What do you carry with you?

Ok, just like many fire-fighter websites go on for pages about what guys carry with them in their turnout gear why not do one for us equipment guys.
What do you guys carry with you in your truck?

For myself right back to using my own truck, new job and all, but hate to be without tools or other things. The 4x4 S-10 doesn't leave much room for many things but I get in what I can.

In the tool box

Craftsman tool set(sockets, wrenches, screw drivers, etc)
small sledge hammer
few...

What do you carry with you?

What do you carry with you?