| TREC | T-cell receptor excision circles 
| Others |
| TREC | T-cell receptor excision circles
| Others |
| TREC | Taking Risks Experiencing Christ
| Others |
| TREC | Tallapoosa River Electric Cooperative
| Others |
| TREC | Tallapoosa River Electric Cooperative
| Others |
| TREC | Tamworth Regional Entertainment Centre
| Others |
| TREC | Tamworth Regional Entertainment Centre
| Others |
| TREC | Taste Relish Experience Celebrate
| Others |
| TREC | Teacher Recognition and Effectiveness Committee
| Others |
| TREC | Technique de Randonnee Equestre de Competition
| Others |
| TREC | Techniques de Rondonee Equestre de Competition
| Others |
| TREC | Technology Resource Education Center
| Others |
| TREC | Teen Religious Education Center
| Others |
| TREC | Teen Residents Encounter Christ
| Others |
| TREC | Tehran Regional Electricity Company
| Others |
| TREC | Tennessee Real Estate Commission
| Others |
| TREC | Terrestrial Robotics Engineering and Controls
| Others |
| TREC | Teton Regional Economic Coalition
| Others |
| TREC | Teton Regional Economic Coalition
| Others |
| TREC | Texas Real Estate Commission
| Others |
| TREC | Text Retrieval Conference
| Others |
| TREC | Text Retrieval Conference
| Others |
| TREC | The Real Estate Council
| Others |
| TREC | The Real Estate Council
| Others |
| TREC | The Remarkable Explorers Club
| Others |
| TREC | Theodore Roosevelt Education Center
| Others |
| TREC | Theodore Roosevelt Education Center
| Others |
| TREC | Therapeutic Riding Equestrian Center
| Others |
| TREC | Therapeutic Riding Equestrian Center
| Others |
| TREC | Therapeutic Riding of Erie County
| Others |
| TREC | Think Reflect Engage and Connect
| Others |
| TREC | Thomas and Reel Engineering Consultants
| Others |
| TREC | Thomas and Reel Engineering Consultants
| Others |
| TREC | Tolerance Responsibility Empathy Caring
| Others |
| TREC | Tom Ridge Environmental Center
| Others |
| TREC | Tom Ridge Environmental Center
| Others |
| TREC | Toronto Renewable Energy Co
| Others |
| TREC | Tradable Renewable Energy Certificate
| Others |
| TREC | Tradable Renewable Energy Certificate
| Others |
| TREC | Trading Right Entitlement Certificate
| Others |
| TREC | Trading Right Entitlement Certificate
| Others |
| TREC | Traffic Related Events and Closures
| Others |
| TREC | Traffic Related Events and Closures
| Others |
| TREC | Training Recreation Education Center
| Others |
| TREC | Training Recreation Education Center
| Others |
| TREC | Training Resources for the Environmental Community
| Others |
| TREC | Training Resources for the Environmental Community
| Others |
| TREC | Training Resourcing and Equipping Coaches
| Others |
| TREC | Trans-Mediterranean Renewable Energy Cooperation
| Others |
| TREC | Trans-Mediterranean Renewable Energy Cooperation
| Others |
| TREC | Transdisciplinary Research in Energetics and Cancer
| Others |
| TREC | Transdisciplinary Research on Energetics and Cancer
| Others |
| TREC | Transdisciplinary Research on Energetics and Cancer
| Others |
| TREC | Transplant Research and Education Center
| Others |
| TREC | Transplant Research and Education Center
| Others |
| TREC | Transportation Research and Education Center
| Others |
| TREC | Tropical Renewable Energy Center
| Others |
| TREC | Tropical Research and Education Center
| Others |
| TREC | Truth Respect Elegance and Commitment
| Others |
| TREC | Tutoring Reading and Empowering Children
| Others |