| TECS | II Treasury Enforcement Communications System 
| Others |
| TECS | tal Energy Control System
| Others |
| TECS | Teacher Education and Curriculum Studies
| Others |
| TECS | Team for Early Childhood Solutions
| Others |
| TECS | Technical Enhancements and Customer Support
| Others |
| TECS | Technology Enabled Care Services
| Others |
| TECS | Technology Enterprise Commercialisation Scheme
| Others |
| TECS | The Enforcement Communications System
| Others |
| TECS | The English Centre Suppliers
| Others |
| TECS | Tierra Encantada Charter School
| Others |
| TECS | Todd Education Computer Services Company
| Others |
| TECS | Total Engine Control System
| Others |
| TECS | Toyota Easy Carry System
| Others |
| TECS | Toyota Excellent Conversion Series
| Others |
| TECS | Transactions on Embedded Computing Systems
| Others |
| TECS | Transportation Erosion Control Supervisor
| Others |
| TECS | Treasury Enforcement Communications System
| Others |
| TECS | Tuesday Evening Concert Series
| Others |