It covers most of the administrative regions of KSA equally with particular emphasis placed on cities. Proportional stratified random sampling has been utilized in taking samples of establishments to warrant choosing the more important establishments in this framework. Additionally, The Establishments Census 2010 was adopted as it contains all basic data required for taking samples.
Small and Medium-Sized Establishments Survey covers establishments of the private sector, public sector, and non-profit sector.
The administrative regions are divided into 13 regions as follows:

1. Riyadh
2. Makkah
3. Madinah
4. Al-Qassim
5. Eastern Region
6. Asir
7. Tabuk
8. Hail
9. Northern Borders
10. Jazan
11. Najran
12. Al-Bahah
13. Al-Jouf