| Textile Research Centre | Academic & Science |
| Three Rivers College | Academic & Science |
| Toronto Research Chemicals | Academic & Science |
| Therapeutic Research Center | Academic & Science |
| Total Resource Cost | Accounts and Finance |
| Torreon | Airport Code |
| The Record Company | Business |
| Technology Resource Center | Business |
| Thermostat Recycling Corporation | Business |
| Technical Rubber Company | Business |
| The Robotic Chef | Business |
| Team Rental Car | Business |
| Trinity Capital | Business |
| Tejon Ranch Company | Business |
| Total Ring Carats | Business |
| Trash Compactor | Business |
| Transnational Referral Certification | Certifications |
| The Revival Center | Community |
| Triangle Rock Club | Community |
| Therapeutic Recreation Club | Community |
| Tennessee Robotics Club | Community |
| Technical Review Committee | Community |
| Tax Reforms Committee | Community |
| Three Ring Circus | Community |
| Translational Research Communities | Community |
| Three Rivers Conference | Community |
| Teacher Resource Center | Community |
| The Raven Cycle | Community |
| That’s Really Catchy | Community |
| Triangle Recreation Camp | Community |
| Trinity Reform College | Community |
| TIPHON Resolution Capability | Computer and Networking |
| Total Relevant Cost | Computing |
| Tivoli Remote Control | Computing |
| Time Release Crypto | Computing |
| Trusted Root Container | Computing |
| Row Cycle Time | Computing |
| Trouble Report Center | Computing |
| Table Reference Characters | Computing |
| Translate Rules to C | Computing |
| Test Recording Current | Computing |
| Terracoin | Cryptocurrency |
| Power Ctrace Debug Support File | File Type |
| Traffic Regulation Condition | General |
| Reading Challenge | General |
| The Real Continental | General |
| Tested Reference Configuration | General |
| Technical Repair Center | General |
| Technical Review Criteria | General |
| Treat Relevant Concerns | General |
| Text Reading and Comprehension | General |
| Tal Response Control | General |
| Total Resource Campaign | General |
| Tal Residual Chlorine | General |
| Telehealth Resource Centers | General |
| The Right Channels | General |
| Truth Reconciliation Conversations | General |
| Tenant Resource Center | General |
| The Recovery Center | General |
| Technical Rejection Criteria | General |
| Triple Relation Calculation | General |
| The Redstone Companies | General |
| Time Reporting Code | General |
| Tal Resource Campaign | General |
| The Renaissance Collaborative | General |
| Temperature Recorder and Controller | General |
| Tuple Relational Calculus | General |
| Touraine Racing Cars | General |
| Throw Run Catch | General |
| That Racing Channel | General |
| Teaching Resource Center | General |
| Tactical Robot Controller | General |
| Tejon Ranch Co | General |
| The Revolution Continues | General |
| tal Resource Cost | General |
| The Red Cea | General |
| tal Recordable Cases | General |
| Training Resource Center | General |
| Teen Resource Center | General |
| Track Row Column | General |
| Twin Rate Curve | General |
| The RNAi Consortium | General |
| Turbomachinery Research Consortium | General |
| Transportation Research Center | General |
| Truck Repair Center | General |
| Trailer Remote Control | General |
| Temporary Road Closure | General |
| Total Reduction Capacity | General |
| Testarossa Cabrio | General |
| Trace Control | General |
| Triumph Roadster Club | General |
| Transit Connect | General |
| Track Recording Car | Governmental |
| Twin Rail Cavity | Governmental |
| Total Recordable Rase | Governmental |
| Total Recordable Cases | Governmental |
| Towson Recreation Council | Governmental |
| Texas Railroad Commission (became RCT) | Governmental |
| Tennessee Relocation Council | Governmental |
| Texas Railroad Commission | Governmental |
| Tennessee Recycling Coalition | Governmental |
| Toronto and region conservation authority | Governmental |
| Transilvania Revistă de Cultură, Sibiu | International |
| Tanned Red Cells | Medical |
| Total Renin Concentration | Medical |
| Training Resource Centre | Medical |
| Transplant-Related Complications | Medical |
| Tennessee Rehabilitation Center | Medical |
| Turbo- Roto- Compound | Military and Defence |
| Tactical Radio Communication | Military and Defence |
| Threat Reduction Cooperation | Military and Defence |
| Transmission Release Code | Military and Defence |
| Truth and Reconciliation Commission | Regional |
| Trona Railway Company | Regional |
| Trona Railway | Regional |
| Texas Regional Collaboratives | Regional |
| Torreon, Mexico | Regional |
| Transmitter Receiver Computer | Space Science |
| Thermodynamics Research Center | Space Science |
| Telenet Racing Community | Sports |
| Trouble Rescue Club | Sports |
| Tradable Renewable Certificate | Stock Exchange |
| Technology Research Corporation | Technology |