Maine State Nurses Association
- Represents 1,600 nurses. Provides voice and leadership for state licensed, registered nurses.
- http://www.mainenurse.org/

Maine Optometric Association
- Offers a central resource for locating an eye doctor or searching the web for information on visual disorders, eye disease, and available treatment options.
- http://www.maineeyedoctors.com/

Maine Medical Association
- Promotes the health of citizens, protects the quality of medicine and supports the physicians' function as advocates for their patients.
- http://www.mainemed.com/

Maine Hospital Association
- Provides current information about healthcare and hospitals in Maine.
- http://www.themha.org/

Maine Health Care Association
- Provides services for the older and disabled population in the state. Features information for adult day, assisted living, home health care, nursing facilities, and rehabilitation services.
- http://www.mehca.org/

Maine Chiropractic Association
- Serves members, citizens and doctors by providing information about the chiropractic profession.
- http://www.mainechiro.com/