Let's make a big post with places we buy gear/food/etc relating to "survival" and being prepared from.
If it's a website include the full URL (Also maybe include what you purchased from theire (can be vague like "blankets"))

http://www.lapolicegear.com
-Under Armor (Sale)
-5.11 Pants (Sale)

http://www.emprep.com/
-Cheap heat warmers and other misc small items

http://saratogatradingcompany.com/
-MREs

http://www.saratogatradingcompany.com/
-Misc Stuff *High in price*

http://www.udap.com/product.htm
-Bear/Pepper Spray