Information Analysis Centers 
Internet Application Components 
Inertial Attitude Control System 
International Annealed Copper Standard 
integrated acoustic communication syst… 
Integrated Armament Control System 
Intergrated Acoustic Communication Sys… 
International Association of Classific… 
Immunoaffinity columns 
Indian Association for the Cultivation… 
Integrated Access and Control System 
Integrated Access and Crossconnect Sys… 
Integrated Administration and Control… 
Integrated Attitude Control Simulator 
Integrated Avionics Control System 
Intelligence Acoustic Communication Sy… 
Inter-Asia Cultural Studies 
Intermediate Altitude Communication Sa… 
International Agriculture Control Syst… 
International Association of Chemical… 
International Association of Counselin… 
International Association of Cryospher…