| Interdepartmental Committee for Meteorological Services | Academic & Science |
| International Centre for Mathematical Sciences | Academic & Science |
| International Cellular Medicine Society | Academic & Science |
| Institute of Computer and Management Sciences | Academic & Science |
| Innovative Cost Management Services | Business |
| Interior Collections Management System | Business |
| Integrated Customer Management Software | Business |
| Internal Communications Management System | Business |
| Integrated Customer Management System | Business |
| Integrated Combat Management System | Business |
| Incentive Compensation Management System | Business |
| Integrated Crop Management Services | Business |
| Integrated Case Management Services | Business Management |
| International College of Management Sydney | Business Management |
| Integrated Content Management System | Business Management |
| Integrated Curriculum Management System | Business Management |
| Innovative Consulting Management Serivces | Business Management |
| Innovative Consulting Management Services | Business Management |
| Indian Classical Music Society | Community |
| Irvington Community Middle School | Community |
| International Committee for Museum Security | Community |
| Independence Charter Middle School | Community |
| Indian Creek Middle School | Community |
| Internet Cafe Management Software | Computing |
| Internet Cafe Management System | Computing |
| Integrated Circuit Measurement System | Electronics |
| Idaho Coalition For Motorcycle Safety | General |
| International Congress on Medieval Studies | General |
| India Central Monitoring System | General |
| Integrated Control and Monitoring system | General |
| Imposto sobre Circulação de Mercadorias e Serviços | General |
| International Construction Measurement Standards | General |
| Intensivering Civiel Militaire Samenwerking | General |
| Integrated Cargo Management System | Governmental |
| Institute for Computational Molecular Science | Governmental |
| Institute for Complex Molecular Systems | Governmental |
| International Council of Motorsport Sciences | Governmental |
| International Company for Mobile Services | International |
| International Congress of Medical Sciences | International |
| International Cost Measurement Standards | International |
| Internet Content Management System | Internet |
| Indirect Cost Management System | Space Science |
| Integrated Configuration Management System | Space Science |
| Intercom Master Station | Space Science |
