Key - NPC name: Damage Type it uses (Damage to use against it)

Angel Kinetic/Explosive (Explosive)
Amarr Navy EM/Thermal (Thermal)
Blood Raiders EM/Thermal (EM)
Caldari Kinetic/Thermal (Thermal / Kinetic for Temuras)
Concord EM/All Dmg Types (Thermal)
Gallente Kinetic/Thermal (Thermal)
Guristas Kinetic/Thermal (Kinetic)
Khanid EM/Thermal (Thermal)
Minmatar Fleet Thermal/Exp (Thermal / Exp for Darkanas)
Mercenary M/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)

-Smallest to Largest Site-
1 2 3 4 5 6 7 8 9 10
Burrow > Hideaway > Refuge > Rally Point > Den > Yard > Port > Hub > Haven > Sanctum

-Easiest to Hardest Site-
1 2 3
Hidden > Forsaken > Forlorn