| Acronym | Definition |
|---|
| ATSS➣Association of Traumatic Stress Specialists |
| ATSS➣American Tree Service Supply (Greenville, RI) |
| ATSS➣Automatic Tuning and Sorting System (TV system) |
| ATSS➣Automatic Train Surveillance System |
| ATSS➣Airway Transportation System Specialist (FAA) |
| ATSS➣Ada Target Sensor Subsystem Study |
| ATSS➣Advanced Tactical Support System |
| ATSS➣Association of Track and Structure Suppliers |
| ATSS➣Automated Telephone Switching System (AT&T) |
| ATSS➣Automated Test Support System |
| ATSS➣Air Transportation Support System |