| TRDC | Takasago Research & Development Center (Mitsubishi Heavy Industries; Japan) 
| Others |
| TRDC | Tana River Development Company (Kenya)
| Others |
| TRDC | Texas Rural Development Council (Austin, TX)
| Others |
| TRDC | The Rural Development Centre (Australia)
| Others |
| TRDC | Thirumurthy Rural Development Center
| Others |
| TRDC | Thirumurthy Rural Development Centre
| Others |
| TRDC | Three Rivers District Council
| Others |
| TRDC | Tire Room Delivery Conveyor
| Others |
| TRDC | Total Resource Development Campaign
| Others |
| TRDC | Tourism Reference and Documentation Centre (Canadian Tourism Commission)
| Others |
| TRDC | Toyota Racing Development Crew
| Others |
| TRDC | Track Racing Drivers Club
| Others |
| TRDC | Triangle Research Data Center
| Others |
| TRDC | Tropical Research and Development Centre
| Others |