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BSIABritish Security Industry Association (UK)
BSIABeijing Software Industry Association (China)
BSIABinding Site Improvement Agreement
BSIABritish Security Industry Authority
BSIABritish Starch Industry Association
BSIABeijing Semiconductor Industry Association (China)
BSIABest Scientific Information Available
BSIABachelor of Science in Information Assurance
BSIABase Station Interface Adaptation
BSIABereavement Services Industries Association (UK)
BSIABible Society in Australia
BSIABulk Stable Isotope Analysis
BSIABangladesh Sick Industries Association
BSIABachelor of Science in Industrial Arts
BSIABioScience Intelligence Advisors, LLC
BSIABritish Standards Institute Association
BSIABelarusian Scientific-Industrial Association
BSIABotanical Special Interest Areas
BSIABulk Sample Isotope Analysis
BSIABehavior Science in the Information Age (course)
BSIABarrington Square Improvement Association (Hoffman Estates, IL)
BSIABridge Set Infantry Assault
BSIABuilding Surveyors Institute of Australia
BSIABasic Skills Independent Assessments (UK)
BSIABlack Sea Information Alliance
BSIABuilding Social Inclusion in Australia
BSIABrockhall Ship Insurance Agency (UK)
BSIABaghdad-Saddam International Airport