| Tree Concepts Hawaii LLC | Tree Concepts Hawaii LLC | treeconceptshawaii@gmail.com | (808) 782-8981 | Windows, patio, painters | 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 | — | — |
| Treehaus Build LLC | Treehaus Build LLC | nate@treehausbuild.com | (808) 758-4218 | GC, remodel, ADU | Honolulu · 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 J's INC | Tropical J's INC | — | (808) 848-0888 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Tropical Tree Services | Tropical Tree Services | — | (808) 254-9692 | Tree | Honolulu · Honolulu County | — | — |
| Tropical Wholesale | Tropical Wholesale | — | (808) 263-1252 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Tsp Roof Systems INC | Tsp Roof Systems INC | — | (949) 379-3221 | Other roofers | Haleiwa · Honolulu County | — | — |
| Tulba's Roofing INC | Tulba's Roofing INC | joni@tulbasroofing.com | (808) 888-0945 | Other roofers | Ewa Beach · Honolulu County | — | — |
| Uluniu Construction LLC | Uluniu Construction LLC | — | (205) 493-1920 | GC, remodel, ADU | Kailua · Honolulu County | — | — |
| Underground Construction Co INC | Underground Construction Co INC | — | (707) 746-8800 | GC, remodel, ADU | Kapolei · Honolulu County | — | — |
| United Construction Group Hawaii | United Construction Group Hawaii | — | (808) 450-6588 | GC, remodel, ADU | Kapolei · Honolulu County | — | — |
| United Steel LLC | United Steel LLC | sales@united-steel.com | — | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Unitek Insulation LLC | Unitek Insulation LLC | info@unitekhawaii.com | (808) 831-3076 | Windows, patio, painters | Pearl City · Honolulu County | — | — |
| Urgent Island Restoration | Urgent Island Restoration | — | (833) 547-7015 | Restoration | Honolulu · Honolulu County | — | — |
| Valley Well Drilling LLC | Valley Well Drilling LLC | sales@vwdhi.com | (808) 682-1767 | Other | Kailua · Honolulu County | — | — |
| Vertex Coatings INC | Vertex Coatings INC | estimating@vertexcoatings.com | — | Windows, patio, painters | Honolulu · Honolulu 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 | — | — |
| 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 | — | — |
| 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 | — | — |
| 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 Oahu Roofing INC | West Oahu Roofing INC | westoahuroofing@gmail.com | (808) 671-6886 | Other roofers | Waipahu · Honolulu County | — | — |
| West Steel Corporation | West Steel Corporation | — | (888) 335-4507 | Windows, patio, painters | Waianae · Honolulu County | — | — |
| Westside Refinishing LLC | Westside Refinishing LLC | westsiderefin@gmail.com | (250) 769-6691 | GC, remodel, ADU | Waianae · Honolulu County | — | — |
| Wilcox Construction LLC | Wilcox Construction LLC | bids@wilcoxconstruction.com | (425) 774-4185 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Wilkinson Shake Roofing INC | Wilkinson Shake Roofing INC | wsrhawaii@gmail.com | (808) 456-5006 | Other roofers | Pearl City · Honolulu County | — | — |
| Williams Plumbing LLC | Williams Plumbing LLC | — | (801) 367-5814 | Other | Kailua · Honolulu County | — | — |
| Window World Of Oahu | Window World Of Oahu | oahu@windowworld.com | (808) 670-1414 | Windows, patio, painters | Kailua · Honolulu County | — | — |
| Windows Hawaii | Windows Hawaii | hawaiiadmin@windows-hawaii.com | (808) 383-7233 | Windows, patio, painters | Kapolei · Honolulu County | — | — |
| Windowworld Inc. | Windowworld Inc. | — | (808) 834-1114 | Windows, patio, painters | Honolulu · Honolulu County | — | — |