Service Dogs: help visually impaired people navigate, hearing dogs assist people who are deaf, Mobility dogs help wheelchair users and people with disabilities by opening doors and retrieving items etc.
Therapy dogs: Used in schools hospitals and care homes for people who don't feel confident or don't want to talk to another human being, calm people with PTSD, anxiety, and dementia.
Police dogs: Track suspects, search for missing people, detect drugs, weapons, explosives. Protect officers in dangerous situations.
Rescue Dogs: Search and rescue after Natural disasters. Locate remains in disaster zones.
Medical detection dogs: Can detect cancer from just smelling someone. Alert owners who are going to have a seizure, low blood sugar, or allergic reactions.
Military Dogs: Patrol zones and bark when they see anything to alert people. can detect explosives and can save lives because of this. support soldiers during missions.
Farming and Rural work: Herding dogs keep live stock save and controlled. Protect animals from predators. increase farm efficiency.