Preferred radio is the MidlandGTX 1000. Look for it on Amazon at less than $70 for a pair sold together here. This is an incident command radio kit.
Weather Proof Record Keeping
Rite in the Rain Notebooks. Central Marin Fire Department uses these for weather proof record keeping.
Utility Shut Off Tool
Orbit Utility Shut Off Tool. For water main and gas meter shut off. $10
3A Safety. The source for the vests that many NRGs are using.
The Earthquake Supply Center. 10% discount for NRGs.
Stop The Bleed Kit -Build your own (DIY)
Sample medical kits like this for its field medical team.