Tri-Valley, Inc. seeks to improve and maintain the highest possible quality of life for persons eligible for its services: to enable these persons to live in the most practically attainable comfort, dignity and independence; and to avoid or postpone the high personal or public cost of institutionalization.

The Dennis Conservation Land Trust acquires and preserves open space in Dennis and promotes sound conservation practices while working with others who share common interest and values in preserving land and the quality of life.