| Rank | Abbreviation | Meaning |
|---|
| ***** | GRTS | Generalized Random Tessellation Sampling
| |
| ***** | GRTS | Generalized Random Tessellation Stratified
| |
| **** | GRTS | Gambia Radio Television Services
| |
| **** | GRTS | Ground Receive Terminals
| |
| **** | GRTS | Global Relocation Trends Survey
| |
| *** | GRTS | GRO Remote Terminal System
| |
| *** | GRTS | Grand Rapids Theological Seminary
| |
| ** | GRTS | Glade Run Trail System
| |
| ** | GRTS | Gross Receipts Tax Surcharge
| |
| ** | GRTS | Grand River Technical School
| |
| ** | GRTS | Generic Reconfigurable Training System
| |
| * | GRTS | group-randomized trials
| |
| * | GRTS | Gainesville Regional Transit System
| |
| * | GRTS | Goddard Real-Time System
| |
| * | GRTS | Global Regulatory Teams
| |
| * | GRTS | giant retinal tears
| |
| * | GRTS | General Remote Terminal System
| |
| * | GRTS | Geomagnetic Reversal Time Scale
| |
| * | GRTS | GART SPORTS CO.
| |
| * | GRTS | Grants Reporting Tracking System
| |
| * | GRTS | Gaseous Radwaste Treatment System
| |
| * | GRTS | Guaranty Repair Tracking System
| |
| * | GRTS | Global Roaming Test Services
| |
| * | GRTS | Generalised Random Tessellation Stratified
| |
| * | GRTS | Galaxy Rangers Theme Song
| |