Arbor Day Foundation

Founded in 1972, the Arbor Day Foundation is a nonprofit conservation and education organization. With over one million members, supporters, and valued partners, the Foundation's mission is to inspire people to plant, nurture, and celebrate trees.

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.

BBB maintains Business Reviews on more than 4.5 million businesses and rates them based on complaint histories, responsiveness to customers, licensing, legal and government action, and other factors. Only Accredited Businesses that meet the BBB Code of Business Practices are permitted to display the BBB logo in their marketing and place of business.