Sherwin-Williams Tile-Clad High Solid Epoxy Paint is the best...it ain't cheap and it hold up to commercial use at my shop...Here is link to when I moved into the new to me shop...Cost me $1200 in paint do do a 3000 square shop with 2 good coats.
http://www.forabodiesonly.com/mopar/showthread.php?t=139220
