Bureau of Indian Affairs 
Business Impact Analysis 
Board of Immigration Appeals 
Bus Interface Adapter 
Buyers' Information Advisory 
burned-in address 
Ball Image Analyzer 
batch injection analysis 
Battlefield Information Architecture 
Bell Industry Advisory 
Best Information Available 
Bio Industry Association 
Biochemical Induction Assay 
bioelectric impedance analysis 
biospecific interaction analysis 
Boss In Area 
British-Irish Association 
Background impulse activity 
Backplane Interface Adapter 
bacterial inhibition assay 
Bankruptcy and Insolvency Act 
Basic Indicator Approach 
Basic Insurance Amount 
Basic International Arrangement 
Beginning Intermediate And Advanced 
Bicycle Institute of America 
bioelectric impedance 
bioelectrical impedance 
Bioelectrical Impedance Analyses 
bioelectrical impedance analysis