| Rank | Abbreviation | Meaning |
|---|
| ***** | ACEF | Association pour le crédit et l'épargne des fonctionnaires
| |
| ***** | ACEF | Alabama Chicken and Egg Festival
| |
| **** | ACEF | Asociación Colombiana de Ejecutivos de Finanzas
| |
| **** | ACEF | Access Control Enforcement Function
| |
| *** | ACEF | American Canine Education Foundation, Inc
| |
| *** | ACEF | All China Environmental Federation
| |
| *** | ACEF | Alliance for the Conservation of Exotic Felines
| |
| *** | ACEF | Advanced Concept Evaluation Facility
| |
| *** | ACEF | American Consumer Education Foundation
| |
| *** | ACEF | Armenian Church Endowment Fund
| |
| *** | ACEF | All China Environment Federation
| |
| *** | ACEF | Association Canadienne d'Études Fiscales
| |
| *** | ACEF | Ada Compiler Evaluation Facility
| |
| *** | ACEF | Associação Catarinense de Engenheiros Florestais
| |
| ** | ACEF | Agricultural Competitive Enhancement Fund
| |
| ** | ACEF | Agricultural Competitiveness Enhancement Fund
| |
| ** | ACEF | Alcatel Carrier Environment Internet System
| |
| ** | ACEF | Aircraft Cabin Evacuation Facility
| |
| ** | ACEF | Asian Clean Energy Fund
| |
| ** | ACEF | Angel Capital Education Foundation
| |
| ** | ACEF | Association du Centre Equestre de Fenin
| |
| ** | ACEF | American Clearinghouse on Educational Facilities
| |
| ** | ACEF | Arkansas Construction Education Foundation
| |
| * | ACEF | ACEF
| |
| * | ACEF | Asociación Cántabra de Enfermos de Fibromialgia
| |