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. more... See more text