| Electronic Materials Incorporated | Academic & Science |
| Engineering Mechanics Institute | Academic & Science |
| Equated Monthly Instalment | Accounts and Finance |
| Electronic Money Institution | Accounts and Finance |
| Equal Monthly Installment | Accounts and Finance |
| Emirau | Airport Code |
| Equated Monthly Installment | Banking |
| Electric Musical Industries | Business |
| Easy Monthly Installments | Business |
| Executive Management Institute | Business |
| Engine Monitor Inc | Business |
| Enterprise Management Incentives | Business |
| Enterprise Management Incentive | Business |
| English Musical Industries | Business |
| Email Marketing Insights | Business |
| Enewsletter Marketing Insights | Business |
| Electrical Musical Industries | Business |
| Electrical Music Industries | Business |
| Electronic and Musical Industries | Business |
| Electrical and Mechanical Industries | Business |
| Elevator Moods International | Business |
| Emergency Management Institute's | Business |
| Energy Management Institute | Business Management |
| Emergency Management Issues | Business Management |
| Education Mentoring and Investment | Community |
| Extreme Mathematical Incompetence | Community |
| Electronic Music Industry | Community |
| Energy and Musical Instruments | Community |
| Empowering Multicultural Initiatives | Community |
| Ecumenical Ministries of Iowa | Community |
| Educably Mentally Impaired | Community |
| Electrical And Musical Instuments | Community |
| Electrical Musical Instruments | Community |
| Electromaagnetic Interference | Community |
| Electrical and Musical Industries | Community |
| Educate, Motivate, and Inspire | Community |
| Electric and Musical Industries | Community |
| Engineering Ministries International | Community |
| Electromagnetic Interference | Computer and Networking |
| Exchange Message Interface (Bellcore standard for data transmission between RBOC/LEC | Computer and Networking |
| Energy Management Interface | Computer Hardware |
| External Memory Interface | Computer Hardware |
| Experiments in Musical Intelligence | Computing |
| External Machine Interface | Computing |
| E-Marketing Institute | Computing |
| Equal Monthly Installments | Finance |
| Eye Movement Integration | General |
| Excuse My Ignorance | General |
| Equated Monthly Instalments | General |
| Extending Math INTELLIGENCE | General |
| Enhanced Multilayer Image | General |
| Eurovent Market Intelligence | General |
| Express Manufacturing Inc | General |
| Every Mastering Insignificant | General |
| Electro Magnetic Induction | General |
| Extended Maintenance Interval | General |
| Einspritzmengen Indikator | General |
| Every Mistake Imaginable | General |
| Eat More Index | General |
| Express Mail International | General |
| Emerging Microbes and Infections | General |
| Electro Mechanical Industries | General |
| Early Man Images | General |
| Earthquake and Megacities Initiative | General |
| Equated Monthly Installments | General |
| Elderly Mentally Ill | Governmental |
| Emergency Management Institute | Governmental |
| Employment Market Information | Governmental |
| Emergency Medical International | International |
| Electronic Medical Information | Medical |
| Egg Marketing Inspectorate | Medical |
| Elderly Mentally Infirm | Medical |
| elderly mentally ill (older people with mental illness) | Medical |
| Emergency Medical Information | Medical |
| extramedullary infiltration | Medical |
| Electromagnetic Interface | Military and Defence |
| Extra Military Instruction | Military and Defence |
| Emirau, Papua New Guinea | Regional |
| European Middleware Initiative | Regional |
| European Monetary Institute | Stock Exchange |
| Emirau Airport | Transport & Travel |