sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| Institution of Professional Engineers | **** |
| Ideas and Practical Experience | **** |
| Institute of Professional Engineers | **** |
| International Search and Preliminary Examination | *** |
| In the Student Poster | *** |
| Indian School of Political Economy | *** |
| International Society for Pharmacoeconomics | *** |
| Indiana Society of Professional Engineers | *** |
| Instant Support Professional Edition | *** |
| International Symposium on Power Electronics | *** |
| International Society of Pharmaceutical Engineering | *** |
| International Society for Pharmaceutical Engineers | *** |
| Independent Study Physical Education | *** |
| International Scientific Products Exchange | *** |
| International Seminar in Public Economics | ** |
| International Society of Pharmacovigilance | ** |
| In Service Performance Evaluation | ** |
| International Shark Photo Exposition | ** |
| Institute for Sorption and Problems of Endoecology | ** |
| Institute of Skin and Product Evaluation | ** |
| International Society of Productivity Enhancement | ** |
| International Society of Professional Engineers | ** |
| International Seminar on Public Economics | ** |
| International Society for Pharmaco Epidemiology | ** |
| Indiana Society of Pacing and Electrophysiology | ** |
| Institute for Social Programme Evaluation | ** |
| International Society of Parametric | ** |
| Institute for the Study of the Planet Earth | ** |
| Institute for the Study of Political Economy | ** |
| Inst for the Study of Planet Earth | ** |
| International Symposium on Polymer Electrolytes | ** |
| Institute for the Society of Pharmaceutical Engineers | ** |
| International Society for Professional Engineers | ** |
| International Society of Pharmaco Epidemiology | ** |
| International Society of Pharmacoeconomics | ** |
| Integrated Standardized Patient Examination | * |
| Intelligent Systems in Process Engineering | * |
| International Society for Photogrammetry | * |
| International Society for Productivity Enhancements | * |
| Intronic Splicing Processing Element | * |
| Industrial Society of Pharmaceutical Engineers | * |
| International Society of Philosophical Enquiry | * |
| Intron Splicing Processing Element | * |
| Istituto Studi Programmazione Economica | * |
| International Society for Peritoneal | * |
| Institute of Supplementary Professional Education | * |
| International Society of Planetarium Educators | * |