| ECES | Certified Encryption Specialist 
| Others |
| ECES | Eagle Crest Elementary School
| Others |
| ECES | Early Childhood Education and Services
| Others |
| ECES | Early Childhood Education Services
| Others |
| ECES | Early Childhood Education Study
| Others |
| ECES | Early County Elementary School
| Others |
| ECES | Earth Crash Earth Spirit
| Others |
| ECES | East and Central European Studies
| Others |
| ECES | East Central European Studies
| Others |
| ECES | East Clayton Elementary School
| Others |
| ECES | East Coast Extreme Showoff
| Others |
| ECES | Ecological Chemistry and Engineering S
| Others |
| ECES | Ecology and Civil Engineering Society
| Others |
| ECES | Economical Civil Engineering Software
| Others |
| ECES | Edgerton Christian Elementary School
| Others |
| ECES | Egyptian Center for Economic Studies
| Others |
| ECES | Egyptian Centre for Economic Studies
| Others |
| ECES | Electronic Computer Engineering Society
| Others |
| ECES | Electronics and Communications Engineering Society
| Others |
| ECES | Elite Cleaning and Environmental Services
| Others |
| ECES | Elizabeth Cashwell Elementary School
| Others |
| ECES | Elliptic Curve Encryption Scheme
| Others |
| ECES | Emergency Communications Educational Summit
| Others |
| ECES | Energy Conservation and Energy Storage
| Others |
| ECES | Environmental Cost Element Structure
| Others |
| ECES | European Centre for Electoral Support
| Others |
| ECES | Expeditionary Civil Engineer Squadron
| Others |
| ECES | Extension Communications & Educational Support
| Others |
| ECES | Extension Continuing Education Solutions
| Others |