| Acronym | Definition |
|---|
| TNEC➣Temporary National Economic Committee (US congressional committee that studied monopolistic practices during 1938-1939) |
| TNEC➣The New England Consortium (est. 1987; work safety) |
| TNEC➣Tamil Nadu Environment Council (India) |
| TNEC➣Thailand Network of Eco-Efficiency and Cleaner Production (Thailand) |
| TNEC➣Taipei National Enterprise Center (est. 1991; Taiwan) |