Locations: San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA, San Diego, CA. DAVEY RESOURCE GROUP, a division of The Davey Tree Expert Company, is a leader in the natural resource, environmental, and forestry consulting industries throughout the United States.