B3R stands for Bradley 3 Ranch, Ltd. (Memphis, TX)
B3F stands for Band 3 Cytoplasmic Fragments
B3G stands for Beyond Third Generation
B3E stands for Biomathématiques Biostatistiques Bioinformatique Épidémiologie B3E stands for Business with triple E Engineering - Energies - EDV
B3RP stands for Band 3-Related Protein
B40 stands for Below -40 (Survival Kit for Pilots)
B4COE stands for Before Close of Escrow
B4C stands for Bible 4 Children (Pontrhydyrun Baptist Church; Torfaen, UK) B4C stands for Build-For-Change (Pegasystems Inc.)
B4N stands for Bye for Now
B3ZS stands for Bipolar Three Zero Substitution