sort by Rank | Alpha
| Possible Meanings | Rank |
| Carrier Ethernet Switch Router | **** |
| Center for Economic Self Reliance | **** |
| Carrier Ethernet Switches and Routers | *** |
| Central Eurasian Studies Review | *** |
| Centre for Space Research | *** |
| Center for Economic Social Rights | *** |
| Carrier Ethernet Switch Routers | *** |
| Corporate Environmental Social Responsibility | *** |
| Center for Environmental Systems Research | *** |
| Centre for Economic and Social Rights | *** |
| Center for Ergonomics and Safety Research | *** |
| Center for Scholarship and Research | *** |
| Center for Embedded Systems Research | ** |
| Centre for Environmental Systems Research | ** |
| Centre for Employment Studies Research | ** |
| Central Europe Supplier Responsibility | ** |
| Committee for European Securities Regulators | ** |
| Commitee of European Securities Regulators | ** |
| Consortium for the Economic Study of Religion | ** |
| centralis superior raphe nucleus | ** |
| Centre for Economic and Strategic Research | ** |
| Confirming Eligibility for Specialist Registration | ** |
| Committee of European Security Regulators | ** |
| Center for Efficient Scalable and Reliable | ** |
| Coalition for Energy Self Reliance | ** |
| Council of European Securities Regulators | ** |
| Coalition for Economic and Social Research | * |
| Committee of European Securitis Regulators | * |
| Contractor Estimating System Reviews | * |
| Control Event Select Register | * |
| Center for Earth System Research | * |
| Centre of Energy Studies and Research | * |
| Canada Earth Science Research | * |