven = All (Explosive - Kinet)
Zazzmatazz = All (heavy Kinet/Therm)


-DMG to NPCs-
Gallente Navy = EM/Explosive
Ammatar = Therm
Angel = Explosive
Blood Raider = EM
Guristas = Kinet
Khanid Kingdom = EM
Mercenaries = Therm/Kinet
Republic Fleet (Minmatar) = Therm
Rogue Drones = EM
Sansha = EM
Serpentis = Therm/Kinet
The Seven = Therm
Thukker Tribe = Therm

Easiest -> Hardest Site:
Hidden > Forsaken > Forlorn

Smallest -> Largest Site:
Burrow > Hideaway > Refuge > Den > Rally Point > Yard > Port > Hub > Haven > Sanctum

http://www.ellatha.com/eve/wormholelist.asp