Center for Infrastructure and Transportation Studies - Rensselaer Polytechnic Institute (RCD)
Center for Integrated Turbulence Simulations - Stanford University (RCD)
Center for International Trade and Security - Research center (RCD)
Central Integrated Test Set (SAUS)
Central Integrated Test System
Central Integrated Test System Multiplex (CIST)
Certificate of Individual Theological Studies (PGP)
China International Travel Service
Commission Internationale Technique de Sucrerie - International Commission of Sugar Technology (EAIO)
Corporate Information Technology Strategy
Croatian Information Technology Society
Current Imaging Tunneling Spectroscopy