| Rank | Abbreviation | Meaning |
|---|
| ***** | ICHS | Institute of Community Health Sciences
| |
| **** | ICHS | Island County Historical Society
| |
| *** | ICHS | Inner City High School
| |
| *** | ICHS | Ionia County Humane Society
| |
| *** | ICHS | Internal Cargo Handling System
| |
| *** | ICHS | Internal Coal Handling System
| |
| *** | ICHS | International Community High School
| |
| *** | ICHS | Independence Charter High School
| |
| *** | ICHS | International Centre for Health and Society
| |
| *** | ICHS | Instituto de Ciências Humanas e Sociais
| |
| *** | ICHS | Illini Central High School
| |
| ** | ICHS | International Center for Human Sciences
| |
| ** | ICHS | International Committee of Historical Sciences
| |
| ** | ICHS | International Conference on Hydrogen Safety
| |
| ** | ICHS | Implementation Committee of the Heads of State
| |
| * | ICHS | Island Coast High School
| |
| * | ICHS | Interdisciplinary Center for Hellenic Studies
| |
| * | ICHS | International Congresses of History of Science
| |
| * | ICHS | Indian Creek High School
| |
| * | ICHS | I Could Have Sworn
| |
| * | ICHS | Illinois Central Historical Society
| |
| * | ICHS | International Congress on History of Science
| |
| * | ICHS | International Council of Homehelp Services
| |
| * | ICHS | Ibaraki Christian High School
| |
| * | ICHS | intracerebral hemorrhages
| |