We have created a logo animation in Blender 2.58 for our firm. Please find the animation video at:
[video]http://cmstudios.in/post/19729476475/our-latest-logo-animation[/video]
Or
[video]http://neeraj-blog.tumblr.com/post/19729524630/final-logo-animation-for-chameleon-multimedia[/video]