Western Chapter ISA Employee Directory
Environmental ServicesCalifornia, United States11-50 Employees
The Western Chapter ISA is a nonprofit organization focused on arboriculture within the environmental services sector. Based in Porterville, California, the chapter serves a regional community of professionals and enthusiasts across Arizona, California, Hawaii, and Nevada, supporting the advancement of arboricultural practice and public education about trees' shade and ornamental value. The group promotes adherence to the ISA Code of Ethics and facilitates scientific education, dissemination of research, and the exchange of information among practitioners through meetings, regional conferences, and continuing education opportunities for certified arborists and related professionals. With a membership representing thousands of individuals, the organization aims to connect arborists with resources and technologies that enhance the profession while fostering public interest in tree planting, preservation, and responsible care. Its activities include coordinating events, providing venues for advertising and demonstrations relevant to arboriculture, and maintaining engagement with progressive developments in the field. The chapter was established in 1934 and operates within the broader environmental services landscape as a regional chapter of the International Society of Arboriculture.