The Arbor Day Foundation is a nonprofit conservation and education organization that was established in 1972. The Foundation's goal is to encourage people to plant, care for, and celebrate trees, and it has over a million members, supporters, and valued partners.
Association for the Care and Maintenance of Trees (TCIA)
The Tree Care Industry Group, a trade group with over 2,000 commercial tree care businesses and allied businesses, was founded in 1938. For arboriculture businesses around the world, TCIA creates management information, standards of tree care practice, and safety and education initiatives.
