An excellent "over the counter" survival tin is the Penrith Combat Survival Tin sold by Brigade Quartermasters. It's about 20 bucks and has a great selection of basic stuff, although it's a good idea to go through and remove/replace some of the stuff and use the space to add your own little touches.
Also, while the Penrith tin is larger than the Altoids, it will still fit in most pockets, and has 2 added advantages: #1, obviously, is that you can get more stuff in it; #2 is that the tin itself can be used to cook in, although in small amounts only; But a tiny pot is better than none, and this is, after all, a pocket kit for EDC use. To make cooking in the tin easier I drilled a small hole in each corenr of the tin, so that I could use snare wire to suspend the pot over a fire.