I keep 2 kits ready at all times. One large kit in my shed with food and water, medical supplies, eating utensils, TP, bleach, rubbing alcohol sleeping bags, a tent, tarps and rope, cat and dog food. Cast iron cookware, portable grill, lanterns Too much to list really.
The second one in my truck is a bit easier to document.
I carry all of this in a US army ALICE bag. It is full frame, and holds about 85 pounds worth of supplies.
Off the top of my head this is what I got:
Aluminum space blanket
Light weight hammock, the entire pack about the same size as the poncho all balled up.
Sling shot with hundreds of lead musket balls, rocks or marbles would work ok too.
A magnesium fire starter
Strike anywhere matches in waterproof case
Buck knife, full tang, none of that hollow handle shit. The hollow handle seems cool, but it is not sturdy
Rice and dried beans
Army rations with a 3 or 4 year shelf life and water in pouches, can be bought online or surplus store
300 feet of Paracord, this is very versatile with high tensile strength
Off bug spray
Freeze dried coffee
A full change of clothing in a separate back pack, the second pack can be used to lighten my pack if someone else is with me
Maglite with batteries
Crank operated light and radio
DC power inverter, can use a car battery to power 3 or 4 110 outlets
Surgeons tool kit, scissors, scalpels, little scissor like clamps
A few various freeze dried soup mixes
50 quart size ziplocs and 50 gallon sized bags, containers are very important
Life straws, have 3 or 4 of these
few packs of cigs
Light weight collapsible shovel
Aluminum water bottles
Old swiss army type knife with built in fork and spoon
leatherman multi tool
Latex gloves, leather gloves, and work gloves made of a mix of materials
US army survival manual (I also keep a second in the house and read it occasionally to keep the info fresh in my mind)
There is a bit more, but I can't remember it all without going through it.
In my truck I also carry a sleeping bag, tent, gas, water, car fluids and some other miscellaneous items.
That is all I can think of off the top of my head. Some items are redundant, some I may not need, or I could use as trades. Some have multiple uses. Luckily I have a truck with a camper shell that I keep my pack in. I also keep that pack wrapped in 4 garbage bags to protect it from moisture. I also keep a second set of truck keys in a hidden place.
All of this may seem overkill, but the San Andreas Fault is less than 1/4 mile from my house. A quake like the recent Japan event, a level 9 will take out everything in my area. So I may very well need this eventually. I also had friends that were in LA when Katrina hit, the stories they told me about having to survive were an eye opener. Think about what you need for your specific area. Most things are universal, but you may need specialized items depending on climate.
Depending on where you live a .22 rifle would make an excellent addition to your pack. In CA, you cant always carry in your car. But other states are not as strict as CA. .22 ammo is lightweight and can take most small game. I have made sure to have a gun for each family member, and made sure they know how to use them in case I am not around to help. If looking for a good survival gun go with a .22. For something bigger go with 9mm luger, or 5.56 NATO, both of these calibers are used by our armed forces, so you can replenish your stock easier than the less common calibers.
Hope this helps in some way.
This is a Lying Cat, and Lying Cats always play by the rules...At least they're supposed to.