| Valley Isle Electric LLC | Valley Isle Electric LLC | service@valleyisleelectric.com | (808) 242-1974 | Electricians | Kahului · Maui County | — | — |
| Valley Isle Pumping INC | Valley Isle Pumping INC | customerservice@valleyislepumping.com | (808) 878-8807 | GC, remodel, ADU | Pukalani · Maui County | — | — |
| Valley Isle Screen | Valley Isle Screen | — | (808) 877-3054 | Windows, patio, painters | Kahului · Maui County | — | — |
| Valley Isle Windows & Doors | Valley Isle Windows & Doors | — | (808) 796-5984 | Windows, patio, painters | Kahului · Maui County | — | — |
| Valley Well Drilling LLC | Valley Well Drilling LLC | sales@vwdhi.com | (808) 682-1767 | Other | Kailua · Honolulu County | — | — |
| Vares Contracting INC | Vares Contracting INC | eavares@gmail.com | (808) 757-0687 | GC, remodel, ADU | Wailuku · Maui County | — | — |
| Ventura Construction Corp | Ventura Construction Corp | info@ventura-architecture.com | (808) 876-0341 | GC, remodel, ADU | Makawao · Maui County | — | — |
| Vertex Coatings INC | Vertex Coatings INC | estimating@vertexcoatings.com | — | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Volk Pacific Builders INC | Volk Pacific Builders INC | — | (808) 879-8866 | Restoration | Lahaina · Maui County | — | — |
| Volts And Amps Electric LLC | Volts And Amps Electric LLC | sol@voltsandampselectric.net | — | Electricians | Wailuku · Maui County | — | — |
| Vox Electric LLC | Vox Electric LLC | info@voxelectric.com | — | Electricians | Mililani · Honolulu County | — | — |
| Voyager Roofing | Voyager Roofing | — | (808) 751-1995 | Other roofers | Honolulu · Honolulu County | — | — |
| Vp Electric LLC | Vp Electric LLC | admin@vp-electric.com | (808) 498-4170 | Electricians | Kailua Kona · Hawaii County | — | — |
| W Contracting INC | W Contracting INC | anapbm@gmail.com | — | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| W J Hale Construction INC | W J Hale Construction INC | — | (808) 668-7896 | GC, remodel, ADU | Waianae · Honolulu County | — | — |
| W L Construction INC | W L Construction INC | office@wlconstruction.com | (250) 787-7707 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Wahine Builders INC | Wahine Builders INC | clarice@wahinebuilders.com | (808) 236-0883 | Electricians | Kaneohe · Honolulu 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 | — | — |
| Waltz Engineering INC | Waltz Engineering INC | info@waltzengineering.com | (808) 842-7955 | HVAC | Honolulu · Honolulu County | — | — |
| Warwick Construction INC | Warwick Construction INC | — | (832) 448-7000 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Wasa Electrical Services INC | Wasa Electrical Services INC | — | (808) 245-2941 | Electricians | Lihue · Kauai County | — | — |
| Water Controls INC | Water Controls INC | contact@watercontrols.com | (808) 876-0132 | Electricians | Kula · Maui 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 | — | — |
| Wave Security Of Kauai | Wave Security Of Kauai | — | (808) 639-4446 | Alarm and generators | Kauai · Kauai County | — | — |
| Waves Aquatics | Waves Aquatics | — | (808) 460-3474 | Pool | Kauai · Kauai County | — | — |
| We Paint | We Paint | — | (808) 866-7863 | Windows, patio, painters | Kihei · Maui County | — | — |
| Webb Construction LLC | Webb Construction LLC | — | (888) 694-6735 | GC, remodel, ADU | Kailua · Honolulu County | — | — |
| Wei Construction | Wei Construction | — | (808) 989-8666 | GC, remodel, ADU | Honolulu · Honolulu 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 Maui Custom Painting LLC | West Maui Custom Painting LLC | westmauicustompainting@gmail.com | (808) 500-1375 | Windows, patio, painters | Lahaina · Maui County | — | — |
| West Maui Land Company INC | West Maui Land Company INC | info@westmauiland.com | (808) 276-6881 | GC, remodel, ADU | Kahului · Maui County | — | — |
| West Maui Painting | West Maui Painting | — | (808) 661-4174 | Windows, patio, painters | Lahaina · Maui County | — | — |
| West Oahu Roofing INC | West Oahu Roofing INC | westoahuroofing@gmail.com | (808) 671-6886 | Other roofers | Waipahu · Honolulu County | — | — |
| West Side Painting Inc. | West Side Painting Inc. | — | (808) 325-5169 | Windows, patio, painters | Kailua-Kona · Hawaii County | — | — |
| West Steel Corporation | West Steel Corporation | — | (888) 335-4507 | Windows, patio, painters | Waianae · Honolulu County | — | — |
| Westside Glass | Westside Glass | — | (808) 667-1927 | Windows, patio, painters | Lahaina · Maui County | — | — |