| CEEF | California Environmental Education Foundation 
| Others |
| CEEF | Campus Energy Efficiency Fund
| Others |
| CEEF | Canadian Education Exchange Foundation
| Others |
| CEEF | Cape Elizabeth Education Foundation
| Others |
| CEEF | Center for Energy EFficiency
| Others |
| CEEF | Central and Eastern European Fund
| Others |
| CEEF | Children Education Empowerment Foundation
| Others |
| CEEF | City of Evansville Endowment Fund
| Others |
| CEEF | Closed Ecology Experiment Facilities
| Others |
| CEEF | Commercializing Energy Efficiency Finance
| Others |
| CEEF | Community Events Endowment Fund
| Others |
| CEEF | Concordia Elementary Educational Foundation
| Others |
| CEEF | Connecticut Energy Efficiency Fund
| Others |
| CEEF | Consumer Energy Education Foundation
| Others |
| CEEF | Corning Elementary Educational Foundation
| Others |
| CEEF | Cost-Effective, Environment Friendly
| Others |
| CEEF | Cumulus Expansion Enabling Factor
| Others |
| CEEF | Cupertino Educational Endowment Foundation
| Others |
| CEEF | Cynthia Earley Educational Foundation
| Others |