sort by Rank | Alpha
| Possible Meanings | Rank |
| Integrated Energy Services | **** |
| Integrated Enterprise Solutions | **** |
| Integrated Engineering Solutions | **** |
| Intelligent Educational Systems | **** |
| International Education Society | **** |
| Industrial Emergency Services | **** |
| Isokinetics and Exercise Science | **** |
| Integrated Enterprise System | **** |
| International Education Software | **** |
| Interconnected Electric System | **** |
| Image Enhancement System | **** |
| Industrial Economics Strategy | **** |
| Infrared Emission Spectroscopy | **** |
| Integrated Electronic Systems | **** |
| Integrated Environmental Services | **** |
| Innovative Enterprise Software | **** |
| Integrated Environmental Systems | **** |
| Initiatives and Social | **** |
| Independent Energy Systems | **** |
| Institute of Environmental Sustainability | **** |
| Integrated Engineering Software | **** |
| International Economic Statistics | **** |
| International Employment Services | **** |
| Inventec Enterprise System | **** |
| International Encyclopedia of Statistics | **** |
| Institute of Economic Sciences | **** |
| Industrial Engineering Solutions | **** |
| Integral Equation Solution | **** |
| Institution of Engineers Singapore | **** |
| Integrated Electrical Services | **** |
| Indoor Environmental Services | **** |
| Infrastructure Engineering Services | **** |
| International Education Services | **** |
| Integrated Energy Solutions | **** |
| International Executive Services | **** |
| International Education Symposium | **** |
| International Environmetrics Society | **** |
| International Ecotourism Standard | **** |
| Industrial Electronics Society | **** |
| Inman Elementary School | *** |
| International Endotoxin Society | *** |
| Impact of Events | *** |
| Indoor Environmental Solutions | *** |
| Impact Evaluation System | *** |
| International Experience Study | *** |
| Ipswich East Suffolk | *** |
| Institute for Energy Systems | *** |
| Impact Event Scale | *** |
| ICLEI Energy Services | *** |
| Integrated E Solutions | *** |
| Innovative Employment Solutions | *** |
| Integrated Economic Space | *** |
| Instituto de Estudios Superiores | *** |
| Italian Elite Shares | *** |
| Impact of Events Scale | *** |
| Infrastructure and Emergency Services | *** |
| Innovative Environmental Services | *** |
| Industrial Embedded Systems | *** |
| Institute for Security | *** |
| Import and Export Solutions | *** |
| International Energy Systems | *** |
| Illumination Engineering Society | *** |
| International Economic Society | *** |
| Incisive Enterprise Simulator | *** |
| International Electronic Systems | *** |
| Institute of Engineers Singapore | *** |
| Institute for Education Sciences | *** |
| Investigating Earth Systems | *** |
| Internet Escrow Services | *** |
| International Educational Software | *** |
| Industrial Electronic Service | *** |
| Institute of Environment and Sustainability | *** |
| Ionospheric Effects Symposium | *** |
| Island Environmental Services | *** |
| Integrated Encryption Scheme | *** |
| Integrated Engineered Systems | *** |
| International Energy Solutions | *** |
| Innovation for Environmental Sustainability | *** |
| Indian Economic Summit | *** |
| International Educational Services | *** |
| Industrial Electronic Seminar | *** |
| International Education Systems | *** |
| Information Engineering Services | *** |
| Intelligent Engineering System | *** |
| Information Exploration Shootout | *** |
| Internationella Engelska Skolan | *** |
| ISKCON Educational Services | *** |
| Institution of Environmental Sciences | *** |
| International Encyclopedia of Sexuality | *** |
| International Economic Summit | *** |
| Institute of Electronic Systems | *** |
| Intelligent Engineering Solutions | *** |
| Integrated Energizing System | *** |
| International Enterprise Singapore | *** |
| Integrated Electronic Solutions | *** |
| Integrated Exploration Systems | *** |
| Indian Economic Service | *** |
| International EPR Society | *** |
| International Exchange Services | *** |
| International Executive Seminar | *** |
| International Educational Symposium | *** |
| Innovative Education Systems | *** |
| Irrigation Equipment Supply | *** |
| Integrated Education Services | *** |
| Illuminating Engineers Society | *** |
| integr elec svs | *** |
| Institutional Effectiveness System | *** |
| INDUSTRY EXECUTIVE SUBCOMMITTEE | *** |
| Institute of Ecology and Systematics | *** |
| Israel Exploration Society | *** |
| Integrated Electrical Svc | *** |
| Inlet Exhaust Systems | *** |
| Internal Eliminated Sequences | *** |
| Intelligent Ethanol Systems | *** |
| Intra Europe Service | *** |
| Imperial Employment Services | *** |
| Institute of Ecosystem Science | *** |
| Internet Engineering Steering | *** |
| Institute for Educational Sciences | *** |
| Internet Engineering Systems | *** |
| Intelligence for Environment and Security | *** |
