| Acronym | Definition |
|---|
| GTSA➣Geneva Trading & Shipping Association |
| GTSA➣Graphics Technology in Space Applications |
| GTSA➣Geographic Text Search Appliance |
| GTSA➣Greater Tampa Swimming Association |
| GTSA➣Generic Transport Safety Assessment (UK) |
| GTSA➣Greater Tampa Showmen's Association |
| GTSA➣Geemarc Telecom SA |
| GTSA➣Gold Technical Support Analyst |
| GTSA➣Gas Transmission Service Agreement |
| GTSA➣Ground Transportation Staging Area |
| GTSA➣Grass Track Sidecar Association (UK) |
| GTSA➣Global Transportation Service Agreement |
| GTSA➣Griffith-University Taiwanese Student Association |
| GTSA➣Globe Turbocharger Specialties Australia |
| GTSA➣Golden Triangle Snowmobile Association (Ontario, Canada) |
| GTSA➣Grant Thornton South Africa |
| GTSA➣Global Transportation Safety Alliance (Sterling Heights, MI) |