| Garden Island Tree Care | Garden Island Tree Care | — | (808) 822-9620 | Tree | Kapaʻa · Kauai County | — | — |
| Isaiah's Tree Service LLC | Isaiah's Tree Service LLC | info@isaiahstreeservice.com | (808) 631-6488 | Tree | Koloa · Kauai County | — | — |
| Island Roots Tree Trimming Kauai | Island Roots Tree Trimming Kauai | — | (808) 855-5593 | Tree | Kilauea · Kauai County | — | — |
| Jp's Tree Trimming Llc. | Jp's Tree Trimming Llc. | — | (808) 634-2704 | Tree | Kilauea · Kauai County | — | — |
| Kaapana Landscaping LLC | Kaapana Landscaping LLC | kaapanakruise@gmail.com | (808) 780-5309 | Tree | Kapaʻa · Kauai County | — | — |
| Kaleo's Tree Services Inc. | Kaleo's Tree Services Inc. | — | (808) 639-6761 | Tree | Kilauea · Kauai County | — | — |
| Kaua'i Tree Tribe | Kaua'i Tree Tribe | — | (808) 855-0367 | Tree | Koloa · Kauai County | — | — |
| Kauai Landscaping Professionals | Kauai Landscaping Professionals | — | (808) 278-3651 | Tree | Lihue · Kauai County | — | — |
| Kr Landscaping Kauai | Kr Landscaping Kauai | — | (808) 634-7530 | Tree | Kapaʻa · Kauai County | — | — |
| Malama Aina | Malama Aina | — | (808) 379-3307 | Tree | Kilauea · Kauai County | — | — |
| Rainbow Trees Landscaping Services | Rainbow Trees Landscaping Services | — | (808) 651-6667 | Tree | Kalaheo · Kauai County | — | — |
| Tal Kine Trees | Tal Kine Trees | info@talkinetrees.org | (917) 414-9927 | Tree | Kauai · Kauai County | — | — |
| Tree Patrol Landscaping | Tree Patrol Landscaping | — | (808) 634-7028 | Tree | Kapaʻa · Kauai County | — | — |
| Windward Tree Service LLC | Windward Tree Service LLC | jay@windwardtreeservice.com | (808) 634-2717 | Tree | Kapaʻa · Kauai County | — | — |