Davey Tree Turns 40
June 4, 2015. From the NCEO: Davey Tree, one of the largest tree service companies in the U.S., became employee-owned 40 years ago. Since then, its employee count has grown from 2,800 to nearly 10,000, and its stock from 12 cents to $21, a compound annual growth rate close to 14%. A brief video provides a glimpse into this history.