| Acronym | Definition |
|---|
| RETC➣Registro de Emisiones y Transferencia de Contaminantes |
| RETC➣Regional Educational Technology Center (Fordham University; New York) |
| RETC➣Renewable Energy Tax Credit |
| RETC➣Renewable Energy Technology Center GmbH (Germany) |
| RETC➣Regional Emergency Transportation Center |
| RETC➣Real Estate Tax Consultants, Inc. (various locations) |