| Rank | Abbreviation | Meaning |
|---|
| ***** | IASG | Internetwork Address Sub-Group (ATM Forum, MPOA SWG)
| |
| **** | IASG | International Anandron Study Group
| |
| **** | IASG | Indiana Association of Students of German
| |
| *** | IASG | Impact Analysis Strategies Group
| |
| *** | IASG | Institutional Advisory Services Group
| |
| *** | IASG | Information Assurance Student Group
| |
| *** | IASG | Insurance and Acturial Society Glasgow
| |
| *** | IASG | Internet Addiction Support Group
| |
| *** | IASG | Inter Agency Support Group
| |
| *** | IASG | Insurance and Actuarial Society Glasgow
| |
| *** | IASG | Internet Address Subgroup
| |
| ** | IASG | Integrated Alarm Services Group
| |
| ** | IASG | Intelligent Autonomous Systems Group
| |
| ** | IASG | Internetwork Address SubGroup
| |
| * | IASG | Internet Address Summary Group
| |
| * | IASG | International Auto Sector Group
| |
| * | IASG | Integrated Alarm Services Group, Inc.
| |
| * | IASG | Interagency Aerial Supervision Guide
| |
| * | IASG | Impact Assessment Steering Group
| |
| * | IASG | Institutional Audit Steering Group
| |
| * | IASG | International Artist Support Group
| |
| * | IASG | International Automotive Sector Group
| |
| * | IASG | Internet Address Summarization Group
| |
| * | IASG | International Association of Surgeons and Gastroenterologists
| |
| * | IASG | International Airline Support Group
| |