Locations: San Diego, CA, Chula Vista, CA, Chula Vista, CA, Chula Vista, CA, La Mesa, 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, Spring Valley, 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.