Yamaha.
MySpace.
The company that uses a green circle with three black lines as its logo is the environmental organization known as the "Sustainable Forestry Initiative" (SFI). This logo represents its commitment to promoting sustainable forest management and responsible forestry practices. SFI works with various stakeholders to ensure that forest resources are managed sustainably.
revelation
HTC is one example.
amtrak
yamaha
It means that when you are buying a phone, e.g: from a phone shop which is not a network like o2 or Tesco or orange. It will not have the network company's logo like 3 mobiles, they have the 3 logo behind. So no network logo means no logo of a network behind the mobile like 3!
Billabong
Nestle has 3 birds in a nest on a branch
If it is a film logo, then it is Dreamworks.
Ubs ( if your playing the game logos ;)