Credentials

International Society of Arboriculture (ISA), Member

Through research, technology, and education, the International Society of Arboriculture (ISA) promotes the professional practice of arboriculture and fosters a greater worldwide awareness of the benefits of trees.

Tree Care Industry Association (TCIA)

Established in 1938, the Tree Care Industry Association is a trade association of more than 2,000 commercial tree care firms and affiliated companies. TCIA develops safety and education programs, standards of tree care practice, and management information for arboriculture firms around the world.

Angie’s List Super Service Member

Gray Tree Service is an A-rated, screened and approved Angie's List Member since 2002 and have been a Super Service Award recipient on multiple occasions. We strive for excellence in our mission to build lifelong relationships from one generation to the next.