Pan Am
At&T or united airlines
At&t
UNICEF
Firefox
Ryanair (small Irish airline)
Expedia is known for being the company with a blue circle and a gold plane. They offer cheap flights and airline information.
Unicef
Did you really mean "airplane" - or did you mean airline . -If airline it is Qantas.
The Globe had a sign of Atlas holding the Earth on his back.
Eastpak
Blue Eye Technologies have a logo that is a blue eye.
You can see the Indigo airline emblem on it's wikipedia page here.