This membership category is open to commercial firms, individuals and organizations who desire to promote the aims and welfare of the ISA and make a substantial contribution per-annum.
Representation and voting privileges from one person are required from the company. They each receive one copy of the ISA Arborist News magagzine and the Journal of Arboriculture and 5 copies of the ISA Prairie Chapter "Prairie Arborist" newsletter. If you are interested in joining as a supporting member, please download the membership application form to view the rates.