| ETACS | Elective Training and Consultancy Services 
| Others |
| ETACS | Electro Thermally Assisted Capsular Shift
| Others |
| ETACS | Electronic Time Alarm Control System
| Others |
| ETACS | Electronic Time and Alarm Control System
| Others |
| ETACS | Electronic Time and Control System
| Others |
| ETACS | Electronic Timing Alarm Control System
| Others |
| ETACS | Electronic Total Automobile Control System
| Others |
| ETACS | Extended TACS
| Others |
| ETACS | Extended Total Access Communication System
| Others |
| ETACS | Extended Total Access Communications System
| Others |