International Academy, Research and Industry Association (IARIA) Website: http://www.iaria.org/
International Air Transport Association (IATA) Website: http://www.iata.org/
International Alliance of Women Website: http://www.womenalliance.org/
International Aluminium Institute (IAI) Website: http://www.world-aluminium.org
International Amateur Theatre Association Website: http://www.aitaiata.org
International Association Computer Science and Information Technology (IACSIT) Website: http://www.iacsit.org/
International Association for Bridge & Structural Engineering Website: http://www.iabse.org/
International Association for Bridge and Structural Engineers Website: http://www.iabse.org
International Association for Computational Mechanics Website: http://www.iacm.info
International Association for Continuing Engineering Education (IACEE) Website: http://www.iacee.org
International Association for Corporate & Professional Recruitment (IACPR) Website: http://www.iacpr.org
International Association for Earthquake Engineering Website: http://www.iaee.or.jp/
International Association for Engineering and Technology (IAET) Website: http://www.iaetjournals.com/
International Association for Feminist Economics (IAFFE) Website: http://www.iaffe.org
International Association for Hydro-Environment Engineering and Research (IAHR) Website: http://www.iahr.org
International Association for Orthodontics (IAO) Website: http://www.iaortho.org
International Association for Quantitative Finance (IAQF) Website: http://www.iaqf.org
International Association for Research in Income and Wealth Website: http://www.iariw.org
International Association for Urban Climate Website: http://www.urban-climate.org
International Association of Advanced Materials (IAAM) Website: http://www.iaamonline.org
International Association of Aesthetics Website: http://www.iaaesthetics.org
International Association of Association Management Companies (IAAMC) Website: http://www.iaamc.org
International Association of Burn Camps (IABC) Website: http://www.iaburncamps.org/
International Association of Civil Engineering Students (IACES) Website: http://www.iaces.org
International Association of Cloud and Managed Service Providers (MSPAlliance) Website: http://www.mspalliance.com/
International Association of Engineering and Management Education (IAEME) Website: http://www.iaeme.com/
International Association of Engineering Insurers (IMIA) Website: http://www.imia.com
International Association of Engineers (IAENG) Website: http://www.www1.iaeng.com/join_us.php?
International Association of Engineers and Scientists (IAEST) Website: http://www.iaest.org