Names or numbers of arboricultural and utility services companies by geographic scope of business.z
| Geographic scope services | Arboriculture | Utility |
|---|---|---|
| National | ||
| Bartlett Tree Expert Company | Asplundh Tree Expert Company | |
| Davey Tree Expert Company | Davey Tree Expert Company | |
| The Care of Trees | Townsend Tree Company | |
| Regional | ||
| Swingle Tree Company (Rocky Mountains) | Lewis Tree Services (East) | |
| Valley Crest Tree Company (California) | Wright Tree Services (Central) | |
| SavATree (Northeast) | McCoy Tree Surgery (Southwest) | |
| Almstead (Northeast) | Lucas Tree Experts (Northeast) | |
| Penn Line Service, Inc. (East) | ||
| Wolfe Tree Service (Great Lakes) | ||
| Local | ~26,000 companies | ~1000 companies |
↵zDefinitions of geographic scope levels are in the text.