Founded in 1880 and employee owned since 1979. Strong brands. Engaged employees. Exceptional service. With operations throughout North America, our branches have expanded, but our commitment to scientifically-based horticultural and environmental services and outstanding client service has never wavered. Davey Tree is Ohio’s largest employee-owned company and the seventeenth-largest in the nation. Adapted from a speech to the Ohio Center for Employee Ownership in 2014, The Davey Tree Expert Company Chairman, President and CEO Karl Warnke talks about the five hallmarks of a successful ESOP strategy. Corporate Vision Unmatched excellence in client experience, employee engagement, financial strength and value delivered. Mission Statement Always deliver a superior tree, landscape and environmental service experience to every residential, utility, commercial and government client.