Acronym
- Bureau of Indian Affairs, a US government agency
- Board of Immigration Appeals, a US government agency
- The IATA airport code for Bastia - Poretta Airport, or, informally:
- Baghdad International Airport (IATA airport code "SDA")
- Bahrain International Airport ("BAH")
- Bengaluru International Airport ("BLR")
- Bangkok International Airport, officially named "Suvarnabhumi Airport" ("BKK")
- Beirut International Airport ("BEY")
- Belfast International Airport ("BFS")
- Bengaluru International Airport ("BLR")
- Blackpool International Airport ("BLK")
- Bangor International Airport, Bangor, Maine ("BGR")
- Bristol Airport ("BRS")
- Bandaranaike International Airport ("CMB")
- Bus Industries of America
- Behavioural investigative advisor, a UK term for police psychologist
- Bezbednosno Informativna Agencija, a Serbian intelligence agency
- Bilateral Immunity Agreement, a type of treaty involving the United States
- Burned-in address, a globally unique network address assigned to a device at time of manufacture
- Board of Immigration Appeals, a US immigration appellate court
- Bohemia Interactive Australia, a computer simulation software company
- Braille Institute of America, a non-profit organization headquartered in Los Angeles
- British Island Airways, a defunct UK airline
- Brothers in Arms, a video game
- Bioelectrical impedance analysis, a way to measure body fat using electrical impulses
- Border and Immigration Agency, a defunct UK government agency
- Burma Independence Army, a name for the predecessor of the Burma National Army in World War II
- Business impact analysis, a component of business continuity planning
- Business improvement area, a defined area within which businesses pay an additional tax or fee in order to fund improvements within the area
- Basic indicator approach, a set of operational risk measurement techniques for banking institutions
- Bankruptcy and Insolvency Act, the statute that regulates the law on bankruptcy and insolvency in Canada
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