| IESA | Illinois Electronic Security Association 
| Others |
| IESA | Illinois Elementary School Association
| Others |
| IESA | India Electronics and Semiconductor Association
| Others |
| IESA | India Energy Storage Alliance
| Others |
| IESA | Indiana Education Savings Authority
| Others |
| IESA | Infogrames Entertainment, S. A.
| Others |
| IESA | Institute for Environmental and Spatial Analysis
| Others |
| IESA | Institute for Environmental Spatial Analysis
| Others |
| IESA | Institutional Electronic Subscription Agreement
| Others |
| IESA | Instituto de Estudios Superiores de Administracion
| Others |
| IESA | interactive Energy Savings Account
| Others |
| IESA | International Elite Soccer Academy
| Others |
| IESA | International Eskrima Serrada Association
| Others |