sort by Rank | Alpha
| Possible Meanings | Rank |
|---|
| International Symposium on Electromagnetic Fields | *** |
| International Special Education Forum | *** |
| Index Select Equity Fund | *** |
| Information Security Executive Forum | *** |
| Inland Science and Engineering Fair | *** |
| International Society of Environmental Forensics | *** |
| Int Symp on Electromagnetic Fields | ** |
| International Student Emergency Fund | ** |
| Internatonal Science and Engineering Fair | ** |
| International Science and Engineering Foundation | ** |
| Inventory of Sustainable Energy Funds | ** |
| Indian School Equalization Formula | ** |
| International Sleep Eating Federation | ** |
| International Special Events Foundation | ** |
| International Special Event Foundation | ** |
| International Scientific and Engineering Fair | ** |
| International Science and Education Fair | * |
| Information Systems Executive Forum | * |
| Iowa Science and Engineering Fair | * |
| International Sustainable Energy Fund | * |
| International Sephardi Education Fund | * |
| International Sephardic Education Fund | * |