One company that has a purple peace sign as a logo is Craigslist. Craigslist started in 1995 and covers over 50 countries.
IVESCO
Purple box M
Taco Bell
wiskas
Taco bell
viber
Gogo
There logo is purple and yellow and white. ++ __
FedEx
I think you mean the Roncato logo. :)
Louis vuitton!