Security Guards
- Unarmed – a visible security presence
- Marked patrol vehicles – a visual roving security presence
- Armed – highly trained
- Plain clothes
Construction Security
- Regular or irregular patrols, interior and/or exterior
- Controlled access
Commercial Buildings
- Perimeter Protection
Industrial Plants
- Perimeter Protection
Private Security
- General Security
- Controlled Access
Warehouses
- Regular or irregular patrols, interior and/or exterior