| Arbormundi LLC | Arbormundi LLC | — | (808) 852-1857 | Tree | Honolulu · Honolulu County | — | — |
| Glad's Landscaping & Tree Trimming DBA The Tree People | Glad's Landscaping & Tree Trimming DBA The Tree People | — | (808) 836-9515 | Tree | Honolulu · Honolulu County | — | — |
| Hawaii Tree Co. | Hawaii Tree Co. | hawaiitreecompany@gmail.com | (808) 462-2749 | Tree | Haleiwa · Honolulu County | — | — |
| Hawaii Tree Service | Hawaii Tree Service | — | (808) 201-6209 | Tree | Honolulu · Honolulu County | — | — |
| Hawai’i Rooted Tree Care LLC | Hawai’i Rooted Tree Care LLC | — | (808) 829-6940 | Tree | Honolulu · Honolulu County | — | — |
| Hiborn | Hiborn | — | (808) 936-9136 | Tree | Honolulu · Honolulu County | — | — |
| Island Ohana Tree & Landscaping Services | Island Ohana Tree & Landscaping Services | — | (808) 465-4602 | Tree | Honolulu · Honolulu County | — | — |
| Kendall Landscape Services | Kendall Landscape Services | — | (808) 674-7608 | Tree | Honolulu · Honolulu County | — | — |
| Mana Home Services | Mana Home Services | — | (808) 213-0249 | Tree | Kailua · Honolulu County | — | — |
| Nilo Landscape Co | Nilo Landscape Co | — | (808) 848-5124 | Tree | Honolulu · Honolulu County | — | — |
| Ohana Tree Service | Ohana Tree Service | ohanaclimbs@gmail.com | (970) 355-8359 | Tree | Honolulu · Honolulu County | — | — |
| The Tree People Hawaii | The Tree People Hawaii | — | (808) 737-1284 | Tree | Honolulu · Honolulu County | — | — |
| Tree Masters | Tree Masters | contact@hawaiitreemasters.com | (808) 783-1844 | Tree | Honolulu · Honolulu County | — | — |
| Tree.bulls LLC -Tree Services | Tree.bulls LLC -Tree Services | — | (808) 747-5405 | Tree | Waianae · Honolulu County | — | — |
| Treepro Hawaii INC | Treepro Hawaii INC | robertson@treeprohawaii.com | — | Tree | Honolulu · Honolulu County | — | — |
| Trees Of Hawaii Inc. | Trees Of Hawaii Inc. | treesofhawaiiinc@hawaii.rr.com | (808) 842-0474 | Tree | Kapolei · Honolulu County | — | — |
| Trees Of The Tropics | Trees Of The Tropics | — | (808) 988-3761 | Tree | Honolulu · Honolulu County | — | — |
| Treescape Hawaii LLC | Treescape Hawaii LLC | — | (808) 330-4414 | Tree | Ewa Beach · Honolulu County | — | — |
| Tropical Tree Services | Tropical Tree Services | — | (808) 254-9692 | Tree | Honolulu · Honolulu County | — | — |