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