| In-Mould Decoration | Academic & Science |
| Indian Medical Department | Academic & Science |
| International Institute for Management Development | Academic & Science |
| Indian Meteorological Department | Academic & Science |
| Imonda | Airport Code |
| India Millennium Deposits | Banking |
| Integrated Medical Development | Business |
| Integrated Motor Drive | Business |
| Independent Media Distributors (de-listed) | Business |
| Imdex, LTD. | Business |
| Innovative Medical Devices | Business |
| Initial Marketing Data | Business |
| Institute for Management Development | Business Management |
| Information Management Division | Business Management |
| Investigating Media Demographics | Community |
| Inspiring Moral Discipline | Community |
| Independent Media Distribution | Community |
| Interactive Media Design | Community |
| Institute of Management Development | Community |
| Institute of Music Dance | Community |
| Inter Modulation Distortion | Computer and Networking |
| Image Design | Computing |
| Internet Movie Database | Computing |
| Ibm Micro Drive | Computing |
| Integrated Management Display | Computing |
| India Meteorological Department | Department of Ministry of Earth Sciences |
| Institutes of Mental Diseases | Disease |
| Inter-metal Dielectric | Electronics |
| Inter-modulation Device | Electronics |
| Integrated Module Dataset | General |
| Intelligent Machine Discovery | General |
| Internationales Musikinstitut Darmstadt | General |
| In My Dream | General |
| Isolated Magnetic Dipole™ | General |
| Inherited Metabolic Disorders | General |
| ITAP Molecular Dynamics | General |
| In Mold Decoration | General |
| Interactive Map Definition | General |
| Interactive Multiplex Document | General |
| Interactive Multimedia and Design | General |
| In My Dreams | General |
| Isiasi Menyusui Dini | General |
| IML in Mold Decoration | General |
| Ignition Monitor Detect | General |
| Improper Mountain Driving | General |
| Incomplete Medium Duty | General |
| Igsh Military District | Governmental |
| Individual Motor Drive | Governmental |
| Inter Magazine Distance | Governmental |
| International Marconi Day | International |
| International Museum Day | International |
| In My Defence | Internet |
| Illinios Medical District | Medical |
| Illinois Medical District | Medical |
| Index of Multiple Deprivation | Medical |
| Invasive Meningococcal Disease | Medical |
| Institution for Mental Diseases | Medical |
| Invasive mold disease | Medical |
| immune deficiency | Medical |
| Immune-Mediated Disease | Medical |
| Index of Multiple Deprivations | Medical |
| Inherited Metabolic Disease | Medical |
| Institute for Mental Diseases | Medical |
| Irish Medical Directory | Medical |
| International Medical Devices | Medical |
| Institutions for Mental Diseases | Medical |
| Institutions for Mental Disease | Medical |
| Institutions of Mental Disease | Medical |
| Institution for Mental Disease | Medical |
| Institute for Mental Disease | Medical |
| Information Management Document | Messaging |
| Insert Mounted Device | Military and Defence |
| Interactive Molecular Dynamics | Physics Related |
| Interim Multiple Dwelling | Real Estate |
| Imonda, Papua New Guinea | Regional |
| Intermediate | Space Science |
