Interceptor Body Armor 
International Bar Association 
Important Bird Area 
Independent Broadcasting Authority 
Industrial Biotechnology Association 
Ion Beam Analysis 
INDEPENDENT BROADCAST AUTHORITY 
Institute of Business Administration 
Idaho Bankers Association 
immunobead assay 
immunoblot assay 
Incident Based Automation 
Incinerator Bottom Ash 
Independent Bankers of America 
Indigenous Business Australia 
Individually Billed Accounts 
indole-3-butyric acid 
indolebutyric acid 
Industrial Base Assessment 
Industrias Bachoco, S.A. de C.V. 
infectious bursal agent 
Infini-Band Architecture 
inhibitor binding assay 
Institute for Biomedical Aging Researc… 
Institute for Briquetting and Agglomer… 
Institute of British Architects 
Institute of Business Appraisers 
Integrated Battlefield Architecture 
Intel Boot Agent 
Intelligent Bladestore Architecture