Vodafone is one company that has the red tear drop in a white circle. There are probably other companies that have a similar logo as well.
Airwalk's logo is a white tent in a red circle.
target
Vodafone
The company that has a red circle logo with a red R in it is RadioShack.
Camper
Castelli
The logo with a red comma in a white circle belongs to the brand "Comma." This logo is often associated with a focus on creativity and communication. The design is simple yet distinctive, making it easily recognizable.
Vodafone
levitz
airwalk
The logo with a red upside-down apostrophe in a white circle belongs to the clothing brand named Supreme. The logo has become iconic and is easily recognizable among streetwear enthusiasts.
iits called a footlocker