| Leigh Diversified Construction INC | Leigh Diversified Construction INC | leighdiversified@yahoo.com | (808) 683-0083 | GC, remodel, ADU | Ewa Beach · Honolulu County | — | — |
| Lf Construction LLC | Lf Construction LLC | office@lfconstruction.com | — | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Lifeline Fire & Security A Pye-Barker Fire & Safety Company | Lifeline Fire & Security A Pye-Barker Fire & Safety Company | — | (808) 548-5433 | Alarm and generators | Kapolei · Kauai County | — | — |
| Lightfoot Plumbing LLC | Lightfoot Plumbing LLC | — | (877) 339-0018 | Other | Wailuku · Maui County | — | — |
| Lions Painting LLC | Lions Painting LLC | amkryukov@gmail.com | (808) 392-8949 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Living Structures Construction LLC | Living Structures Construction LLC | cleary1.construction@gmail.com | (808) 319-3485 | GC, remodel, ADU | Paia · Maui County | — | — |
| Locations | Locations | — | (808) 377-4642 | Property managers | Honolulu · Honolulu County | — | — |
| Locations Property Management | Locations Property Management | — | (808) 738-3100 | Property managers | Honolulu · Honolulu County | — | — |
| Loeffler Construction INC | Loeffler Construction INC | carolyn@loefflerconstuctioninc.com | (808) 935-4422 | GC, remodel, ADU | Hilo · Hawaii County | — | — |
| Lokahi Big Island Property Managment | Lokahi Big Island Property Managment | — | (808) 345-6001 | Property managers | Kailua-Kona · Hawaii County | — | — |
| Lokahi Painting | Lokahi Painting | — | (808) 212-4706 | Windows, patio, painters | Hanapepe · Kauai County | — | — |
| Lone Wolf Building INC | Lone Wolf Building INC | — | (770) 378-2518 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Lords Electric LLC | Lords Electric LLC | lordselectricinc@gmail.com | (360) 631-8652 | Electricians | Kalaheo · Kauai County | — | — |
| Lost Wave LLC | Lost Wave LLC | info@lost-wave.com | (715) 356-3900 | Other roofers | Keaau · Hawaii County | — | — |
| Lotus Construction LLC | Lotus Construction LLC | — | (707) 479-5017 | GC, remodel, ADU | Keaau · Hawaii County | — | — |
| Lotus Property Management | Lotus Property Management | kauaivacation@lotusvacationhomes.com | (808) 652-8929 | Property managers | Princeville · Kauai County | — | — |
| Love Thy Neighbor Kauai | Love Thy Neighbor Kauai | — | (808) 855-7596 | GC, remodel, ADU | Kapaʻa · Kauai County | — | — |
| Lowney Contracting Company INC | Lowney Contracting Company INC | — | (808) 885-8844 | GC, remodel, ADU | Kamuela · Hawaii County | — | — |
| Loyalty Builders LLC | Loyalty Builders LLC | info@loyaltybuilders.com | (603) 610-8800 | GC, remodel, ADU | Kaneohe · Honolulu County | — | — |
| Loyalty Plumbing LLC | Loyalty Plumbing LLC | — | (877) 339-0018 | Other | Waipahu · Honolulu County | — | — |
| Lpj Construction INC | Lpj Construction INC | — | (581) 995-1732 | GC, remodel, ADU | Kapolei · Honolulu County | — | — |
| Lr Marble And StoneProtected | Lr Marble And Stone | ciao@lrmarbleandstone.com | — | Tile roofers | Honolulu · Honolulu County | — | — |
| Lu Construction LLC | Lu Construction LLC | — | (877) 259-1106 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Luis Soltren Construction | Luis Soltren Construction | — | (808) 822-3905 | Windows, patio, painters | Kapaʻa · Kauai County | — | — |
| Lush Landscaping LLC | Lush Landscaping LLC | — | (949) 679-5800 | Windows, patio, painters | Kapaa · Kauai County | — | — |
| M & H Painting LLC | M & H Painting LLC | — | (817) 501-5342 | Windows, patio, painters | Lihue · Kauai County | — | — |
| M Tanaka Store INC | M Tanaka Store INC | — | (808) 245-4926 | Other roofers | Lihue · Kauai County | — | — |
| M Watanabe Electrical Contracting | M Watanabe Electrical Contracting | — | (808) 671-6751 | Electricians | Waipahu · Kalawao County | — | — |
| M's Masonry LLC | M's Masonry LLC | info@msmasonry.com | (727) 318-3421 | GC, remodel, ADU | Pearl City · Honolulu County | — | — |
| Mac Builders LLC | Mac Builders LLC | info@mac-builders.com | (786) 473-2932 | GC, remodel, ADU | Kailua · Honolulu County | — | — |
| Magic Brush Painting | Magic Brush Painting | jon@magicbrushpainting.com | (808) 938-2399 | Windows, patio, painters | Kailua-Kona · Hawaii County | — | — |
| Maikai Electrical LLC | Maikai Electrical LLC | info@maikaielectrical.com | (808) 303-4375 | Electricians | Other County | — | — |
| Mainz Builders INC | Mainz Builders INC | mainzbuilders@gmail.com | — | GC, remodel, ADU | Kmuela · Hawaii County | — | — |
| Makena It Group | Makena It Group | info@makenaitgroup.com | (808) 500-5850 | Alarm and generators | Kahului · Maui County | — | — |
| Malafu Contractors LLC | Malafu Contractors LLC | — | (808) 870-3577 | Tree | Kihei · Maui County | — | — |
| Malama Aina | Malama Aina | — | (808) 379-3307 | Tree | Kilauea · Kauai County | — | — |
| Malama Restoration | Malama Restoration | alana@malamarestoration.com | (808) 200-0985 | Restoration | Honolulu · Honolulu County | — | — |
| Maloney Construction INC | Maloney Construction INC | mattmaloneyconstruction@gmail.com | — | GC, remodel, ADU | Kailua · Honolulu County | — | — |
| Maluliku General Contracting LLC | Maluliku General Contracting LLC | bronson@maluliku.com | — | GC, remodel, ADU | Other County | — | — |
| Mana Home Inspections | Mana Home Inspections | — | (808) 419-8029 | Inspectors | Kihei · Maui County | — | — |