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