| International Meeting on Chemical Sensors | Academic & Science |
| International Movement of Catholic Students | Academic & Science |
| Information Management and Communications Support | Business |
| Information Management Computer Security | Business |
| Interim Management Consultancy Services | Business |
| Information Management Communications Services | Business |
| Identity Management Customer Support | Business |
| Inventory Management Control Services | Business |
| Instructional Media Collections and Services | Community |
| International Media and Communications Studies | Community |
| International Membrane Computing Society | Computing |
| In Memory Computing Summit | Computing |
| In Memory Columnar Store | Computing |
| Institute of Mathematics and Computer Science | Computing |
| Indexed Mast Curve System | General |
| Indexed Mast Check System | General |
| Integrated Machinery Control System | General |
| International Meeting on | General |
| Infrastructure Monitoring and Control System | General |
| Integrated Micro Chromatography Systems | General |
| Inertial Microfluidic Cell Stretcher | General |
| Iridium Multi Channel System | General |
| Index Mast Check System | General |
| Improved Combustion System | General |
| Institute of Marine and Coastal Science | Governmental |
| Instrumentman Senior Chief Petty Officer | Governmental |
| Institute of Marine and Coastal Sciences | Governmental |
| International Mornington Crescent Society | International |
| Integrated Medical Case Solutions | Medical |
| Immediate Medical Care Services | Medical |
| International Mountain Climbing School | Sports |
