| Rank | Abbreviation | Meaning |
|---|
| ***** | ESSG | Entente Sportive St. Georges des Gardes
| |
| ***** | ESSG | Environmental Sustainability Study Group
| |
| ***** | ESSG | European Spondyloarthropathy Study Group
| |
| **** | ESSG | Enterprise-Wide Solutions Steering Group
| |
| **** | ESSG | El Salvador Support Group
| |
| **** | ESSG | European Service Support Group
| |
| **** | ESSG | Enterprise Security Solutions Group
| |
| **** | ESSG | Electrical Safety Support Group
| |
| **** | ESSG | Enterprise Solutions Steering Group
| |
| **** | ESSG | Enterprise Solutions Services Group
| |
| **** | ESSG | Environment and Social Services Group
| |
| **** | ESSG | European Special Situations Group
| |
| **** | ESSG | Education and Skills Strategy Group
| |
| **** | ESSG | Entente Sannois Saint Gratien
| |
| **** | ESSG | E-Smith Server and Gateway
| |
| **** | ESSG | Enterprise Software Sales Group
| |
| **** | ESSG | Earth Surface Studies Group
| |
| **** | ESSG | Engineer Strategic Studies Group
| |
| **** | ESSG | European System and Support Group
| |
| **** | ESSG | Equity Special Situations Group
| |
| **** | ESSG | Engineering School of Saint Gallen
| |
| *** | ESSG | Electronics and Sensor Systems Group
| |
| *** | ESSG | Engineered Systems and Services Group
| |
| *** | ESSG | Executive Search Selection Group
| |
| *** | ESSG | Education Strategy Steering Group
| |