IMissions guide:
http://eve-survival.org/missions/
www.eve-agents.com

*** NPC damage types ***
Guristas - Kinetic & Thermal
Serpentis - Kinetic & Thermal
Mordus - Kinetic & Thermal
Blood - EM & Thermal
Sansha - EM & Thermal
Angel - EM, Kinetic, Thermal & Explosive
Mercenary - EM, Kinetic, Thermal & Explosive
Rogue Drones - EM, Kinetic, Thermal & Explosive

*** Best damage types to NPC ***
Guristas - Kinetic
Serpents - Thermal
Mordus - Thermal & Kinetic
Blood - Thermal
Sansha - Thermal
Angel - Explosive
Mercenary - Thermal
Rogue Drones - EM

*** Scout drone damage types ***
Acolyte - EM
Hobgoblin - Thermal
Warrior - Explosive
Hornet - Kinetic
*** Medium drone damage types ***
Infiltrator: EM
Hammerhead: Thermal
Valkyrie: Explosive
Vespa: Kinetic

Standing -2.0 cannot enter 1.0 systems
Standing-2.5 cannot enter 0.9 systems
Standing -3.0 cannot enter 0.8 systems
Standing-3.5 cannot enter 0.7