Below you will find a list of all THL units.
- Addiction Prevention Unit
- Ageing and Services
- Alcohol and Drug Analytics Unit
- Alcohol and Drugs Unit
- Antimicrobial Resistance Unit
- Assessment and Modelling Unit
- Bacteriology Unit
- Centre for Health and Social Economics
- Chemical Exposure Unit
- Child, Adolescent and Family Services Unit
- Child and Adolescent Health and Welfare Unit
- Child and Adolescent Mental Health Unit
- Chronic Disease Epidemiology and Prevention Unit
- Clinical Research Unit
- Communications and Customer Relations Unit
- Diabetes Prevention Unit
- Disease Risk Unit
- Environmental Epidemiology Unit
- Environmental Microbiology Unit
- Environmental Toxicology Unit
- Epidemiologic Surveillance and Response Unit
- Financial Administration Unit
- Forensic Genetic Paternity Testing Unit
- Forensic Medicine Unit
- Functional Capacity Unit
- Health and Social Services Development Unit
- Health and Welfare Inequalities Unit
- Health Behaviour and Health Promotion Unit
- Immune Response Unit
- Inflammatory Mechanisms Unit
- Information and Records Management Unit
- Information Management Unit
- Information Structures and Classifications Unit
- Information Systems Development and Support Unit
- Injury Prevention Unit
- International Affairs Unit
- Laboratory Services Unit
- Logistics Services Unit
- Mental Health Problems and Substance Abuse Services Unit
- Mental Health Promotion Unit
- Minimum Income Unit
- Mood, Depression and Suicidal Behaviour Unit
- Nutrition Unit
- Participation Promotion Unit
- Personnel Administration Unit
- Policy Monitoring and Impact Research Unit
- Population Health Unit
- Population Studies Unit
- Public Health Genomics Unit
- Publishing and Web Services Unit
- Services Data Resources Unit
- Service System Research Unit
- Sexual and Reproductive Health Unit
- Strategy and Development Unit
- Technologies and Practices Assessment Unit
- Unit for the Operational Management of Health and Welfare Information
- Vaccination Programme Unit
- Vaccine Research Unit
- Virology Unit
- Water and Health Unit
- Welfare and Health Data Resources Unit