Facebook uses the blue thumbs up logo as their brand image. In India, Thums Up Cola uses the red thumbs up image as a brand logo.
Barclays uses a blue eagle as their logo.
Kmart uses a K as its logo.
The Coleman company
Ford motor company
Nickelodeon
Westinghouse
The WWF - World Wildlife Federation uses a panda in its logo.
Well, Perl Coding's logo is a Camel.
Thums Up Cola from India uses a red thumb up logo.
The red bull company does
The Crown Cap company .