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.
New Hampshire Timberland Owners Association (NHTOA)
The NHTOA is a non-profit statewide coalition of landowners, forest industry professionals, government officials, and supporters who work together to promote better forest management, conserve our working forests, and ensure a strong forest products industry. NHTOA strives to conserve New Hampshire's working forests for future generations through public and industry education, legislative advocacy, outreach, and cooperation within the forest community.
The International Society of Arboriculture (ISA)
The International Society of Arboriculture, through research, technology, and education, promotes the professional practice of arboriculture and fosters a greater worldwide awareness of the benefits of trees.
NHAA Certified Arborist #407
The New Hampshire Arborists Association (NHAA) is a non-profit organization of professional NH tree care experts working together to improve tree care practices in New Hampshire. NHAA Certified Arborists are up-to-date on the latest in arboricultural technology and are knowledgeable of acceptable arborist practices. They must pass a comprehensive exam and then maintain their certification through continuing education.