| Rank | Abbreviation | Meaning |
|---|
| ***** | ANEC | Acute Necrotizing Encephalopathy of Childhood
| |
| *** | ANEC | European Association for the Co-ordination of Consumer Representation in Standardisation
| |
| *** | ANEC | Asociación Nacional de Enfermeras de Colombia
| |
| *** | ANEC | Asociación Nacional de Empresas Comercializadoras de Productores del Campo AC
| |
| *** | ANEC | Associazione Nazionale Esercenti Cinema
| |
| ** | ANEC | Asociación Nacional de Empresas Comercializadoras
| |
| ** | ANEC | Affiliated Non-Conventional Energy Center
| |
| ** | ANEC | Associação Nacional dos Exportadores de Cereais
| |
| * | ANEC | Associação Nacional de Educação Católica
| |
| * | ANEC | American Natural Energy Corp
| |
| * | ANEC | American Nigerian Economic Council
| |
| * | ANEC | Asociación Nacional de Economistas de Cuba
| |
| * | ANEC | Aircraft Noise and Emissions Committee
| |
| * | ANEC | Australian noise exposure class
| |
| * | ANEC | Advanced Network Engineering Consultants
| |
| * | ANEC | 3-Azido-N-ethylcarbazole
| |
| * | ANEC | Advanced Network Engineering Consultants Limited
| |
| * | ANEC | Asociación Nacional de Estudiantes Católicos
| |
| * | ANEC | Association of North East Councils
| |
| * | ANEC | American Natural Energy Corporation
| |
| * | ANEC | A N Electric Cooperative
| |
| * | ANEC | American Nuclear Energy Council
| |
| * | ANEC | Armenian National Education Committee
| |
| * | ANEC | Acute Non Emphysematous Cholecystitis
| |
| * | ANEC | Australian Noise Exposure Concept
| |