The Tree Care Industry Association
The Tree Care Industry Association is the professional association for tree care companies. Established in 1938 as the National Arborist Association, today's TCIA is a trade association of more than 2,300 commercial tree care firms and affiliated companies. The TCIA develops safety and education programs, standards of tree care practice, and management information for arboriculture firms around the world.
The "seal of approval" helps consumers find tree care companies that have been inspected and accredited based on: adherence to industry standards for quality and safety; maintenance of trained, professional staff; and dedication to ethics and quality in business practices.
Certified Treecare Safety Professional (CTSP)
Certified Treecare Safety Professional (CTSP): The industry's first safety certification program, credentialing individual arborists for safety practices and knowledge
Wisconsin Arborist Association
The mission of the Wisconsin Arborist Association is to improve the understanding of trees and the practice of arboriculture; and to promote high ethical and professional standards.
The WAA was founded in 1964, since that time it has grown into a large organization of commercial, municipal, utility and academic arborists.
The International Society of Arboriculture
The International Society of Arboriculture is a worldwide professional organization dedicated to fostering a greater appreciation for trees and to promoting research, technology, and the professional practice of arboriculture.
ISA Certified Arborist/Municipal Specialist
ISA Certified Arborist/Municipal Specialist credential holders are current ISA Certified Arborists who have chosen municipal arboriculture or urban forestry as a career path. They have obtained a minimum of three additional years of work experience managing the establishment and maintenance of urban trees. Experience requirements include communication skills, public relations, administration, risk management, arboricultural practices, and policy planning in a municipal setting.
ISA Certified Arborist
To earn an ISA Certified Arborist credential, you must be trained and knowledgeable in all aspects of arboriculture. ISA Certified Arborist have met all requirements to be eligible for the exam, which includes three or more years of full-time, eligible, practical work experience in arboriculture and/or a degree in the field of arboriculture, horticulture, landscape architecture, or forestry from a regionally accredited educational institute. This certification covers a large number of topics giving the candidates flexibility in the arboricultural profession. A code of ethics for ISA Certified Arborists strengthens the credibility and reliability of the work force. This certification is accredited by the American National Standards Institute, meeting and exceeding ISO 17024.
ISA Board Certified Master Arborist
The ISA Board Certified Master Arborist credential is the highest level of certification offered by ISA. This credential recognizes ISA Certified Arborists who have reached the pinnacle their profession. In addition to passing an extensive scenario-based exam, candidates must abide by a Code of Ethics, which ensures quality of work. Fewer than two percent of all ISA Certified Arborists currently hold this certification.