| Terrawatt | Terrawatt | terrawattblake@gmail.com | (808) 345-5447 | HVAC | Waimea · Hawaii County | — | — |
| The Screen Shop | The Screen Shop | — | (808) 329-7160 | Windows, patio, painters | Kailua-Kona · Hawaii County | — | — |
| The Window Guy | The Window Guy | — | (808) 333-1234 | Windows, patio, painters | Hawaii · Hawaii County | — | — |
| Throne Electric LLC | Throne Electric LLC | eben@eyebytes.com | — | Electricians | Keaau · Hawaii County | — | — |
| Tile Styles LLC | Tile Styles LLC | — | (808) 938-5050 | Other | Keaau · Hawaii County | — | — |
| Tinguely Development INC | Tinguely Development INC | info@tinguelydevelopment.com | — | GC, remodel, ADU | Kailua-Kona · Hawaii County | — | — |
| Tintmaster808 | Tintmaster808 | — | (808) 990-6669 | Windows, patio, painters | Kailua-Kona · Hawaii County | — | — |
| Top Notch Home Inspections LLC | Top Notch Home Inspections LLC | hawaiitopnotch@gmail.com | (808) 796-1077 | Inspectors | Waikoloa Village · Hawaii County | — | — |
| Torres Roofing LLC | Torres Roofing LLC | — | (808) 885-7222 | Other roofers | Waimea · Hawaii County | — | — |
| Total Development LLCProtected | Total Development LLC | total.dev.llc@gmail.com | (808) 300-8593 | Tile roofers | Kailua-Kona · Hawaii County | — | — |
| Trio Construction LLC | Trio Construction LLC | — | (888) 694-6735 | GC, remodel, ADU | Hilo · Hawaii County | — | — |
| Tropical Air Conditioning INC | Tropical Air Conditioning INC | — | (808) 883-8881 | HVAC | Kailua-Kona · Hawaii County | — | — |
| Tropical Tree Care | Tropical Tree Care | — | (808) 322-4722 | Tree | Hawaii · Hawaii County | — | — |
| Ultimate Electrical LLC | Ultimate Electrical LLC | — | (808) 896-1860 | Electricians | Kailua-Kona · Hawaii County | — | — |
| Ultimate Roofing INC | Ultimate Roofing INC | — | (808) 934-9505 | Other roofers | Hilo · Hawaii County | — | — |
| Vp Electric LLC | Vp Electric LLC | admin@vp-electric.com | (808) 498-4170 | Electricians | Kailua Kona · Hawaii County | — | — |
| Waikoloa Roofing Company | Waikoloa Roofing Company | — | (808) 300-5545 | Other roofers | Waikoloa Village · Hawaii County | — | — |
| Walter's Electric INC | Walter's Electric INC | — | (808) 935-1868 | Electricians | Hilo · Hawaii County | — | — |
| Waterworks Hilo | Waterworks Hilo | — | (808) 933-9111 | Pool | Hilo · Hawaii County | — | — |
| Watts On Electric LLC | Watts On Electric LLC | info@watts-on-electric.com | — | Electricians | Kailua Kona · Hawaii County | — | — |
| West Hawaii Excavating INC | West Hawaii Excavating INC | — | (808) 323-2240 | GC, remodel, ADU | Captain Cook · Hawaii County | — | — |
| West Hawaii Fencing LLC | West Hawaii Fencing LLC | westhawaiifencing@gmail.com | (808) 895-1115 | Windows, patio, painters | Kailua Kona · Hawaii County | — | — |
| West Hawaii Glass | West Hawaii Glass | — | (808) 325-2741 | Windows, patio, painters | Kailua-Kona · Hawaii County | — | — |
| West Side Painting Inc. | West Side Painting Inc. | — | (808) 325-5169 | Windows, patio, painters | Kailua-Kona · Hawaii County | — | — |
| Westside Glaziers INC | Westside Glaziers INC | kyle@westsideglaziersinc.com | (808) 329-7124 | Windows, patio, painters | Kona · Hawaii County | — | — |
| Will Kill Termites & Pests | Will Kill Termites & Pests | — | (808) 933-7378 | Pest, tile roofs | Hilo · Hawaii County | — | — |
| Woodbury Home Inspection Services | Woodbury Home Inspection Services | — | (808) 322-5174 | Inspectors | Kailua-Kona · Hawaii County | — | — |
| Yama's Roofing INC | Yama's Roofing INC | — | (808) 961-9248 | Other roofers | Hilo · Hawaii County | — | — |
| Yamada & Sons INC | Yamada & Sons INC | syamada@yamadasons.com | — | GC, remodel, ADU | Hilo · Hawaii County | — | — |
| Z's Electric LLC | Z's Electric LLC | — | (808) 217-1608 | Electricians | Hilo · Hawaii County | — | — |
| Zen Construction LLC | Zen Construction LLC | — | (888) 694-6735 | GC, remodel, ADU | Holualoa · Hawaii County | — | — |