YD Industries http://www.ydindustries.com/
Features a pseudo-company that skewers the heart of consumer culture. Offers a catalog of products, advertisements, and company bulletins.
You're Probably Lost http://www.iamlost.com
Parody articles and items. Home of "Insensitivity E-Cards," "Snag-a-Dolphin Kits," "Perpetually Young Lion Cubs" and much more chewy fun stuff.