I'm totally stuck at the moment.
Can't figure out what to do now, I'm just wandering around talking to everyone.

My inventory:
2 nanoxite stones
4 peryolitium shards
leather briefcase
metal briefcase
employment papers
ISO accident report
scrap of paper
ID card
2 passcards
supply room card
mine access card
OSA card
Izacladia access card
business card
gold key
vault key
dragon key
crowbar
light tube
radio receiver
fire extinguisher
crank
pickaxe
noise filter headset
knife
ISO energy pulse gun
tranquilizer gun
military uniform
ISO Officer's cap
pet snacks
matches
washcloth
round pot
small mirror
sleeping pills
rock
tranquilizer spray

I've shot the bear, talked with Johnson gave him prove, blew up the door that was stuck, had the janitor scared away with the wrench...

Can't get the wrench, can't find the janitor,
Can't get the spiffy cola......don't know what to do anymore...am really, really stuck.
Please help.