| Amber Construction INC | Amber Construction INC | info@amberconstruction.com | — | GC, remodel, ADU | Kailua · Honolulu County | — | — |
| American Air Conditioning | American Air Conditioning | — | (808) 847-0851 | HVAC | Honolulu · Honolulu County | — | — |
| American Electric Co LLC | American Electric Co LLC | info@americanelectric.com | (808) 848-0751 | Electricians | Mililani · Honolulu County | — | — |
| Ampup Charging Station | Ampup Charging Station | — | (808) 469-6551 | EV chargers | Honolulu · Honolulu County | — | — |
| Anchor Systems Hawaii INC | Anchor Systems Hawaii INC | info@anchorsystemshawaii.com | (808) 330-9002 | GC, remodel, ADU | Kaneohe · Honolulu County | — | — |
| Andy Nguyen | Andy Nguyen | andy@andy-nguyen.com | — | Electricians | Honolulu · Honolulu County | — | — |
| Apb Buckner LLC | Apb Buckner LLC | — | (808) 682-2085 | GC, remodel, ADU | Kapolei · Honolulu County | — | — |
| Apb Construction Corp | Apb Construction Corp | lhoward@apbconstruction.com | (510) 827-7684 | Other roofers | Kapolei · Honolulu County | — | — |
| Apn Alarm Company: Big Island Maui And Oahu | Apn Alarm Company: Big Island Maui And Oahu | — | (808) 484-9411 | Alarm and generators | Aiea · Honolulu County | — | — |
| Aqua Engineers INC | Aqua Engineers INC | information@aquaengineers.com | (808) 332-7381 | Other | Kalaheo · Kauai County | — | — |
| Aquablue Pools INC | Aquablue Pools INC | info@aquabluepools.com | (864) 268-7508 | Pool | Kailua · Honolulu County | — | — |
| Aquapulco LLC | Aquapulco LLC | — | (808) 879-6666 | Pool | Kihei · Maui County | — | — |
| Aquatic Solutions Hawaii | Aquatic Solutions Hawaii | — | (808) 373-9715 | Pool | Honolulu · Honolulu County | — | — |
| Arborist Services LLC | Arborist Services LLC | arboristservices@aol.com | (626) 644-9391 | Tree | Hilo · Hawaii County | — | — |
| Arbormundi LLC | Arbormundi LLC | — | (808) 852-1857 | Tree | Honolulu · Honolulu County | — | — |
| Arcadia Painting INC | Arcadia Painting INC | arcadiapainting@msn.com | (808) 635-1349 | Windows, patio, painters | Koloa · Kauai County | — | — |
| Armour Construction INC | Armour Construction INC | karmour@armourconstruction.com | (317) 636-8600 | GC, remodel, ADU | Other County | — | — |
| Armstrong Builders LLC | Armstrong Builders LLC | info@armstrongbuilders.com | (808) 848-2484 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Art Water Damage Restoration | Art Water Damage Restoration | — | (808) 268-8170 | Restoration | Honolulu · Honolulu County | — | — |
| Artech Construction Group INC | Artech Construction Group INC | box@artechconstructiongroup.com | — | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Artistic Builders Corporation | Artistic Builders Corporation | eassistant@artistic-builders.com | (208) 970-4002 | GC, remodel, ADU | Koloa · Kauai County | — | — |
| Ash The Home Inspector | Ash The Home Inspector | ashleyhardinghi@gmail.com | (808) 348-9371 | Inspectors | Hilo · Hawaii County | — | — |
| Asian Glass LLC | Asian Glass LLC | enquiries@asianglass.com | — | Windows, patio, painters | Kahului · Maui County | — | — |
| Asmhi INC (a Sound Mind Home Inspection) | Asmhi INC (a Sound Mind Home Inspection) | — | (808) 879-4166 | Inspectors | Kihei · Maui County | — | — |
| Associa Hawaii | Associa Hawaii | info@associahawaii.com | (808) 836-0911 | Property managers | Honolulu · Honolulu County | — | — |
| Associated Sheetmetal INC | Associated Sheetmetal INC | info@associatedsheetmetal.com | (250) 652-6628 | HVAC | Waipahu · Honolulu County | — | — |
| At Home Hawaii Real Estate Sales & Property Management | At Home Hawaii Real Estate Sales & Property Management | — | (808) 954-6435 | Property managers | Honolulu · Honolulu County | — | — |
| Atlas Construction Inc. | Atlas Construction Inc. | — | (808) 951-9500 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Atlas Trenchless LLC | Atlas Trenchless LLC | — | (320) 685-7578 | Other | Other County | — | — |
| Ayko Group LLC | Ayko Group LLC | ayko@aykogroup.com | — | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| B & L Construction LLC | B & L Construction LLC | — | (918) 834-8020 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| B F Tile INC | B F Tile INC | casey@bftile.com | (812) 327-5003 | Other | Honolulu · Honolulu County | — | — |
| Backen Electric LLC | Backen Electric LLC | backenelectric@gmail.com | (808) 854-3921 | Electricians | Kailua Kona · Hawaii County | — | — |
| Backyard Monkey LLC | Backyard Monkey LLC | — | (808) 315-7460 | Tree | Mountain View · Kalawao County | — | — |
| Baker's Painting LLC | Baker's Painting LLC | — | (906) 484-3280 | Windows, patio, painters | Waipahu · Honolulu County | — | — |
| Barker Kappelle Construction LLC | Barker Kappelle Construction LLC | contact@barkerkappelle.com | (808) 664-9212 | GC, remodel, ADU | Kailua · Honolulu County | — | — |
| Barkman Inspection Services | Barkman Inspection Services | — | (808) 357-8305 | Inspectors | Kihei · Maui County | — | — |
| Barrett Construction Services LLC | Barrett Construction Services LLC | christian@barrettconstructionservices.com | (808) 216-1701 | GC, remodel, ADU | Keaau · Hawaii County | — | — |
| Barto Construction Company INC | Barto Construction Company INC | bradbarto@yahoo.com | — | GC, remodel, ADU | Kapaa · Kauai County | — | — |
| Bei Hawaii | Bei Hawaii | — | (808) 241-7333 | Pest, tile roofs | Lihue · Kauai County | — | — |