sort by Rank | Alpha
| Possible Meanings | Rank |
| Computer Education Services Corporation | **** |
| Canadian Endangered Species Conservation | *** |
| Coordinamento Enti Servizio Civile | *** |
| Colchester English Study Centre | *** |
| Cooperative Educational Services CES | *** |
| Conference on European Security and Cooperation | *** |
| Committee on Economic Social and Cultural | *** |
| Commonwealth Enterprise Solutions Center | *** |
| China Education Service Center | *** |
| Collegiate Educational Service Corps | *** |
| Consulting Engineers of South Carolina | ** |
| Canadian Endangered Species Coalition | ** |
| Council of Europe Social Charter | ** |
| Component Encoding Stream Construction | ** |
| Coalition for Environmentally Safe Communities | ** |
| Council for the English Speaking Community | ** |
| calcutta electricity supply corporation | ** |
| College of Education Student Council | ** |
| Community Energy Services Corporation | ** |
| Calcutta Electric Supply Company | ** |
| Chamundeshwari Electricity Supply Corporation | ** |
| Calcutta Electricity Supply Company | ** |
| Career Employment Services Council | ** |
| Carver Educational Services Center | ** |
| Canadian Earth Summit Coalition | ** |
| Central Emergency Support Centre | ** |
| Computational Engineering and Science Conference | ** |
| Christian Environmental Studies Center | * |
| Competitive Edge Sports Camp | * |
| Covenant on Economic Social and Cultural | * |
| Commissions for Economic and Social Cohesion | * |
| Community Engagement Steering Committee | * |
| Corps of Engineers Sailing Club | * |
| Clean Energy Steering Committee | * |
| Center of Excellence for Special Crops | * |
| Chief Executive Standing Conference | * |
| China Economic and Social Council | * |
| Caveland Educational Support Center | * |
| Clarks Energy Services Corporation | * |
| Combat Extremity Surgery Course | * |
| Congreso Estudiantil de Computación | * |
| Capital Equipment Sales Carol | * |
| Career Explorers Series of Caree | * |
| Chip Express Santa Clara | * |
| Club Espana Southern California | * |
| Commissioner of Elbonian Spoon Combat | * |