| Holoholo Screens - Oahu's Window Screen New Sliding Screen Door Custom Screen Porch Enclosures Jalousie Windows | Holoholo Screens - Oahu's Window Screen New Sliding Screen Door Custom Screen Porch Enclosures Jalousie Windows | — | (808) 783-8764 | Windows, patio, painters | Waipahu · Honolulu County | — | — |
| Homeland Construction LLC | Homeland Construction LLC | — | (949) 679-5800 | GC, remodel, ADU | Ewa Beach · Honolulu County | — | — |
| Homesius | Homesius | info@homesius.com | — | HVAC | Honolulu · Honolulu County | — | — |
| Homeworks Construction INC | Homeworks Construction INC | interested@domainmarket.com | (888) 694-6735 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Homeworks Restoration Services Hawaii | Homeworks Restoration Services Hawaii | — | (808) 752-5720 | Restoration | Honolulu · Honolulu County | — | — |
| Honolulu Drywall And Painting Llc. | Honolulu Drywall And Painting Llc. | — | (808) 255-7154 | Windows, patio, painters | Wahiawa · Honolulu County | — | — |
| Honolulu Electrical Services | Honolulu Electrical Services | — | (808) 300-4344 | Electricians | Honolulu · Honolulu County | — | — |
| Honolulu Painting Co Ltd | Honolulu Painting Co Ltd | — | (808) 839-2777 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Honolulu Roofing Crew | Honolulu Roofing Crew | — | (808) 207-3818 | Other roofers | Honolulu · Honolulu County | — | — |
| Honolulu Roofing Experts | Honolulu Roofing Experts | — | (808) 515-5898 | Other roofers | Honolulu · Honolulu County | — | — |
| Honolulu Sign Co Ltd | Honolulu Sign Co Ltd | %20terry@honolulusign.com | (808) 847-4047 | Other | Honolulu · Honolulu County | — | — |
| Honowai Painting LLC | Honowai Painting LLC | info@ndiscovered.com | (808) 330-4083 | Windows, patio, painters | Waipahu · Honolulu County | — | — |
| Hua Construction INC | Hua Construction INC | — | (808) 232-4121 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Hunakai Pool Service LLC | Hunakai Pool Service LLC | info@hunakaipools.com | (808) 724-7244 | Pool | Honolulu · Honolulu County | — | — |
| Icc Commonwealth Corporation | Icc Commonwealth Corporation | marketing-icc@icc-commonwealth.com | (716) 634-3967 | Other | Honolulu · Honolulu County | — | — |
| Ig Steel LLC | Ig Steel LLC | info@ig-steel.com | (808) 883-9983 | Other | Kapolei · Honolulu County | — | — |
| Igloo AC LLC | Igloo AC LLC | arjuna@iglooac.com | — | HVAC | Kailua · Honolulu County | — | — |
| Impact Builders INC | Impact Builders INC | admin@impactbuilders.com | (250) 470-7284 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Impact Painting | Impact Painting | — | (808) 753-4221 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Ims Masonry INC | Ims Masonry INC | estimates@imsmasonry.com | (801) 796-8420 | Other | Honolulu · Honolulu County | — | — |
| In Line Flooring INC | In Line Flooring INC | bids@inlineflooring.com | — | Other | Honolulu · Honolulu County | — | — |
| In Line Flooring LLC | In Line Flooring LLC | bids@inlineflooring.com | — | Other | Honolulu · Honolulu County | — | — |
| Industrial Railways Company | Industrial Railways Company | — | (707) 361-5732 | Other | Honolulu · Honolulu County | — | — |
| Infinity Pools Hawaii LLC | Infinity Pools Hawaii LLC | — | (808) 779-0274 | Pool | Honolulu · Honolulu County | — | — |
| Inline Construction LLC | Inline Construction LLC | — | (808) 368-5628 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Innovative Air Conditioning INC | Innovative Air Conditioning INC | info@innovativeairconditioning.com | (561) 471-1070 | HVAC | Honolulu · Honolulu County | — | — |
| Innovative Turf Solutions LLC | Innovative Turf Solutions LLC | hello@rfuenzalida.com | — | Other | Ewa Beach · Honolulu County | — | — |
| Inspect Hawaii | Inspect Hawaii | oscar@inspecthawaii.com | (808) 728-5707 | Inspectors | Honolulu · Honolulu County | — | — |
| Inspector Homes LLC | Inspector Homes LLC | — | (808) 336-7200 | Inspectors | Honolulu · Honolulu County | — | — |
| Inspired Play LLC | Inspired Play LLC | — | (808) 845-7788 | GC, remodel, ADU | Pearl City · Honolulu County | — | — |
| Isamu Construction LLC | Isamu Construction LLC | timothy@isamuconstruction.com | (808) 690-4099 | GC, remodel, ADU | Mililani · Honolulu County | — | — |
| Island Breeze Remodelers LLC | Island Breeze Remodelers LLC | info@islandbreezeremodelers.com | (808) 698-5432 | GC, remodel, ADU | Honolulu · Honolulu County | — | — |
| Island Budget Painting Resources INC | Island Budget Painting Resources INC | islandbudgetpainting@gmail.com | (808) 255-8612 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Island Coating LLC | Island Coating LLC | — | (808) 520-5626 | Windows, patio, painters | Honolulu · Honolulu County | — | — |
| Island Comfort | Island Comfort | — | (808) 215-9091 | HVAC | Aiea · Honolulu County | — | — |
| Island Controls INC | Island Controls INC | ken@islandcontrols.com | — | HVAC | Honolulu · Honolulu County | — | — |
| Island Mechanical Corporation | Island Mechanical Corporation | — | (808) 682-5363 | GC, remodel, ADU | Kapolei · Honolulu County | — | — |
| Island Ohana Tree & Landscaping Services | Island Ohana Tree & Landscaping Services | — | (808) 465-4602 | Tree | Honolulu · Honolulu County | — | — |
| Island Pool & Spa Supply | Island Pool & Spa Supply | — | (808) 593-8448 | Pool | Honolulu · Honolulu County | — | — |
| Island Pool Builders | Island Pool Builders | — | (808) 989-2657 | Pool | Honolulu · Honolulu County | — | — |