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I believe that the quicksilver logo represents a wave in waikiki, with the vulcano (diamond head) in the background. But this is just my own impression of the logo...
The Pittsburgh Steelers sometimes have a black wave on their merchandise, but I couldn't find a specific company with a black wave for a logo.
One company that has a purple peace sign as a logo is Craigslist. Craigslist started in 1995 and covers over 50 countries.
Rip curl
Taco Bell
Purple box M
Taco bell
viber
wiskas
Gogo
carhartt