Fast breeder reactor, a nuclear reactor using fast neutrons that breeds fuel

Fluidized bed reactor, a chemical reactor that fluidizes a granular solid

Front-to-back ratio, a telecommunications term

the stock symbol of Friedman Billings Ramsey, bank and sponsor of the FBR Open

Fueled By Ramen, an independent record label started by Vinnie Fiorello of Less Than Jake

Decaydance Records is the partner company of Fueled By Ramen, started by Pete Wentz of Fall Out Boy.