ISA and Bartlett Tree Experts Continue OneTree Partnership

ATLANTA, Ga. — ISA is pleased to announce that Bartlett Tree Experts, the world’s leading scientific tree and shrub company, will continue to provide support through ISA’s OneTree Program as a distinguished partner.

The OneTree Program is ISA’s corporate sponsorship program designed to bring together companies dedicated to improving the community by promoting the professional practice of arboriculture. OneTree partners provide both financial and non-financial support that allows ISA to advance its mission to foster a greater worldwide awareness of the benefits of trees.

“We appreciate Bartlett Tree Experts’ commitment to investing in our industry by maintaining their OneTree sponsorship,” said Caitlyn Pollihan, the executive director and CEO of ISA. “With their support, ISA can continue to have a global impact by supporting arborists and tree workers who in turn help trees and the community.”

Established in 1907, Bartlett Tree Experts is the world’s leading scientific tree and shrub care company, providing state-of-the-art research and consulting services on best practices in arboriculture for private homeowners and commercial accounts in the United States, Canada, United Kingdom, Ireland. With its team of 12 PhDs, over 400 ISA certified arborists, and the largest shade tree lab in the world, The Bartlett Tree Research Laboratories in Charlotte, NC., Bartlett Tree Experts through its 149 operations in 39 states helps its customers to maintain healthy trees and shrubs.

“Bartlett and ISA have enjoyed a long relationship of working together to improve our industry through education, science and technology,” said Jim Ingram, president and COO of Bartlett Tree Experts. “We are pleased to provide support for this program and look forward to contributing our expertise in scientific tree care to advance the field of arboriculture.”

Through its OneTree relationships, ISA is able to provide arborists with programming, services, and research to better equip them to serve and educate the greater public, and advance the profession as well as the tree care industry worldwide. Additionally, the OneTree program helps to address critical environmental issues, impact decision and policy makers, spread valuable education and research while also staying on the cutting edge of industry trends, innovation and technology.

For more information about the ISA OneTree Program visit the ISA website or contact For information on Bartlett Tree Experts, please visit Bartlett’s website or call 1-877-BARTLETT (277-8538).

ABOUT ISA          

The International Society of Arboriculture (ISA), headquartered in Atlanta, Ga., U.S., is a nonprofit professional organization dedicated to promoting the importance of arboriculture and educating the public about the significance of trees and the value of their proper care. As part of ISA’s advancing the arboriculture profession, it offers the only internationally‐recognized certification program in the industry, including ISA Certified Arborist ®. For more information about ISA and Certified Arborists, visit


Founded in 1907, The F.A. Bartlett Tree Expert Company has been the world’s leading scientific tree and shrub care company for over a century. The company operates the largest shade tree lab in the world, The Bartlett Research Laboratories, in Charlotte, NC. With the latest research from its team of 11 PhDs in fields such as plant pathology, entomology, and horticulture, the company provides species-specific tree and shrub care plans for its customers to ensure optimum growing conditions and health for beautiful landscapes. From pruning, insect and disease management, fertilization and soil management, to comprehensive tree inventory and management plans, tree risk assessments, and tree removal, Bartlett’s arborists provide more than 188 services to its customers from its 149 operations in 39 U.S. states, Canada, Ireland and Great Britain. With corporate offices in Stamford, CT, the company’s current chairman, Robert A. Bartlett Jr., represents the third generation of Bartlett family leadership. To learn more, visit or call 1-877-BARTLETT (227-8538).

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