| Business | Phone |
| A-1 Tree Svc 1223 E Comstock Ave, Glendora 91741 | (626) 914-4440 |
| Best Tree Svc 311 S Vermont Ave, Glendora 91741 | (626) 963-8994 |
| California Arbor Care 417 W Foothill Blvd, Glendora 91741 | (626) 629-8004 |
| Discount Tree Svc 425 E Arrow Hwy, Glendora 91740 | (909) 592-8974 |
| David's Tree Svc 1609 Oak Tree Pl, Glendora 91741 | (626) 450-6763 |
| M & L Tree Svc 417 W Foothill Blvd, Glendora 91741 | (626) 755-1010 |
| William R Sos Po Box 32, Glendora 91740 | (626) 963-4846 |
| Trees Are Us Glendora 91740 | (626) 914-0060 |
| Tropical Tree Svc Inc 1430 S Grand Ave, Glendora 91740 | (626) 945-0210 |
| Western Arborists Inc 502 W Route 66, Glendora 91740 | (626) 963-1171 |