| ESSL | Earth and Space Science Laboratory
| Others |
| ESSL | Earth Science Society of Libya
| Others |
| ESSL | Earth System Science Laboratory
| Others |
| ESSL | Empire State Swim League
| Others |
| ESSL | Energy Storage Systems Lab
| Others |
| ESSL | Engineering and Scientific Subroutine Library
| Others |
| ESSL | Engineering Scientific Subroutine Library
| Others |
| ESSL | European Severe Storms Laboratory
| Others |
| ESSL | European Severe Storms Laboratory's
| Others |
| ESSL | European Slowpitch Softball League
| Others |
| ESSL | Experimental Social Science Laboratory
| Others |
| ESSL | Linkoping SAAB, S-Sweden
| Others |