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

-----Damage to do (Damage to Restist)-----
Enemies ------ Hardener -- Damage

Angel --------- Explosive (Kin/Exp)
Amarr --------- Thermal (EM/Therm)
Blood Raiders -- EM (EM/Therm)
Caldari -------- Thermal (Kin/Therm)
CONCORD ------ Thermal *(ALL)*
Gallente ------- Thermal (Kin/Therm)
Guristas ------- Kinetic (Kin/Therm)
EoM ----------- Kinetic/Thermal (Kinetic)
Khanid -------- Thermal (EM/Therm)
Mimintar ------- Thermal (Therm/Exp)
Mercenary ----- Thermal (EM/Therm/Kin)
Mordus -------- Kinetic (Kin/Therm)
Odamian ------ *ALL* (Kin/Therm)
Drones -------- EM *(ALL)*
Rogue Pirates - *ALL* (EM/Exp/Kin)
Sansha ------- EM (EM/Therm)
Serpentis ----- Thermal (Kin/Therm)
The Seven ---- *All* (Therm)
Zazzmatazz --- Thermal *(ALL)*

-----Targeting Systems-----
Minmatar - Ladar = Phase Inverter
Caldary - Gravimetric = Spatial Destabilizer
Gallente - Magnetometric = Ion Field
Amarr - Radar = White Noise