STSI is authorized by the Ministry of Labor and the Ministry of the Interior to perform the following tests and professional activities:

• inspection and testing of work equipment
• inspection and testing of boiler rooms
• testing physical and chemical factors of work environment
• testing of fixed fire protection
• testing of emergency (anti-panic) lighting, emergency power-off push buttons, emergency doors, fire dampers, sprinkler stations, smoke extraction systems.

STSI is authorized to perform professional occupational health and safety activities, as follows:

• expert OHS tasks at the employer
• risk assessment preparation
• occupational health and safety training (training employees for safe work, training employers, and occupational health and safety officers and representatives)
• performance of tasks of coordinators I and II.

STSI performs the following activities, as well:

• preparation of the fire hazard assessment
• preparation of the fire protection plan
• preparation of the evacuation and rescue plan.