| Acronym | Definition |
|---|
| GDCS | Garage Door Company of Sikeston (Sikeston, MO) |
| GDCS | Georgia Department of Community Supervision |
| GDCS | GeoSpatial Data and Climate Services (US NOAA) |
| GDCS | Greater Dayton Chinese School (est. 1995; Dayton, OH) |
| GDCS | Georgetown District Christian School (now Halton Hills Christian School; Georgetown, Ontario, Canada) |
| GDCS | General Directorate of Civil Status (Albania) |
| GDCS | General Dynamics Communications Systems (Maryland and Massachusetts) |
| GDCS | Gloria Dei Christian School (Manila, Philippines) |
| GDCS | GOES Data Collection System |