The logo described is likely that of the band Metallica, which features a silver circle with a silver lightning bolt.
Opel
Vodafone
Aston martin
Mini
it is the car company volvo :-)
Transport for London.
volvo
Volvo
It is the word Dell in all capitals, and it is type in an industrial font with a circle around it. It is usually silver.
The logo you are describing is the logo of the popular online game "Google Chrome." It features a blue circle at the top, surrounded by a green circle, a yellow circle, and a red circle, all arranged in a circular design. This colorful logo represents the web browser's vibrant and user-friendly interface.
Airwalk's logo is a white tent in a red circle.