Sure you know what our main exports are-- services! Nobody buys a computer operating system written in China, and German movies suck. The NYSE is the only board worth listing a company on, and the French have Disneyland/Wal-Mart/McDonalds etc. and offer no competition.
Yes, computer stuff, I am sure. Also, weaponry, I suppose. And I'd think lumber and paper perhaps, considering the acreage devoted to tree farms in the southeast.
You mentioned McDonalds and Disneyworld - I guess American culture is an export. Everyone puts it down, but the entire world can't seem to get enough of it.