- Emergency Medical Technicians (EMT)
- Paramedics
- Law Enforcement
- Firefighters
Other first responder/helping professionals that provide immediate services in the field or on site of a hospital or other agency in times of crisis and trauma including:
- 911 Dispatchers
- Hospital Trauma and Emergency Department staff
- Military Personnel
- Crisis Support Teams in Schools
- Disaster Response Teams
- Child Welfare Investigators
- Crisis Hotline Workers