In October 2006, S.P. McClenahan Co. was officially recognized as an Accredited Company by the Tree Care Industry Association. TCIA Accreditation means that our company adheres to all the accreditation standards and has undergone a rigorous application process. TCIA verified this by conducting an on-site audit of S. P. McClenahan Company, Inc. facilities and work sites assuring the company operates under foremost business processes to ensure: consumer confidence, safety, and ethical business practices.
The company has been a member of the International Society of Arboriculture and the California Arborist Association since the inception of these organizations. In addition, S.P. McClenahan is a sustaining member of the Tree Care Industry Association (TCIA), Society of Commercial Arboriculture (SCA), California Landscape Contractors Association (CLCA), California Association of Pest Control Advisers (CAPCA), Pesticide Applicators Professional Association (PAPA), American Society of Safety Engineers (ASSE), Better Business Bureau (BBB), and National Federation of Independent Business (NFIB).