| Internally Eliminated Sequences | *** |
| Information and Engineering Systems | *** |
| Integrated Environmental Solutions | *** |
| Integrated Enterprise Scheduling | *** |
| Institute for Environmental Science | *** |
| Interactive Educational Services | *** |
| Institute of Economic Security | *** |
| Income and Expenditure Survey | *** |
| Icareus Entertainment Solutions | *** |
| Imagery Exploitation Station | *** |
| Integrated Enclosure Solution | *** |
| International Education Standards | *** |
| International Economics Section | *** |
| ict educational services | *** |
| Integrated Employment System | *** |
| Indian Endodontic Society | *** |
| International Exhibition Services | *** |
| Industrial Engineering Society | *** |
| Inc Eagle Software | *** |
| Income and Expenditure Surveys | *** |
| Iluminating Engineering Society | *** |
| Interrupt Edge Select | *** |
| Info Electronics Systems | *** |
| Institute of Ecological Science | *** |
| Intelligent Expert System | ** |
| Integrated Engineering Services | ** |
| Itasca Elementary School | ** |
| immune-endocrine system | ** |
| inferior esophageal sphincter | ** |
| inspiratory effort sensation | ** |
| Interictal epileptic spikes | ** |
| intermediate endolymphatic sac | ** |
| intermittent electrical stimulations | ** |
| intracerebral electrical stimulation | ** |
| intracranial electrical stimulation | ** |
| International Expert Systems | ** |
| INFONET E Solutions | ** |
| Information Exchange Services | ** |
| Integrated Education Software | ** |
| International Educational Systems | ** |
| International Ecotourism Society | ** |
| International Endovascular Symposium | ** |
| Inclusive Education Service | ** |
| Institution Equity Scholarships | ** |
| Impact of Event score | ** |
| splicing enhancer sequence | ** |
| Industrial Electrical Services | ** |
| Innovative Environmental Solution | ** |
| internet express scandinavia | ** |
| Integrated Election Software | ** |
| Indiana Electrical Sales | ** |
| Istrabenz Energetski Sistemi | ** |
| Illuminating Engineer Society | ** |
| Ion Engine Systems | ** |
| Institute for Education Statistics | ** |
| Industrial Engine Supply | ** |
| Industrial Electronics Seminar | ** |
| integrated elec svcs | ** |
| Independent Escape Sequence | ** |
| Internet EBusiness Solutions | ** |
| Institution Educational Services | ** |
| International Enescu Society | ** |
| Integrated Enclosure System | ** |
| falciparum-infected erythrocytes | ** |
| parasite-infected erythrocytes | ** |
| Intervega Education Services | ** |
| Inland Empire Swimming | ** |
| ID Emission Source | ** |
| Integrated Engineering Station | ** |
| International Environment Services | ** |
| Imperial Examination System | ** |
| integrated electrical svcs | ** |
| Internal Eliminated Segments | ** |
| Integrated Electromagnetic System | ** |
| Interlake Employment Services | ** |
| Ibaba Elementary School | ** |
| Institute for Education Science | ** |
| Institute for Earth Sciences | ** |
| Internal Eliminated Sequence | ** |
| Institute of Environment Sustainability | ** |
| International Exhibition of Speaker | ** |
| Plasmodium falciparum-infected erythrocytes | ** |
| Integrated Electrical Systems | ** |
| International Expanding Shafts | ** |
| Institution of Engineers and Shipbuilders | ** |
| Intelligent Education System | ** |
| Indigenous Employment Steering | ** |
| Inspection and Evaluation Section | ** |
| international economical services | ** |
| Irish Ergonomics Society | ** |
| Integrated Election System | ** |
| Intelligent Enterprise Solutions | ** |
| Industrial and Engineering Systems | ** |
| Internal Evaluation Services | ** |
| Irmo Elementary School | ** |
| Integrated Education Solutions | ** |
| Intelligent Environmental Sensor | ** |
| Inter Enterprise Systems | ** |
| Internet Energy Systems | ** |
| India Environmental Society | ** |
| instrument engineering section | ** |
| Integrated Enterprise Systems | ** |
| Integrated Ethernet Switch | ** |
| Interest and Emotion Sensitive | ** |
| Information Extraction System | ** |
| Integrated Electronics Suite | ** |
| Intelligent Evacuation System | ** |
| Italo Ethiopian Society | ** |
| IBM Educational Systems | ** |
| Ilagan Experiment Station | ** |
| Illumination Engineers Society | * |
| Image Editing Software | * |
| Imagery Exploitation System | * |
| Independent Exchange Services | * |
| Individualized Education Services | * |
| Indonesian Entrepreneur Society | * |
| Infolab Enterprise Server | * |
| Informe Et Sensibilise | * |
| Ingal Environmental Services | * |
| Innovative Energy Systems | * |
| Innovative Engineering Solutions | * |
| Intelligent Electronic Systems | * |
| Intelligent Energy Systems | * |
| International English Service | * |
| Impact Events Scale | * |
| Inc ETelligent Solutions | * |
| Instituciones de Educaci=n Superior | * |
| Instructionally Effective School | * |
| Integrated EMed Solutions | * |